21528940625920

Names of 21528940625920

• Cardinal: 21528940625920 can be written as Twenty-one trillion, five hundred twenty-eight billion, nine hundred forty million, six hundred twenty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.152894062592 × 10¹³

Factors of 21528940625920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 1030

Divisors of 21528940625920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 37 40 52 56 64 65 70 74 80 89 91 104 112 128 130 140 148 160 178 182 185 208 224 256 259 260 280 296 320 356 364 370 416 445 448 455 481 512 518 520 560 592 623 640 712 728 740 832 877 890 896 910 962 1024 1036 1040 1120 1157 1184 1246 1280 1295 1424 1456 1480 1664 1754 1780 1792 1820 1924 2048 2072 2080 2240 2314 2368 2405 2492 2560 2590 2848 2912 2960 3115 3293 3328 3367 3508 3560 3584 3640 3848 4096 4144 4160 4385 4480 4628 4736 4810 4984 5120 5180 5696 5785 5824 5920 6139 6230 6586 6656 6734 7016 7120 7168 7280 7696 8099 8192 8288 8320 8770 8960 9256 9472 9620 9968 10240 10360 11392 11401 11570 11648 11840 12278 12460 13172 13312 13468 14032 14240 14336 14560 15392 16198 16384 16465 16576 16640 16835 17540 17920 18512 18944 19240 19936 20480 20720 22784 22802 23051 23140 23296 23680 24556 24920 26344 26624 26936 28064 28480 28672 29120 30695 30784 32396 32449 32930 33152 33280 33670 35080 35840 37024 37888 38480 39872 40495 40960 41440 42809 45568 45604 46102 46280 46592 47360 49112 49840 52688 53248 53872 56128 56960 57005 57344 58240 61390 61568 64792 64898 65860 66304 66560 67340 70160 71680 74048 75776 76960 78053 79744 79807 80990 81920 82880 85618 91136 91208 92204 92560 93184 94720 98224 99680 105376 106496 107744 112256 113920 114010 114688 115255 116480 122780 123136 129584 129796 131720 132608 133120 134680 140320 143360 148096 151552 153920 156106 159488 159614 161980 162245 165760 171236 182272 182416 184408 185120 186368 189440 196448 199360 210752 212992 214045 215488 224512 227143 227840 228020 230510 232960 245560 246272 259168 259592 263440 265216 266240 269360 280640 286720 296192 299663 303104 307840 312212 318976 319228 323960 324490 331520 342472 364544 364832 368816 370240 372736 378880 390265 392896 398720 399035 421504 421837 428090 430976 449024 454286 455680 456040 461020 465920 491120 492544 518336 519184 526880 530432 532480 538720 546371 561280 573440 592384 599326 606208 615680 624424 637952 638456 647920 648980 663040 684944 729088 729664 737632 740480 745472 757760 780530 785792 797440 798070 843008 843674 856180 861952 898048 908572 911360 912080 922040 931840 982240 985088 1014689 1036672 1038368 1053760 1060864 1064960 1077440 1092742 1122560 1135715 1184768 1198652 1231360 1248848 1275904 1276912 1295840 1297960 1326080 1369888 1458176 1459328 1475264 1480960 1490944 1498315 1515520 1561060 1571584 1594880 1596140 1686016 1687348 1712360 1723904 1796096 1817144 1822720 1824160 1844080 1863680 1964480 1970176 2029378 2073344 2076736 2107520 2109185 2121728 2154880 2185484 2245120 2271430 2369536 2397304 2462720 2497696 2551808 2553824 2591680 2595920 2652160 2731855 2739776 2887961 2918656 2950528 2952859 2961920 2996630 3031040 3122120 3143168 3189760 3192280 3372032 3374696 3424720 3447808 3592192 3634288 3645440 3648320 3688160 3727360 3928960 3940352 4058756 4146688 4153472 4215040 4218370 4243456 4309760 4370968 4490240 4542860 4739072 4794608 4925440 4995392 5073445 5103616 5107648 5183360 5191840 5304320 5463710 5479552 5775922 5837312 5901056 5905718 5923840 5993260 6244240 6286336 6379520 6384560 6744064 6749392 6849440 6895616 7102823 7184384 7268576 7290880 7296640 7376320 7454720 7857920 7880704 8117512 8293376 8306944 8430080 8436740 8619520 8741936 8980480 9085720 9478144 9589216 9850880 9990784 10146890 10207232 10215296 10366720 10383680 10608640 10927420 10959104 11551844 11674624 11802112 11811436 11847680 11986520 12488480 12572672 12759040 12769120 13488128 13498784 13698880 13791232 14205646 14368768 14439805 14537152 14593280 14752640 14764295 15715840 16235024 16586752 16613888 16860160 16873480 17239040 17483872 17960960 18171440 18956288 19178432 19701760 19981568 20215727 20293780 20430592 20733440 20767360 21217280 21854840 21918208 23103688 23349248 23604224 23622872 23695360 23973040 24976960 25145344 25518080 25538240 26976256 26997568 27397760 27582464 28411292 28879610 29074304 29186560 29505280 29528590 31431680 32470048 33173504 33227776 33720320 33746960 34478080 34967744 35514115 35921920 36342880 37543493 38356864 39403520 39963136 40431454 40587560 40861184 41466880 41534720 43709680 43836416 46207376 46698496 47208448 47245744 47390720 47946080 49953920 50290688 51036160 51076480 53952512 53995136 54795520 55164928 56822584 57759220 58148608 58373120 59010560 59057180 62863360 64940096 66347008 66455552 67440640 67493920 68956160 69935488 71028230 71843840 72685760 75086986 76713728 79926272 80862908 81175120 81722368 82933760 83069440 87419360 87672832 92414752 93396992 94416896 94491488 94781440 95892160 99907840 100581376 101078635 102152960 107990272 109591040 113645168 115518440 116297216 116746240 118021120 118114360 125726720 129880192 132694016 132911104 134881280 134987840 137912320 139870976 142056460 145371520 150173972 153427456 159852544 161725816 162350240 163444736 165867520 166138880 174838720 175345664 184829504 186793984 187717465 188833792 188982976 191784320 199815680 202157270 204305920 215980544 219182080 227290336 231036880 232594432 233492480 236042240 236228720 251453440 259760384 262804451 265822208 269762560 269975680 275824640 279741952 284112920 290743040 300347944 306854912 319705088 323451632 324700480 326889472 331735040 332277760 349677440 350691328 369659008 375434930 377667584 377965952 383568640 399631360 404314540 408611840 431961088 438364160 454580672 462073760 465188864 466984960 472084480 472457440 502906880 519520768 525608902 531644416 539951360 559483904 568225840 581486080 600695888 613709824 639410176 646903264 649400960 653778944 663470080 664555520 699354880 701382656 739318016 750869860 755931904 767137280 799262720 808629080 817223680 863922176 876728320 909161344 924147520 930377728 933969920 944168960 944914880 1039041536 1051217804 1079902720 1118967808 1136451680 1162972160 1201391776 1227419648 1278820352 1293806528 1298801920 1307557888 1314022255 1329111040 1398709760 1478636032 1501739720 1511863808 1534274560 1598525440 1617258160 1634447360 1727844352 1753456640 1818322688 1848295040 1860755456 1888337920 1889829760 2078083072 2102435608 2159805440 2237935616 2272903360 2325944320 2402783552 2454839296 2587613056 2597603840 2628044510 2658222080 2797419520 2957272064 3003479440 3023727616 3068549120 3197050880 3234516320 3268894720 3455688704 3506913280 3636645376 3696590080 3721510912 3779659520 4156166144 4204871216 4319610880 4475871232 4545806720 4651888640 4805567104 4909678592 5175226112 5195207680 5256089020 5594839040 5914544128 6006958880 6047455232 6137098240 6394101760 6469032640 6537789440 6911377408 7273290752 7393180160 7559319040 8312332288 8409742432 8639221760 8951742464 9091613440 9303777280 9611134208 10350452224 10390415360 10512178040 11189678080 11829088256 12013917760 12094910464 12274196480 12938065280 14546581504 14786360320 15118638080 16624664576 16819484864 17278443520 18183226880 18607554560 19222268416 20700904448 20780830720 21024356080 22379356160 23658176512 24027835520 24189820928 24548392960 25876130560 29093163008 29572720640 30237276160 33638969728 34556887040 36366453760 38444536832 41401808896 41561661440 42048712160 44758712320 47316353024 48055671040 48379641856 51752261120 58186326016 59145441280 60474552320 67277939456 72732907520 76889073664 82803617792 83123322880 84097424320 96111342080 103504522240 116372652032 118290882560 120949104640 134555878912 145465815040 153778147328 165607235584 168194848640 192222684160 207009044480 236581765120 241898209280 269111757824 290931630080 307556294656 331214471168 336389697280 384445368320 414018088960 538223515648 581863260160 615112589312 672779394560 768890736640 828036177920 1076447031296 1345558789120 1537781473280 1656072355840 2152894062592 2691117578240 3075562946560 4305788125184 5382235156480 10764470312960 21528940625920
• Sum of all divisors σ(n): 66119045610240
• Sum of proper divisors (its aliquot sum) s(n): 44590104984320
• 21528940625920 is an abundant number, because the sum of its proper divisors (44590104984320) is greater than itself. Its abundance is 23061164358400

Bases of 21528940625920

• Binary: 100111001010010011000110110111100000000000000₂
• Hexadecimal: 0x139498DBC000
• Base-36: 7MQ9BDYPS

Squares and roots of 21528940625920

• 21528940625920 squared (21528940625920²) is 463495284474388641375846400
• 21528940625920 cubed (21528940625920³) is 9978562459843013055071453004785778688000
• The square root of 21528940625920 is 4639928.9462145861
• The cube root of 21528940625920 is 27818.9597842681

Scales and comparisons

• 21,528,940,625,920 seconds is equal to 684,553 years, 37 weeks, 2 days, 12 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,528,940,625,920 would take you about one million, seven hundred eleven thousand, three hundred eighty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21528940625920 cubic inches would be around 2318.2 feet tall.

Recreational maths with 21528940625920

• 21528940625920 backwards is 02952604982512
• The number of decimal digits it has is: 14
• The sum of 21528940625920's digits is 55
• More coming soon!