15105902994

Names of 15105902994

• Cardinal: 15105902994 can be written as Fifteen billion, one hundred five million, nine hundred two thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 1.5105902994 × 10¹⁰

Factors of 15105902994

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 287

Divisors of 15105902994

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 38 39 42 57 61 63 73 78 91 109 114 117 122 126 133 146 171 182 183 218 219 234 247 266 273 327 342 366 399 427 438 494 511 546 549 654 657 741 763 793 798 819 854 949 981 1022 1098 1159 1197 1281 1314 1387 1417 1482 1526 1533 1586 1638 1729 1898 1962 2071 2223 2289 2318 2379 2394 2562 2774 2834 2847 3066 3458 3477 3843 4142 4161 4251 4446 4453 4578 4599 4758 5187 5551 5694 6213 6643 6649 6867 6954 7137 7686 7957 8113 8322 8502 8541 8906 9198 9709 9919 10374 10431 11102 12426 12483 12753 13286 13298 13359 13734 14274 14497 15067 15561 15914 16226 16653 17082 18031 18639 19418 19838 19929 19947 20862 23871 24339 24966 25506 26718 26923 28994 29127 29757 30134 31122 31171 33306 36062 37278 39858 39894 40077 43491 45201 46543 47742 48678 49959 53846 54093 55699 57889 58254 59514 59787 59841 62342 71613 73017 80154 80769 84607 86437 86982 87381 89271 90402 93086 93513 99918 103441 105469 108186 111398 115778 119574 119682 126217 126331 130473 135603 139629 143226 146034 151183 161538 162279 167097 169214 172874 173667 174762 178542 187026 188461 206882 210938 242307 252434 252662 253821 259311 260946 271206 279258 280539 302366 310323 316407 324558 334194 347334 376922 378651 378993 405223 418887 453549 484614 485377 501291 507642 518622 521001 561078 565383 592249 605059 620646 632814 724087 757302 757986 761463 777933 810446 837774 884317 907098 930969 949221 970754 1002582 1042002 1058281 1099891 1130766 1135953 1136979 1184498 1210118 1215669 1360647 1448174 1456131 1522926 1555866 1642303 1696149 1768634 1776747 1815177 1861938 1898442 1965379 2116562 2172261 2199782 2271906 2273958 2431338 2652951 2721294 2912262 3174843 3284606 3299673 3392298 3397639 3553494 3630354 3647007 3930758 4344522 4368393 4926909 5305902 5330241 5445531 5896137 6309901 6349686 6516783 6599346 6795278 7294014 7699237 7958853 8736786 9222163 9524529 9853818 9899019 10192917 10660482 10891062 11496121 11792274 12619802 13033566 13757653 14780727 15398474 15917706 17688411 18444326 18929703 19049058 19798038 20385834 22992242 23097711 27515306 27666489 29561454 30578751 34488363 35376822 37859406 41272959 44169307 46195422 55332978 56789109 61157502 64555141 68976726 69293133 82545918 82999467 88338614 103465089 113578218 119888119 123818877 129110282 132507921 138586266 165998934 193665423 206930178 239776238 247637754 265015842 359664357 387330846 397523763 580996269 719328714 795047526 839216833 1078993071 1161992538 1678433666 2157986142 2517650499 5035300998 7552951497 15105902994
• Sum of all divisors σ(n): 44088844800
• Sum of proper divisors (its aliquot sum) s(n): 28982941806
• 15105902994 is an abundant number, because the sum of its proper divisors (28982941806) is greater than itself. Its abundance is 13877038812

Bases of 15105902994

• Binary: 1110000100011000011100100110010010₂
• Hexadecimal: 0x38461C992
• Base-36: 6XTNXCI

Squares and roots of 15105902994

• 15105902994 squared (15105902994²) is 228188305264138164036
• 15105902994 cubed (15105902994³) is 3446990403685330652941075523784
• The square root of 15105902994 is 122906.0738694389
• The cube root of 15105902994 is 2472.0024517289

Scales and comparisons

• 15,105,902,994 seconds is equal to 480 years, 16 weeks, 4 days, 20 hours, 9 minutes, 54 seconds.
• To count from 1 to 15,105,902,994 would take you about nine hundred sixty 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 15105902994 cubic inches would be around 206 feet tall.

Recreational maths with 15105902994

• 15105902994 backwards is 49920950151
• The number of decimal digits it has is: 11
• The sum of 15105902994's digits is 45
• More coming soon!