31919909868

Names of 31919909868

• Cardinal: 31919909868 can be written as Thirty-one billion, nine hundred nineteen million, nine hundred nine thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1919909868 × 10¹⁰

Factors of 31919909868

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 733

Divisors of 31919909868

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 79 84 98 99 108 121 126 132 147 154 158 189 196 198 231 237 242 252 294 297 308 316 363 378 396 441 462 474 484 539 553 588 594 631 693 711 726 756 847 869 882 924 948 1078 1089 1106 1188 1262 1323 1386 1422 1452 1617 1659 1694 1738 1764 1893 2079 2133 2156 2178 2212 2524 2541 2607 2646 2772 2844 3234 3267 3318 3388 3476 3786 3871 4158 4266 4356 4417 4851 4977 5082 5214 5292 5679 5929 6083 6468 6534 6636 6941 7572 7623 7742 7821 8316 8532 8834 9559 9702 9954 10164 10428 11358 11613 11858 12166 13068 13251 13882 14553 14931 15246 15484 15642 17037 17668 17787 18249 19118 19404 19908 20823 22716 22869 23226 23463 23716 24332 26502 27764 28677 29106 29862 30492 30919 31284 34074 34839 35574 36498 38236 39753 41646 42581 45738 46452 46926 48587 49849 53004 53361 54747 57354 58212 59724 61838 62469 66913 68148 69678 71148 72996 76351 79506 83292 85162 86031 91476 92757 93852 97174 99698 104517 106722 109494 114708 119259 123676 124938 127743 133826 139356 145761 149547 152702 159012 160083 164241 170324 172062 185514 187407 194348 199396 200739 209034 213444 218988 229053 238518 249876 255486 258093 267652 278271 291522 299094 305404 320166 328482 340109 344124 348943 371028 374814 383229 401478 418068 437283 448641 458106 468391 477036 510972 516186 534457 548339 556542 583044 598188 602217 640332 656964 680218 687159 697886 749628 766458 802956 834813 874566 897282 916212 936782 1020327 1032372 1046829 1068914 1096678 1113084 1149687 1204434 1311849 1345923 1360436 1374318 1395772 1405173 1532916 1603371 1645017 1669626 1749132 1794564 1806651 1873564 2040654 2061477 2093658 2137828 2193356 2299374 2408868 2442601 2623698 2691846 2748636 2810346 3060981 3140487 3206742 3290034 3339252 3613302 3741199 3838373 4081308 4122954 4187316 4215519 4598748 4810113 4885202 4935051 5247396 5383692 5620692 6031729 6121962 6280974 6413484 6580068 7226604 7327803 7482398 7676746 8245908 8431038 9182943 9421461 9620226 9770404 9870102 11223597 11515119 12063458 12243924 12561948 12646557 14430339 14655606 14805153 14964796 15353492 16862076 18095187 18365886 18842922 19240452 19740204 21983409 22447194 23030238 24126916 25293114 26868611 28860678 29311212 29610306 33670791 34545357 36190374 36731772 37685844 42222103 43966818 44894388 46060476 50586228 53737222 54285561 57721356 59220612 65950227 67341582 69090714 72380748 80605833 84444206 87933636 101012373 103636071 107474444 108571122 126666309 131900454 134683164 138181428 161211666 162856683 168888412 202024746 207272142 217142244 241817499 253332618 263800908 295554721 322423332 325713366 379998927 404049492 414544284 483634998 506665236 591109442 651426732 725452497 759997854 886664163 967269996 1139996781 1182218884 1450904994 1519995708 1773328326 2279993562 2659992489 2901809988 3546656652 4559987124 5319984978 7979977467 10639969956 15959954934 31919909868
• Sum of all divisors σ(n): 107322700800
• Sum of proper divisors (its aliquot sum) s(n): 75402790932
• 31919909868 is an abundant number, because the sum of its proper divisors (75402790932) is greater than itself. Its abundance is 43482881064

Bases of 31919909868

• Binary: 11101101110100100110010101111101100₂
• Hexadecimal: 0x76E932BEC
• Base-36: ENWAG30

Squares and roots of 31919909868

• 31919909868 squared (31919909868²) is 1018880645981243777424
• 31919909868 cubed (31919909868³) is 32522578385970917793909933220032
• The square root of 31919909868 is 178661.4392307417
• The cube root of 31919909868 is 3172.1512420021

Scales and comparisons

• 31,919,909,868 seconds is equal to 1,014 years, 49 weeks, 4 days, 9 hours, 37 minutes, 48 seconds.
• To count from 1 to 31,919,909,868 would take you about two thousand and twenty-nine 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 31919909868 cubic inches would be around 264.3 feet tall.

Recreational maths with 31919909868

• 31919909868 backwards is 86890991913
• 31919909868 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31919909868's digits is 63
• More coming soon!