31989657128748

Names of 31989657128748

• Cardinal: 31989657128748 can be written as Thirty-one trillion, nine hundred eighty-nine billion, six hundred fifty-seven million, one hundred twenty-eight thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 3.1989657128748 × 10¹³

Factors of 31989657128748

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4407

Divisors of 31989657128748

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 11 12 22 31 33 37 44 61 62 66 74 93 111 122 124 132 148 183 186 222 244 341 366 372 407 444 671 682 732 814 1023 1093 1147 1221 1342 1364 1628 1891 2013 2046 2186 2257 2294 2442 2684 3169 3279 3441 3782 4026 4092 4372 4514 4588 4884 5673 6338 6558 6771 6882 7564 8052 9028 9507 11346 12023 12617 12676 13116 13542 13764 19014 20801 22692 24046 24827 25234 27084 33883 34859 36069 37851 38028 40441 41602 48092 49654 50468 62403 66673 67766 69718 69967 72138 74481 75702 80882 83204 98239 99308 101649 104577 117253 121323 124806 133346 135532 139436 139934 144276 148962 151404 161764 193309 196478 200019 203298 209154 209901 234506 242646 249612 266692 279868 294717 297924 351759 372713 386618 392956 400038 406596 418308 419802 444851 469012 485292 579927 589434 703518 733403 745426 769637 773236 800076 839604 889702 1080629 1118139 1159854 1178868 1253671 1289783 1334553 1407036 1466806 1490852 1539274 1779404 2066863 2126399 2161258 2200209 2236278 2308911 2319708 2466901 2507342 2579566 2669106 2933612 3078548 3241887 3463717 3634843 3761013 3869349 4133726 4252798 4322516 4400418 4472556 4617822 4933802 5014684 5159132 5338212 5992579 6200589 6379197 6483774 6927434 7152433 7269686 7400703 7522026 7738698 8267452 8505596 8800836 9235644 9867604 10391151 10904529 11985158 12401178 12758394 12967548 13790381 13854868 14304866 14539372 14801406 15044052 15477396 17977737 20782302 21457299 21809058 22735493 23970316 24802356 25516788 27135911 27580762 28609732 29602812 35955474 38100887 39983273 41371143 41564604 42914598 43618116 45470986 54271822 55161524 65918369 68206479 71910948 76201774 76473931 78676763 79966546 81407733 82742286 85829196 90941972 107375227 108543644 114302661 119949819 128157529 131836738 136412958 152403548 152947862 157353526 159933092 162815466 165484572 197755107 211286737 214750454 221725423 228605322 229421793 236030289 239899638 256315058 263673476 272825916 305895724 314707052 322125681 325630932 384472587 395510214 422573474 429500908 443450846 457210644 458843586 472060578 479799276 512630116 633860211 644251362 665176269 768945174 791020428 841213241 845146948 886901692 917687172 944121156 1181127497 1267720422 1288502724 1330352538 1409732819 1537890348 1682426482 2324154107 2362254994 2438979653 2523639723 2535440844 2660705076 2819465638 3364852964 3543382491 3972883399 4229198457 4648308214 4724509988 4877959306 5047279446 5638931276 6549888847 6972462321 7086764982 7316938959 7817609269 7945766798 8458396914 9296616428 9755918612 10094558892 11918650197 13099777694 13944924642 14173529964 14633877918 15635218538 15891533596 16916793828 19649666541 23452827807 23837300394 26199555388 27889849284 29267755836 31270437076 39299333082 43701717389 46905655614 47674600788 72048777317 78598666164 85993701959 87403434778 93811311228 131105152167 144097554634 171987403918 174806869556 216146331951 242345887339 257981105877 262210304334 288195109268 343974807836 432292663902 484691774678 515962211754 524420608668 727037662017 864585327804 969383549356 1031924423508 1454075324034 2665804760729 2908150648068 5331609521458 7997414282187 10663219042916 15994828564374 31989657128748
• Sum of all divisors σ(n): 87849870581760
• Sum of proper divisors (its aliquot sum) s(n): 55860213453012
• 31989657128748 is an abundant number, because the sum of its proper divisors (55860213453012) is greater than itself. Its abundance is 23870556324264

Bases of 31989657128748

• Binary: 111010001100000101100001001100100111100101100₂
• Hexadecimal: 0x1D182C264F2C
• Base-36: BC7UFWM5O

Squares and roots of 31989657128748

• 31989657128748 squared (31989657128748²) is 1023338163214857735448047504
• 31989657128748 cubed (31989657128748³) is 32736236968006058098366284696131348044992
• The square root of 31989657128748 is 5655939.9863106751
• The cube root of 31989657128748 is 31744.6001948013

Scales and comparisons

• 31,989,657,128,748 seconds is equal to 1,017,172 years, 7 weeks, 4 days, 5 hours, 5 minutes, 48 seconds.
• To count from 1 to 31,989,657,128,748 would take you about two million, five hundred forty-two thousand, nine hundred thirty 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 31989657128748 cubic inches would be around 2645.4 feet tall.

Recreational maths with 31989657128748

• 31989657128748 backwards is 84782175698913
• The number of decimal digits it has is: 14
• The sum of 31989657128748's digits is 78
• More coming soon!