21289144140

Names of 21289144140

• Cardinal: 21289144140 can be written as Twenty-one billion, two hundred eighty-nine million, one hundred forty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.128914414 × 10¹⁰

Factors of 21289144140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1709

Divisors of 21289144140

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 67 81 90 99 108 110 121 132 134 135 162 165 180 198 201 220 242 268 270 297 324 330 335 363 396 402 405 484 495 540 594 603 605 660 670 726 737 804 810 891 990 1005 1089 1188 1206 1210 1340 1452 1474 1485 1620 1621 1782 1809 1815 1980 2010 2178 2211 2412 2420 2948 2970 3015 3242 3267 3564 3618 3630 3685 4020 4356 4422 4455 4863 5427 5445 5940 6030 6484 6534 6633 7236 7260 7370 8105 8107 8844 8910 9045 9726 9801 10854 10890 11055 12060 13068 13266 14589 14740 16210 16214 16335 17820 17831 18090 19452 19602 19899 21708 21780 22110 24315 24321 26532 27135 29178 32420 32428 32670 33165 35662 36180 39204 39798 40535 43767 44220 48630 48642 49005 53493 54270 58356 59697 65340 66330 71324 72945 72963 79596 81070 87534 89155 97260 97284 98010 99495 106986 108540 108607 119394 121605 131301 132660 145890 145926 160479 162140 175068 178310 196020 196141 198990 213972 217214 218835 218889 238788 243210 262602 267465 291780 291852 298485 320958 325821 356620 364815 392282 397980 434428 437670 437778 481437 486420 525204 534930 543035 588423 596970 641916 651642 656505 656667 729630 784564 802395 875340 875556 962874 977463 980705 1069860 1086070 1094445 1176846 1193940 1194677 1303284 1313010 1313334 1444311 1459260 1604790 1629105 1765269 1925748 1954926 1961410 2172140 2188890 2353692 2389354 2407185 2626020 2626668 2888622 2932389 2942115 3209580 3258210 3283335 3530538 3584031 3909852 3922820 4377780 4778708 4814370 4887315 5295807 5777244 5864778 5884230 5973385 6516420 6566670 7061076 7168062 7221555 8797167 8826345 9628740 9774630 10591614 10752093 11729556 11768460 11946770 13133340 13141447 14336124 14443110 14661945 15887421 17594334 17652690 17920155 19549260 21183228 21504186 23893540 26282894 26479035 28886220 29323890 31774842 32256279 35188668 35305380 35840310 39424341 43008372 43985835 52565788 52958070 53760465 58647780 63549684 64512558 65707235 71680620 78848682 79437105 87971670 96768837 105916140 107520930 118273023 129025116 131414470 157697364 158874210 161281395 175943340 193537674 197121705 215041860 236546046 262828940 317748420 322562790 354819069 387075348 394243410 473092092 483844185 591365115 645125580 709638138 788486820 967688370 1064457207 1182730230 1419276276 1774095345 1935376740 2128914414 2365460460 3548190690 4257828828 5322286035 7096381380 10644572070 21289144140
• Sum of all divisors σ(n): 74549728176
• Sum of proper divisors (its aliquot sum) s(n): 53260584036
• 21289144140 is an abundant number, because the sum of its proper divisors (53260584036) is greater than itself. Its abundance is 31971439896

Bases of 21289144140

• Binary: 10011110100111011101000111101001100₂
• Hexadecimal: 0x4F4EE8F4C
• Base-36: 9S308R0

Squares and roots of 21289144140

• 21289144140 squared (21289144140²) is 453227658213696339600
• 21289144140 cubed (21289144140³) is 9648828943946036295934789944000
• The square root of 21289144140 is 145907.9988897113
• The cube root of 21289144140 is 2771.5288314827

Scales and comparisons

• 21,289,144,140 seconds is equal to 676 years, 48 weeks, 2 days, 3 hours, 9 minutes.
• To count from 1 to 21,289,144,140 would take you about one thousand, three hundred fifty-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 21289144140 cubic inches would be around 231 feet tall.

Recreational maths with 21289144140

• 21289144140 backwards is 04144198212
• 21289144140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21289144140's digits is 36
• More coming soon!