21649749120

Names of 21649749120

• Cardinal: 21649749120 can be written as Twenty-one billion, six hundred forty-nine million, seven hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.164974912 × 10¹⁰

Factors of 21649749120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 160

Divisors of 21649749120

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 23 24 27 30 32 36 38 40 45 46 47 48 54 57 60 61 64 69 72 76 80 90 92 94 95 96 108 114 115 120 122 128 135 138 141 144 152 160 171 180 183 184 188 190 192 207 216 228 230 235 240 244 270 276 282 285 288 304 305 320 342 345 360 366 368 376 380 384 414 423 432 437 456 460 470 480 488 513 540 549 552 564 570 576 608 610 621 640 684 690 705 720 732 736 752 760 828 846 855 864 874 893 912 915 920 940 960 976 1026 1035 1080 1081 1098 1104 1128 1140 1152 1159 1216 1220 1242 1269 1311 1368 1380 1403 1410 1440 1464 1472 1504 1520 1647 1656 1692 1710 1728 1748 1786 1824 1830 1840 1880 1920 1952 2052 2070 2115 2160 2162 2185 2196 2208 2256 2280 2318 2432 2440 2484 2538 2565 2622 2679 2736 2745 2760 2806 2820 2867 2880 2928 2944 3008 3040 3105 3243 3294 3312 3384 3420 3456 3477 3496 3572 3648 3660 3680 3760 3904 3933 4104 4140 4209 4230 4320 4324 4370 4392 4416 4465 4512 4560 4636 4880 4968 5076 5130 5244 5358 5405 5472 5490 5520 5612 5640 5734 5760 5795 5856 6016 6080 6210 6345 6486 6555 6588 6624 6768 6840 6954 6992 7015 7144 7296 7320 7360 7520 7808 7866 8037 8208 8235 8280 8418 8460 8601 8640 8648 8740 8784 8832 8930 9024 9120 9272 9729 9760 9936 10152 10260 10431 10488 10716 10810 10944 10980 11040 11224 11280 11468 11590 11712 11799 12160 12420 12627 12690 12972 13110 13176 13248 13395 13536 13680 13908 13984 14030 14288 14335 14640 14720 15040 15732 16074 16215 16416 16470 16560 16836 16920 17202 17280 17296 17385 17480 17568 17860 18048 18240 18544 19458 19520 19665 19872 20304 20520 20539 20862 20976 21045 21432 21620 21888 21960 22080 22448 22560 22936 23180 23424 23598 24111 24840 25254 25380 25803 25944 26220 26352 26496 26657 26790 27072 27360 27816 27968 28060 28576 28670 29187 29280 30080 31293 31464 32148 32430 32832 32940 33120 33672 33840 34404 34592 34770 34960 35136 35720 36480 37088 37881 38916 39040 39330 39744 40185 40608 41040 41078 41724 41952 42090 42864 43005 43240 43920 44160 44896 45120 45872 46360 47196 48222 48645 49680 50508 50760 51606 51888 52155 52440 52704 53314 53580 54144 54473 54720 55632 55936 56120 57152 57340 58374 58560 58995 61617 62586 62928 63135 64296 64860 65664 65880 65941 66240 67344 67680 68808 69184 69540 69920 70272 71440 74176 75762 77409 77832 78660 79488 79971 80370 81216 82080 82156 83448 83904 84180 85728 86010 86480 87840 89792 90240 91744 92720 94392 96444 97290 99360 101016 101520 102695 103212 103776 104310 104880 105408 106628 107160 108946 109440 111264 112240 114304 114680 116748 117120 117990 120555 123234 125172 125856 126270 128592 129015 129720 131760 131882 132480 133285 134688 135360 137616 138368 139080 139840 142880 145935 148352 151524 154818 155664 156465 157320 159942 160740 162432 163419 164160 164312 166896 167808 168360 171456 172020 172960 175680 179584 183488 184851 185440 188784 189405 192888 194580 197823 198720 202032 203040 205390 206424 207552 208620 209760 210816 213256 214320 217892 222528 224480 229360 233496 235980 239913 241110 246468 250344 251712 252540 257184 258030 259440 263520 263764 266570 269376 270720 272365 275232 278160 279680 285760 291870 303048 308085 309636 311328 312930 314640 319884 321480 326838 328320 328624 329705 333792 336720 342912 344040 345920 351360 366976 369702 370880 377568 378810 385776 387045 389160 395646 397440 399855 404064 406080 410780 412848 415104 417240 419520 426512 428640 435784 445056 448960 458720 466992 471960 479826 482220 490257 492936 500688 503424 505080 514368 516060 518880 527040 527528 533140 538752 544730 550464 554553 556320 571520 583740 593469 606096 616170 619272 622656 625860 629280 639768 642960 653676 657248 659410 667584 673440 688080 691840 719739 739404 741760 755136 757620 771552 774090 778320 791292 799710 808128 812160 817095 821560 825696 834480 839040 853024 857280 871568 897920 917440 924255 933984 943920 959652 964440 980514 985872 989115 1001376 1010160 1028736 1032120 1037760 1054080 1055056 1066280 1089460 1100928 1109106 1112640 1167480 1186938 1199565 1212192 1232340 1238544 1245312 1251720 1252879 1258560 1279536 1285920 1307352 1314496 1318820 1335168 1346880 1376160 1439478 1470771 1478808 1510272 1515240 1543104 1548180 1556640 1582584 1599420 1616256 1634190 1643120 1651392 1668960 1706048 1714560 1743136 1780407 1834880 1848510 1867968 1887840 1919304 1928880 1961028 1971744 1978230 2002752 2020320 2064240 2075520 2110112 2132560 2178920 2218212 2225280 2334960 2373876 2399130 2424384 2451285 2464680 2477088 2503440 2505758 2517120 2559072 2571840 2614704 2628992 2637640 2693760 2752320 2772765 2878956 2941542 2957616 2967345 3030480 3086208 3096360 3113280 3165168 3198840 3268380 3286240 3302784 3337920 3412096 3486272 3560814 3598695 3697020 3735936 3758637 3775680 3838608 3857760 3922056 3943488 3956460 4005504 4040640 4128480 4220224 4265120 4357840 4436424 4669920 4747752 4798260 4848768 4902570 4929360 4954176 5006880 5011516 5118144 5143680 5229408 5275280 5504640 5545530 5757912 5883084 5915232 5934690 6060960 6192720 6226560 6264395 6330336 6397680 6536760 6572480 6675840 6972544 7121628 7197390 7353855 7394040 7517274 7551360 7677216 7715520 7844112 7886976 7912920 8081280 8256960 8440448 8530240 8715680 8872848 8902035 9339840 9495504 9596520 9805140 9858720 9908352 10013760 10023032 10236288 10458816 10550560 11091060 11275911 11515824 11766168 11830464 11869380 12121920 12385440 12528790 12660672 12795360 13073520 13144960 14243256 14394780 14707710 14788080 15034548 15354432 15431040 15688224 15825840 16513920 17060480 17431360 17745696 17804070 18679680 18793185 18991008 19193040 19610280 19717440 20027520 20046064 20917632 21101120 22182120 22551822 23031648 23532336 23660928 23738760 24243840 24770880 25057580 25321344 25590720 26147040 28486512 28789560 29415420 29576160 30069096 30708864 31376448 31651680 33827733 34862720 35491392 35608140 37586370 37982016 38386080 39220560 39434880 40092128 42202240 44364240 45103644 46063296 47064672 47477520 49541760 50115160 51181440 52294080 56379555 56973024 57579120 58830840 59152320 60138192 62752896 63303360 67655466 70982784 71216280 75172740 75964032 76772160 78441120 80184256 88728480 90207288 92126592 94129344 94955040 100230320 104588160 112759110 113946048 115158240 117661680 118304640 120276384 126606720 135310932 142432560 150345480 153544320 156882240 160368512 169138665 177456960 180414576 188258688 189910080 200460640 225518220 227892096 230316480 235323360 240552768 270621864 284865120 300690960 313764480 338277330 354913920 360829152 379820160 400921280 451036440 460632960 470646720 481105536 541243728 569730240 601381920 676554660 721658304 801842560 902072880 941293440 1082487456 1139460480 1202763840 1353109320 1443316608 1804145760 2164974912 2405527680 2706218640 3608291520 4329949824 5412437280 7216583040 10824874560 21649749120
• Sum of all divisors σ(n): 87422976000
• Sum of proper divisors (its aliquot sum) s(n): 65773226880
• 21649749120 is an abundant number, because the sum of its proper divisors (65773226880) is greater than itself. Its abundance is 44123477760

Bases of 21649749120

• Binary: 10100001010011011001111010010000000₂
• Hexadecimal: 0x50A6CF480
• Base-36: 9Y1P9C0

Squares and roots of 21649749120

• 21649749120 squared (21649749120²) is 468711636958940774400
• 21649749120 cubed (21649749120³) is 10147489349785587506698518528000
• The square root of 21649749120 is 147138.5371682075
• The cube root of 21649749120 is 2787.0897622533

Scales and comparisons

• 21,649,749,120 seconds is equal to 688 years, 20 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 21,649,749,120 would take you about one thousand, three hundred seventy-six 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 21649749120 cubic inches would be around 232.3 feet tall.

Recreational maths with 21649749120

• 21649749120 backwards is 02194794612
• 21649749120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21649749120's digits is 45
• More coming soon!