21855744000

Names of 21855744000

• Cardinal: 21855744000 can be written as Twenty-one billion, eight hundred fifty-five million, seven hundred forty-four thousand.

Scientific notation

• Scientific notation: 2.1855744 × 10¹⁰

Factors of 21855744000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 58

Divisors of 21855744000

• Number of divisors d(n): 1040
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 31 32 34 36 40 45 48 50 51 54 60 62 64 68 72 75 80 81 85 90 93 96 100 102 108 120 124 125 128 135 136 144 150 153 155 160 162 170 180 186 192 200 204 216 225 240 248 250 255 256 270 272 279 288 300 306 310 320 324 340 360 372 375 384 400 405 408 425 432 450 459 465 480 496 500 510 512 527 540 544 558 576 600 612 620 640 648 675 680 720 744 750 765 768 775 800 810 816 837 850 864 900 918 930 960 992 1000 1020 1024 1054 1080 1088 1116 1125 1152 1200 1224 1240 1275 1280 1296 1350 1360 1377 1395 1440 1488 1500 1530 1536 1550 1581 1600 1620 1632 1674 1700 1728 1800 1836 1860 1920 1984 2000 2025 2040 2048 2108 2125 2160 2176 2232 2250 2295 2304 2325 2400 2448 2480 2511 2550 2560 2592 2635 2700 2720 2754 2790 2880 2976 3000 3060 3072 3100 3162 3200 3240 3264 3348 3375 3400 3456 3600 3672 3720 3825 3840 3875 3968 4000 4050 4080 4096 4185 4216 4250 4320 4352 4464 4500 4590 4608 4650 4743 4800 4896 4960 5022 5100 5120 5184 5270 5400 5440 5508 5580 5760 5952 6000 6120 6144 6200 6324 6375 6400 6480 6528 6696 6750 6800 6885 6912 6975 7200 7344 7440 7650 7680 7750 7905 7936 8000 8100 8160 8370 8432 8500 8640 8704 8928 9000 9180 9216 9300 9486 9600 9792 9920 10044 10125 10200 10240 10368 10540 10800 10880 11016 11160 11475 11520 11625 11904 12000 12240 12288 12400 12555 12648 12750 12800 12960 13056 13175 13392 13500 13600 13770 13824 13950 14229 14400 14688 14880 15300 15360 15500 15810 15872 16000 16200 16320 16740 16864 17000 17280 17408 17856 18000 18360 18432 18600 18972 19125 19200 19584 19840 20088 20250 20400 20480 20736 20925 21080 21600 21760 22032 22320 22950 23040 23250 23715 23808 24000 24480 24800 25110 25296 25500 25600 25920 26112 26350 26784 27000 27200 27540 27648 27900 28458 28800 29376 29760 30600 30720 31000 31620 31744 32000 32400 32640 33480 33728 34000 34425 34560 34816 34875 35712 36000 36720 36864 37200 37944 38250 38400 39168 39525 39680 40176 40500 40800 41472 41850 42160 42687 43200 43520 44064 44640 45900 46080 46500 47430 47616 48000 48960 49600 50220 50592 51000 51200 51840 52224 52700 53568 54000 54400 55080 55296 55800 56916 57375 57600 58752 59520 61200 61440 62000 62775 63240 63488 64000 64800 65280 65875 66960 67456 68000 68850 69120 69632 69750 71145 71424 72000 73440 74400 75888 76500 76800 78336 79050 79360 80352 81000 81600 82944 83700 84320 85374 86400 87040 88128 89280 91800 92160 93000 94860 95232 96000 97920 99200 100440 101184 102000 102400 103680 104448 104625 105400 107136 108000 108800 110160 110592 111600 113832 114750 115200 117504 118575 119040 122400 124000 125550 126480 126976 128000 129600 130560 131750 133920 134912 136000 137700 138240 139500 142290 142848 144000 146880 148800 151776 153000 153600 156672 158100 158720 160704 162000 163200 165888 167400 168640 170748 172125 172800 174080 176256 178560 183600 184320 186000 189720 190464 192000 195840 197625 198400 200880 202368 204000 207360 208896 209250 210800 213435 214272 216000 217600 220320 223200 227664 229500 230400 235008 237150 238080 244800 248000 251100 252960 256000 259200 261120 263500 267840 269824 272000 275400 276480 279000 284580 285696 288000 293760 297600 303552 306000 307200 313344 313875 316200 317440 321408 324000 326400 331776 334800 337280 341496 344250 345600 348160 352512 355725 357120 367200 372000 379440 380928 384000 391680 395250 396800 401760 404736 408000 414720 418500 421600 426870 428544 432000 435200 440640 446400 455328 459000 460800 470016 474300 476160 489600 496000 502200 505920 512000 518400 522240 527000 535680 539648 544000 550800 552960 558000 569160 571392 576000 587520 592875 595200 607104 612000 626688 627750 632400 634880 642816 648000 652800 669600 674560 682992 688500 691200 705024 711450 714240 734400 744000 758880 768000 783360 790500 793600 803520 809472 816000 829440 837000 843200 853740 857088 864000 870400 881280 892800 910656 918000 921600 940032 948600 952320 979200 992000 1004400 1011840 1036800 1044480 1054000 1067175 1071360 1079296 1088000 1101600 1116000 1138320 1142784 1152000 1175040 1185750 1190400 1214208 1224000 1255500 1264800 1285632 1296000 1305600 1339200 1349120 1365984 1377000 1382400 1410048 1422900 1428480 1468800 1488000 1517760 1536000 1566720 1581000 1587200 1607040 1618944 1632000 1658880 1674000 1686400 1707480 1714176 1728000 1740800 1762560 1778625 1785600 1821312 1836000 1880064 1897200 1904640 1958400 1984000 2008800 2023680 2073600 2108000 2134350 2142720 2158592 2176000 2203200 2232000 2276640 2304000 2350080 2371500 2380800 2428416 2448000 2511000 2529600 2571264 2592000 2611200 2678400 2698240 2731968 2754000 2764800 2820096 2845800 2856960 2937600 2976000 3035520 3133440 3162000 3174400 3214080 3237888 3264000 3348000 3372800 3414960 3428352 3456000 3525120 3557250 3571200 3642624 3672000 3794400 3916800 3968000 4017600 4047360 4147200 4216000 4268700 4285440 4352000 4406400 4464000 4553280 4608000 4700160 4743000 4761600 4856832 4896000 5022000 5059200 5142528 5184000 5222400 5335875 5356800 5396480 5463936 5508000 5640192 5691600 5713920 5875200 5952000 6071040 6324000 6428160 6475776 6528000 6696000 6745600 6829920 6912000 7050240 7114500 7142400 7285248 7344000 7588800 7833600 7936000 8035200 8094720 8294400 8432000 8537400 8570880 8704000 8812800 8928000 9106560 9400320 9486000 9523200 9713664 9792000 10044000 10118400 10285056 10368000 10671750 10713600 10792960 10927872 11016000 11383200 11750400 11904000 12142080 12648000 12856320 13056000 13392000 13491200 13659840 13824000 14100480 14229000 14284800 14570496 14688000 15177600 15667200 15872000 16070400 16189440 16864000 17074800 17141760 17625600 17856000 18213120 18972000 19427328 19584000 20088000 20236800 20736000 21343500 21427200 21855744 22032000 22766400 23500800 23808000 24284160 25296000 25712640 26112000 26784000 26982400 27319680 28200960 28458000 28569600 29140992 29376000 30355200 32140800 32378880 33728000 34149600 35251200 35712000 36426240 37944000 39168000 40176000 40473600 41472000 42687000 42854400 43711488 44064000 45532800 47001600 47616000 48568320 50592000 51425280 53568000 53964800 54639360 56916000 58281984 58752000 60710400 64281600 67456000 68299200 70502400 71424000 72852480 75888000 78336000 80352000 80947200 85374000 85708800 87422976 88128000 91065600 97136640 101184000 107136000 109278720 113832000 117504000 121420800 128563200 134912000 136598400 141004800 142848000 145704960 151776000 160704000 161894400 170748000 174845952 176256000 182131200 202368000 214272000 218557440 227664000 235008000 242841600 257126400 269824000 273196800 291409920 303552000 321408000 341496000 352512000 364262400 404736000 428544000 437114880 455328000 485683200 546393600 607104000 642816000 682992000 705024000 728524800 809472000 874229760 910656000 1092787200 1214208000 1285632000 1365984000 1457049600 1821312000 2185574400 2428416000 2731968000 3642624000 4371148800 5463936000 7285248000 10927872000 21855744000
• Sum of all divisors σ(n): 89057270016
• Sum of proper divisors (its aliquot sum) s(n): 67201526016
• 21855744000 is an abundant number, because the sum of its proper divisors (67201526016) is greater than itself. Its abundance is 45345782016

Bases of 21855744000

• Binary: 10100010110101101000011000000000000₂
• Hexadecimal: 0x516B43000
• Base-36: A1GCG00

Squares and roots of 21855744000

• 21855744000 squared (21855744000²) is 477673545793536000000
• 21855744000 cubed (21855744000³) is 10439910732435799670784000000000
• The square root of 21855744000 is 147836.8830840261
• The cube root of 21855744000 is 2795.9014867023

Scales and comparisons

• 21,855,744,000 seconds is equal to 694 years, 49 weeks, 1 day.
• To count from 1 to 21,855,744,000 would take you about one thousand, three hundred eighty-nine 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 21855744000 cubic inches would be around 233 feet tall.

Recreational maths with 21855744000

• 21855744000 backwards is 00044755812
• 21855744000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21855744000's digits is 36
• More coming soon!