21108102400

Names of 21108102400

• Cardinal: 21108102400 can be written as Twenty-one billion, one hundred eight million, one hundred two thousand, four hundred.

Scientific notation

• Scientific notation: 2.11081024 × 10¹⁰

Factors of 21108102400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 265

Divisors of 21108102400

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 29 32 35 40 44 49 50 55 56 58 64 70 77 80 88 98 100 110 112 116 128 140 145 154 160 175 176 196 200 203 211 220 224 232 245 256 275 280 290 308 319 320 350 352 385 392 400 406 422 440 448 464 490 539 550 560 580 616 638 640 700 704 725 770 784 800 812 844 880 896 928 980 1015 1055 1078 1100 1120 1160 1225 1232 1276 1280 1400 1408 1421 1450 1477 1540 1568 1595 1600 1624 1688 1760 1792 1856 1925 1960 2030 2110 2156 2200 2233 2240 2320 2321 2450 2464 2552 2695 2800 2816 2842 2900 2954 3080 3136 3190 3200 3248 3376 3520 3712 3850 3920 4060 4220 4312 4400 4466 4480 4640 4642 4900 4928 5075 5104 5275 5390 5600 5684 5800 5908 6119 6160 6272 6380 6400 6496 6752 7040 7105 7385 7424 7700 7840 7975 8120 8440 8624 8800 8932 8960 9280 9284 9800 9856 10150 10208 10339 10550 10780 11165 11200 11368 11600 11605 11816 12238 12320 12544 12760 12992 13475 13504 14080 14210 14770 15400 15631 15680 15950 16240 16247 16880 17248 17600 17864 18560 18568 19600 19712 20300 20416 20678 21100 21560 22330 22400 22736 23200 23210 23632 24476 24640 25520 25984 26950 27008 28420 29540 30595 30800 31262 31360 31900 32480 32494 33760 34496 35200 35525 35728 36925 37120 37136 39200 40600 40832 41356 42200 42833 43120 44660 44800 45472 46400 46420 47264 48952 49280 51040 51695 51968 53900 54016 55825 56840 58025 59080 61190 61600 62524 62720 63800 64960 64988 67309 67520 68992 70400 71050 71456 73850 74272 78155 78400 81200 81235 81664 82712 84400 85666 86240 89320 90944 92800 92840 94528 97904 98560 102080 103390 107800 111650 113680 113729 116050 118160 122380 123200 125048 127600 129920 129976 134618 135040 137984 142100 142912 147700 148544 152975 156310 156800 162400 162470 165424 168800 171332 172480 178640 181888 185600 185680 189056 195808 204160 206780 214165 215600 223300 227360 227458 232100 236320 244760 246400 250096 255200 258475 259840 259952 269236 270080 284200 285824 295400 297088 299831 305950 312620 313600 324800 324940 330848 336545 337600 342664 344960 357280 363776 371360 378112 390775 391616 406175 408320 413560 428330 431200 446600 454720 454916 464200 471163 472640 489520 492800 500192 510400 516950 519904 538472 568400 568645 571648 590800 594176 599662 611900 625240 649600 649880 661696 673090 675200 685328 689920 714560 742720 781550 783232 812350 827120 856660 862400 893200 909440 909832 928400 942326 945280 979040 1000384 1020800 1033900 1039808 1070825 1076944 1136800 1137290 1181600 1199324 1223800 1250480 1299200 1299760 1323392 1346180 1350400 1370656 1429120 1485440 1499155 1563100 1566464 1624700 1654240 1682725 1713320 1724800 1786400 1818880 1819664 1856800 1884652 1890560 1958080 2000768 2041600 2067800 2079616 2141650 2153888 2273600 2274580 2355815 2363200 2398648 2447600 2500960 2599520 2646784 2692360 2741312 2843225 2858240 2970880 2998310 3126200 3249400 3298141 3308480 3365450 3426640 3449600 3572800 3639328 3713600 3769304 3916160 4001536 4135600 4159232 4283300 4307776 4547200 4549160 4711630 4726400 4797296 4895200 5001920 5199040 5384720 5482624 5686450 5996620 6252400 6498800 6596282 6616960 6730900 6853280 7145600 7278656 7427200 7495775 7538608 7832320 8271200 8566600 8615552 9094400 9098320 9423260 9452800 9594592 9790400 10003840 10398080 10769440 10965248 11372900 11779075 11993240 12504800 12997600 13192564 13233920 13461800 13706560 14291200 14557312 14854400 14991550 15077216 16490705 16542400 17133200 17231104 18196640 18846520 19189184 19580800 20007680 20796160 21538880 22745800 23558150 23986480 25009600 25995200 26385128 26923600 27413120 29114624 29983100 30154432 32981410 33084800 34266400 36393280 37693040 38378368 39161600 43077760 45491600 47116300 47972960 50019200 51990400 52770256 53847200 54826240 59966200 60308864 65962820 66169600 68532800 72786560 75386080 76756736 82453525 86155520 90983200 94232600 95945920 100038400 103980800 105540512 107694400 119932400 120617728 131925640 137065600 145573120 150772160 164907050 181966400 188465200 191891840 211081024 215388800 239864800 263851280 274131200 301544320 329814100 363932800 376930400 383783680 422162048 430777600 479729600 527702560 603088640 659628200 727865600 753860800 844324096 959459200 1055405120 1319256400 1507721600 1918918400 2110810240 2638512800 3015443200 4221620480 5277025600 10554051200 21108102400
• Sum of all divisors σ(n): 68912151840
• Sum of proper divisors (its aliquot sum) s(n): 47804049440
• 21108102400 is an abundant number, because the sum of its proper divisors (47804049440) is greater than itself. Its abundance is 26695947040

Bases of 21108102400

• Binary: 10011101010001001000001010100000000₂
• Hexadecimal: 0x4EA241500
• Base-36: 9P37W1S

Squares and roots of 21108102400

• 21108102400 squared (21108102400²) is 445551986928885760000
• 21108102400 cubed (21108102400³) is 9404756964618382139981824000000
• The square root of 21108102400 is 145286.2773974197
• The cube root of 21108102400 is 2763.6501449409

Scales and comparisons

• 21,108,102,400 seconds is equal to 671 years, 8 weeks, 6 days, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,108,102,400 would take you about one thousand, three hundred forty-two 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 21108102400 cubic inches would be around 230.3 feet tall.

Recreational maths with 21108102400

• 21108102400 backwards is 00420180112
• The number of decimal digits it has is: 11
• The sum of 21108102400's digits is 19
• More coming soon!