31818189312

Names of 31818189312

• Cardinal: 31818189312 can be written as Thirty-one billion, eight hundred eighteen million, one hundred eighty-nine thousand, three hundred twelve.

Scientific notation

• Scientific notation: 3.1818189312 × 10¹⁰

Factors of 31818189312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 8456

Divisors of 31818189312

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 78 81 84 91 96 104 108 112 117 126 128 144 156 162 168 182 189 192 208 216 224 234 252 256 273 288 312 324 336 351 364 378 384 416 432 448 468 504 512 546 567 576 624 648 672 702 728 756 768 819 832 864 896 936 1008 1053 1092 1134 1152 1248 1296 1344 1404 1456 1512 1536 1638 1664 1728 1792 1872 2016 2106 2184 2268 2304 2457 2496 2592 2688 2808 2912 3024 3276 3328 3456 3584 3744 4032 4212 4368 4536 4608 4914 4992 5184 5376 5616 5824 6048 6552 6656 6912 7371 7488 8064 8424 8431 8736 9072 9828 9984 10368 10752 11232 11648 12096 13104 13824 14742 14976 16128 16848 16862 17472 18144 19656 19968 20736 22464 23296 24192 25293 26208 29484 29952 32256 33696 33724 34944 36288 39312 41472 44928 46592 48384 50586 52416 58968 59017 59904 67392 67448 69888 72576 75879 78624 89856 96768 101172 104832 109603 117936 118034 134784 134896 139776 145152 151758 157248 177051 179712 202344 209664 219206 227637 235872 236068 269568 269792 290304 303516 314496 328809 354102 404688 419328 438412 455274 471744 472136 531153 539136 539584 607032 628992 657618 682911 708204 767221 809376 876824 910548 943488 944272 986427 1062306 1079168 1214064 1257984 1315236 1365822 1416408 1534442 1593459 1618752 1753648 1821096 1886976 1888544 1972854 2124612 2158336 2301663 2428128 2630472 2731644 2832816 2959281 3068884 3186918 3237504 3507296 3642192 3773952 3777088 3945708 4249224 4316672 4603326 4780377 4856256 5260944 5463288 5665632 5918562 6137768 6373836 6475008 6904989 7014592 7284384 7554176 7891416 8498448 8877843 9206652 9560754 9712512 10521888 10926576 11331264 11837124 12275536 12747672 12950016 13809978 14029184 14568768 15108352 15782832 16996896 17755686 18413304 19121508 19425024 20714967 21043776 21853152 22662528 23674248 24551072 25495344 27619956 28058368 29137536 30216704 31565664 33993792 35511372 36826608 38243016 38850048 41429934 42087552 43706304 45325056 47348496 49102144 50990688 55239912 56116736 58275072 62144901 63131328 67987584 71022744 73653216 76486032 82859868 84175104 87412608 90650112 94696992 98204288 101981376 110479824 116550144 124289802 126262656 135975168 142045488 147306432 152972064 165719736 168350208 174825216 189393984 196408576 203962752 220959648 248579604 252525312 271950336 284090976 294612864 305944128 331439472 349650432 378787968 392817152 407925504 441919296 497159208 505050624 568181952 589225728 611888256 662878944 757575936 815851008 883838592 994318416 1136363904 1178451456 1223776512 1325757888 1515151872 1767677184 1988636832 2272727808 2447553024 2651515776 3535354368 3977273664 4545455616 5303031552 7954547328 10606063104 15909094656 31818189312
• Sum of all divisors σ(n): 116898684672
• Sum of proper divisors (its aliquot sum) s(n): 85080495360
• 31818189312 is an abundant number, because the sum of its proper divisors (85080495360) is greater than itself. Its abundance is 53262306048

Bases of 31818189312

• Binary: 11101101000100000110000101000000000₂
• Hexadecimal: 0x768830A00
• Base-36: EM7Q800

Squares and roots of 31818189312

• 31818189312 squared (31818189312²) is 1012397171094271033344
• 31818189312 cubed (31818189312³) is 32212644848810769937577256419328
• The square root of 31818189312 is 178376.5380087863
• The cube root of 31818189312 is 3168.7780458145

Scales and comparisons

• 31,818,189,312 seconds is equal to 1,011 years, 37 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 31,818,189,312 would take you about two thousand and twenty-three 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 31818189312 cubic inches would be around 264.1 feet tall.

Recreational maths with 31818189312

• 31818189312 backwards is 21398181813
• The number of decimal digits it has is: 11
• The sum of 31818189312's digits is 45
• More coming soon!