21018923171200

Names of 21018923171200

• Cardinal: 21018923171200 can be written as Twenty-one trillion, eighteen billion, nine hundred twenty-three million, one hundred seventy-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.10189231712 × 10¹³

Factors of 21018923171200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 308

Divisors of 21018923171200

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 73 80 97 100 128 131 146 160 194 200 262 292 320 365 388 400 485 524 584 640 655 730 776 800 970 1048 1168 1310 1460 1552 1600 1825 1940 2096 2336 2425 2620 2920 3104 3200 3275 3650 3880 4192 4672 4850 5240 5329 5840 6208 6550 7081 7300 7760 8384 9344 9409 9563 9700 10480 10658 11680 12416 12707 13100 14162 14600 15520 16768 18818 19126 19400 20960 21316 23360 25414 26200 26645 28324 29200 31040 35405 37636 38252 38800 41920 42632 46720 47045 47815 50828 52400 53290 56648 58400 62080 63535 70810 75272 76504 77600 83840 85264 94090 95630 101656 104800 106580 113296 116800 127070 133225 141620 150544 153008 155200 170528 177025 188180 191260 203312 209600 213160 226592 233600 235225 239075 254140 266450 283240 301088 306016 310400 317675 341056 354050 376360 382520 406624 419200 426320 453184 470450 478150 508280 516913 532900 566480 602176 612032 635350 682112 686857 698099 708100 752720 765040 813248 852640 906368 927611 940900 956300 1016560 1033826 1065800 1132960 1204352 1224064 1232579 1270700 1373714 1396198 1416200 1505440 1530080 1626496 1705280 1855222 1881800 1912600 2033120 2067652 2131600 2265920 2465158 2541400 2584565 2747428 2792396 2832400 3010880 3060160 3410560 3434285 3490495 3710444 3763600 3825200 4066240 4135304 4263200 4531840 4638055 4930316 5082800 5169130 5494856 5584792 5664800 6021760 6120320 6162895 6868570 6980990 7420888 7527200 7650400 8132480 8270608 8526400 9276110 9860632 10165600 10338260 10989712 11169584 11329600 12325790 12922825 13737140 13961980 14841776 15054400 15300800 16541216 17052800 17171425 17452475 18552220 19721264 20331200 20676520 21979424 22339168 22659200 23190275 24651580 25845650 27474280 27923960 29683552 30108800 30601600 30814475 33082432 34342850 34904950 37104440 39442528 40662400 41353040 43958848 44678336 46380550 49303160 50140561 51691300 54948560 55847920 59367104 61628950 66164864 67715603 68685700 69809900 74208880 78885056 82706080 87917696 89356672 89978267 92761100 98606320 100281122 103382600 109897120 111695840 118734208 123257900 135431206 137371400 139619800 148417760 157770112 165412160 179956534 185522200 197212640 200562244 206765200 219794240 223391680 246515800 250702805 270862412 274742800 279239600 296835520 330824320 338578015 359913068 371044400 394425280 401124488 413530400 439588480 446783360 449891335 493031600 501405610 541724824 549485600 558479200 593671040 677156030 719826136 742088800 788850560 802248976 827060800 899782670 986063200 1002811220 1083449648 1098971200 1116958400 1253514025 1354312060 1439652272 1484177600 1604497952 1654121600 1692890075 1799565340 1972126400 2005622440 2166899296 2197942400 2233916800 2249456675 2507028050 2708624120 2879304544 2968355200 3208995904 3385780150 3599130680 3944252800 4011244880 4333798592 4498913350 5014056100 5417248240 5758609088 6417991808 6568413491 6771560300 7198261360 8022489760 8667597184 8997826700 10028112200 10834496480 11517218176 13136826982 13543120600 14396522720 16044979520 17995653400 20056224400 21668992960 26273653964 27086241200 28793045440 32089959040 32842067455 35991306800 40112448800 43337985920 52547307928 54172482400 57586090880 65684134910 71982613600 80224897600 105094615856 108344964800 131368269820 143965227200 160449795200 164210337275 210189231712 216689929600 262736539640 287930454400 328420674550 420378463424 525473079280 656841349100 840756926848 1050946158560 1313682698200 2101892317120 2627365396400 4203784634240 5254730792800 10509461585600 21018923171200
• Sum of all divisors σ(n): 53598701310660
• Sum of proper divisors (its aliquot sum) s(n): 32579778139460
• 21018923171200 is an abundant number, because the sum of its proper divisors (32579778139460) is greater than itself. Its abundance is 11560854968260

Bases of 21018923171200

• Binary: 100110001110111011001011100101111110110000000₂
• Hexadecimal: 0x131DD972FD80
• Base-36: 7G7YK5W1S

Squares and roots of 21018923171200

• 21018923171200 squared (21018923171200²) is 441795131276808264509440000
• 21018923171200 cubed (21018923171200³) is 9286057921717451072077127017136128000000
• The square root of 21018923171200 is 4584639.9172890339
• The cube root of 21018923171200 is 27597.5261956973

Scales and comparisons

• 21,018,923,171,200 seconds is equal to 668,336 years, 38 weeks, 3 days, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,018,923,171,200 would take you about one million, six hundred seventy thousand, eight hundred forty-one 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 21018923171200 cubic inches would be around 2299.8 feet tall.

Recreational maths with 21018923171200

• 21018923171200 backwards is 00217132981012
• The number of decimal digits it has is: 14
• The sum of 21018923171200's digits is 37
• More coming soon!