31478091008

Names of 31478091008

• Cardinal: 31478091008 can be written as Thirty-one billion, four hundred seventy-eight million, ninety-one thousand and eight.

Scientific notation

• Scientific notation: 3.1478091008 × 10¹⁰

Factors of 31478091008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 238

Divisors of 31478091008

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 64 76 91 104 112 128 133 152 182 197 208 224 247 256 266 304 361 364 394 416 448 494 532 608 722 728 788 832 896 988 1064 1216 1379 1444 1456 1576 1664 1729 1792 1976 2128 2432 2527 2561 2758 2888 2912 3152 3328 3458 3743 3952 4256 4693 4864 5054 5122 5516 5776 5824 6304 6859 6916 7486 7904 8512 9386 10108 10244 11032 11552 11648 12608 13718 13832 14972 15808 17024 17927 18772 20216 20488 22064 23104 23296 25216 26201 27436 27664 29944 31616 32851 34048 35854 37544 40432 40976 44128 46208 48013 48659 50432 52402 54872 55328 59888 63232 65702 71117 71708 75088 80864 81952 88256 89167 92416 96026 97318 104804 109744 110656 119776 131404 142234 143416 150176 161728 163904 176512 178334 192052 194636 209608 219488 221312 239552 262808 284468 286832 300352 323456 327808 340613 353024 356668 384104 389272 419216 438976 442624 479104 497819 525616 568936 573664 600704 624169 646912 655616 681226 713336 768208 778544 838432 877952 924521 958208 995638 1051232 1137872 1147328 1201408 1248338 1351223 1362452 1426672 1536416 1557088 1676864 1755904 1849042 1991276 2102464 2275744 2294656 2496676 2702446 2724904 2853344 3072832 3114176 3353728 3698084 3982552 4204928 4551488 4589312 4993352 5404892 5449808 5706688 6145664 6228352 6471647 6707456 7396168 7965104 8409856 9102976 9458561 9986704 10809784 10899616 11413376 12291328 12456704 12943294 14792336 15930208 17565899 18205952 18917122 19973408 21619568 21799232 22826752 25886588 29584672 31860416 35131798 37834244 39946816 43239136 43598464 51773176 59169344 63720832 70263596 75668488 79893632 86478272 87196928 103546352 118338688 122961293 127441664 140527192 151336976 159787264 172956544 207092704 236677376 245922586 281054384 302673952 345913088 414185408 491845172 562108768 605347904 828370816 983690344 1124217536 1210695808 1656741632 1967380688 2248435072 2421391616 3934761376 4496870144 7869522752 15739045504 31478091008
• Sum of all divisors σ(n): 82043216640
• Sum of proper divisors (its aliquot sum) s(n): 50565125632
• 31478091008 is an abundant number, because the sum of its proper divisors (50565125632) is greater than itself. Its abundance is 19087034624

Bases of 31478091008

• Binary: 11101010100001111011000110100000000₂
• Hexadecimal: 0x7543D8D00
• Base-36: EGL8QGW

Squares and roots of 31478091008

• 31478091008 squared (31478091008²) is 990870213507930456064
• 31478091008 cubed (31478091008³) is 31190702757919025825717537472512
• The square root of 31478091008 is 177420.6611643639
• The cube root of 31478091008 is 3157.4474328617

Scales and comparisons

• 31,478,091,008 seconds is equal to 1,000 years, 47 weeks, 18 hours, 10 minutes, 8 seconds.
• To count from 1 to 31,478,091,008 would take you about two thousand and one 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 31478091008 cubic inches would be around 263.1 feet tall.

Recreational maths with 31478091008

• 31478091008 backwards is 80019087413
• The number of decimal digits it has is: 11
• The sum of 31478091008's digits is 41
• More coming soon!