31397045748

Names of 31397045748

• Cardinal: 31397045748 can be written as Thirty-one billion, three hundred ninety-seven million, forty-five thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 3.1397045748 × 10¹⁰

Factors of 31397045748

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 236

Divisors of 31397045748

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 12 17 19 34 37 38 51 57 61 68 74 76 97 102 111 114 122 148 183 194 204 222 228 244 291 323 366 388 444 582 629 646 703 732 969 1037 1159 1164 1258 1292 1369 1406 1649 1843 1887 1938 2074 2109 2257 2318 2516 2738 2812 3111 3298 3477 3589 3686 3774 3876 4107 4148 4218 4514 4636 4947 5476 5529 5917 6222 6596 6771 6954 7178 7372 7548 8214 8436 9028 9894 10767 11058 11834 11951 12444 13542 13908 14356 16428 17751 19703 19788 21534 22116 23273 23668 23902 26011 27084 31331 35502 35853 38369 39406 42883 43068 46546 47804 52022 59109 61013 62662 68191 69819 71004 71706 76738 78033 78812 83509 85766 93092 93993 100589 104044 112423 115107 118218 122026 125324 128649 132793 136382 139638 143412 153476 156066 167018 171532 183039 187986 201178 204573 218929 224846 230214 236436 244052 250527 257298 265586 272764 279276 301767 312132 334036 337269 366078 375972 398379 402356 409146 437858 442187 449692 460428 501054 514596 531172 603534 656787 674538 729011 732156 796758 818292 875716 884374 1002108 1159247 1207068 1313574 1326561 1349076 1419653 1458022 1586671 1593516 1768748 1911191 2187033 2257481 2318494 2523067 2627148 2653122 2839306 2916044 3173342 3477741 3721793 3822382 4159651 4258959 4374066 4514962 4636988 4760013 5046134 5306244 5678612 5733573 6346684 6772443 6955482 7443586 7569201 7644764 8100373 8319302 8517918 8748132 9029924 9520026 10092268 11165379 11467146 12478953 13544886 13910964 14887172 15138402 16200746 16638604 17035836 19040052 22330758 22934292 24301119 24957906 26973407 27089772 30276804 32401492 42892139 44661516 48602238 49915812 53946814 70714067 80920221 85784278 97204476 107893628 128676417 137706341 141428134 153907087 161840442 171568556 212142201 257352834 275412682 282856268 307814174 323680884 413119023 424284402 461721261 514705668 550825364 615628348 826238046 848568804 923442522 1652476092 1846885044 2616420479 5232840958 7849261437 10465681916 15698522874 31397045748
• Sum of all divisors σ(n): 86173234560
• Sum of proper divisors (its aliquot sum) s(n): 54776188812
• 31397045748 is an abundant number, because the sum of its proper divisors (54776188812) is greater than itself. Its abundance is 23379143064

Bases of 31397045748

• Binary: 11101001111011010001110010111110100₂
• Hexadecimal: 0x74F68E5F4
• Base-36: EF8ZNJO

Squares and roots of 31397045748

• 31397045748 squared (31397045748²) is 985774481702004879504
• 31397045748 cubed (31397045748³) is 30950406499208836105106315548992
• The square root of 31397045748 is 177192.1153663447
• The cube root of 31397045748 is 3154.7353234817

Scales and comparisons

• 31,397,045,748 seconds is equal to 998 years, 17 weeks, 17 hours, 35 minutes, 48 seconds.
• To count from 1 to 31,397,045,748 would take you about one thousand, nine hundred ninety-six 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 31397045748 cubic inches would be around 262.9 feet tall.

Recreational maths with 31397045748

• 31397045748 backwards is 84754079313
• 31397045748 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31397045748's digits is 51
• More coming soon!