21215186703984

Names of 21215186703984

• Cardinal: 21215186703984 can be written as Twenty-one trillion, two hundred fifteen billion, one hundred eighty-six million, seven hundred three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1215186703984 × 10¹³

Factors of 21215186703984

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14158

Divisors of 21215186703984

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 37 39 42 48 52 56 74 78 84 91 104 111 112 148 156 168 169 182 208 222 259 273 296 312 336 338 364 444 481 507 518 546 592 624 676 728 757 777 888 962 1014 1036 1092 1183 1352 1443 1456 1514 1554 1776 1924 2028 2072 2184 2271 2366 2704 2886 3028 3108 3367 3549 3848 4056 4144 4368 4542 4732 5299 5772 6056 6216 6253 6734 7098 7696 8112 9084 9464 9841 10101 10598 11544 12112 12432 12506 13339 13468 14196 15897 18168 18759 18928 19682 20202 21196 23088 25012 26678 26936 28009 28392 29523 31794 36336 37518 39364 40017 40404 42392 43771 50024 53356 53872 56018 56784 59046 63588 68887 75036 78728 80034 80808 84027 84784 87542 93373 100048 106712 112036 118092 127176 127933 131313 137774 150072 157456 160068 161616 168054 173407 175084 186746 196063 206661 213424 224072 236184 254352 255866 262626 275548 280119 300144 320136 336108 346814 350168 364117 373492 383799 392126 413322 448144 472368 493543 511732 520221 525252 551096 560238 588189 640272 672216 693628 700336 728234 746984 767598 784252 826644 895531 987086 1023464 1040442 1050504 1092351 1102192 1120476 1176378 1213849 1344432 1387256 1456468 1480629 1493968 1535196 1568504 1653288 1791062 1974172 2046928 2080884 2101008 2184702 2240952 2254291 2352756 2427698 2548819 2686593 2774512 2912936 2961258 3070392 3137008 3306576 3454801 3582124 3641547 3948344 4161768 4369404 4481904 4508582 4705512 4733521 4855396 5097638 5373186 5825872 5922516 6140784 6416059 6762873 6909602 7164248 7283094 7646457 7896688 8323536 8738808 9017164 9411024 9467042 9710792 10097623 10195276 10364403 10746372 11845032 12832118 13525746 13819204 14200563 14328496 14566188 15292914 15780037 17477616 18034328 18934084 19248177 19421584 20195246 20390552 20728806 21492744 23690064 25664236 27051492 27638408 28401126 29132376 30292869 30585828 31560074 33134647 36068656 37868168 38496354 40390492 40781104 41457612 42985488 44912413 47340111 51328472 54102984 55276816 56802252 58264752 60585738 61171656 63120148 66269294 70683361 75736336 76992708 80780984 82915224 83408767 89824826 94680222 99403941 102656944 108205968 113604504 121171476 122343312 126240296 131269099 132538588 134737239 141366722 153985416 161561968 165830448 166817534 179649652 189360444 198807882 212050083 227209008 242342952 250226301 252480592 262538198 265077176 269474478 282733444 307970832 333635068 359299304 373612051 378720888 393807297 397615764 424100166 484685904 500452602 525076396 530154352 538948956 565466888 583861369 667270136 718598608 747224102 757441776 787614594 795231528 848200332 918883693 1000905204 1050152792 1077897912 1120836153 1130933776 1167722738 1334540272 1494448204 1575229188 1590463056 1696400664 1706498287 1751584107 1837767386 2001810408 2100305584 2155795824 2241672306 2335445476 2615284357 2756651079 2988896408 3150458376 3392801328 3412996574 3503168214 3675534772 4003620816 4483344612 4670890952 4856956663 5119494861 5230568714 5513302158 5977792816 6300916752 6825993148 7006336428 7351069544 7845853071 8966689224 9341781904 9713913326 10238989722 10461137428 11026604316 11945488009 13651986296 14012672856 14570869989 14702139088 15691706142 17933378448 19427826652 20477979444 20922274856 22053208632 23890976018 27303972592 28025345712 29141739978 31383412284 33998696641 35836464027 38855653304 40955958888 41844549712 44106417264 47781952036 58283479956 62766824568 63140436619 67997393282 71672928054 77711306608 81911917776 95563904072 101996089923 116566959912 125533649136 126280873238 135994786564 143345856108 189421309857 191127808144 203992179846 233133919824 252561746476 271989573128 286691712216 378842619714 407984359692 441983056333 505123492952 543979146256 573383424432 757685239428 815968719384 883966112666 1010246985904 1325949168999 1515370478856 1631937438768 1767932225332 2651898337998 3030740957712 3535864450664 5303796675996 7071728901328 10607593351992 21215186703984
• Sum of all divisors σ(n): 69754365672960
• Sum of proper divisors (its aliquot sum) s(n): 48539178968976
• 21215186703984 is an abundant number, because the sum of its proper divisors (48539178968976) is greater than itself. Its abundance is 27323992264992

Bases of 21215186703984

• Binary: 100110100101110001011101010101101011001110000₂
• Hexadecimal: 0x134B8BAAD670
• Base-36: 7IQ4EEJ5C

Squares and roots of 21215186703984

• 21215186703984 squared (21215186703984²) is 450084146884899497641472256
• 21215186703984 cubed (21215186703984³) is 9548619208666501494389483172513820667904
• The square root of 21215186703984 is 4605994.6487142167
• The cube root of 21215186703984 is 27683.1572308809

Scales and comparisons

• 21,215,186,703,984 seconds is equal to 674,577 years, 16 weeks, 2 days, 9 hours, 46 minutes, 24 seconds.
• To count from 1 to 21,215,186,703,984 would take you about one million, six hundred eighty-six thousand, four hundred forty-three 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 21215186703984 cubic inches would be around 2306.9 feet tall.

Recreational maths with 21215186703984

• 21215186703984 backwards is 48930768151212
• The number of decimal digits it has is: 14
• The sum of 21215186703984's digits is 57
• More coming soon!