31296145920

Names of 31296145920

• Cardinal: 31296145920 can be written as Thirty-one billion, two hundred ninety-six million, one hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.129614592 × 10¹⁰

Factors of 31296145920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 18479

Divisors of 31296145920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 32 34 39 40 48 51 52 60 64 65 68 78 80 85 96 102 104 120 128 130 136 156 160 170 192 195 204 208 221 240 255 256 260 272 312 320 340 384 390 408 416 442 480 510 512 520 544 624 640 663 680 768 780 816 832 884 960 1020 1040 1088 1105 1248 1280 1326 1360 1536 1560 1632 1664 1768 1920 2040 2080 2176 2210 2496 2560 2652 2720 3120 3264 3315 3328 3536 3840 4080 4160 4352 4420 4992 5304 5440 6240 6528 6630 6656 7072 7680 8160 8320 8704 8840 9984 10608 10880 12480 13056 13260 14144 16320 16640 17680 18439 19968 21216 21760 24960 26112 26520 28288 32640 33280 35360 36878 42432 43520 49920 53040 55317 56576 65280 70720 73756 84864 92195 99840 106080 110634 113152 130560 141440 147512 169728 184390 212160 221268 239707 276585 282880 295024 313463 339456 368780 424320 442536 479414 553170 565760 590048 626926 719121 737560 848640 885072 940389 958828 1106340 1180096 1198535 1253852 1438242 1475120 1567315 1697280 1770144 1880778 1917656 2212680 2360192 2397070 2507704 2876484 2950240 3134630 3540288 3595605 3761556 3835312 4075019 4425360 4701945 4720384 4794140 5015408 5752968 5900480 6269260 7080576 7191210 7523112 7670624 8150038 8850720 9403890 9440768 9588280 10030816 11505936 11800960 12225057 12538520 14161152 14382420 15046224 15341248 16300076 17701440 18807780 19176560 20061632 20375095 23011872 23601920 24450114 25077040 28322304 28764840 30092448 30682496 32600152 35402880 37615560 38353120 40123264 40750190 46023744 47203840 48900228 50154080 57529680 60184896 61125285 61364992 65200304 70805760 75231120 76706240 80246528 81500380 92047488 97800456 100308160 115059360 120369792 122250570 122729984 130400608 141611520 150462240 153412480 160493056 163000760 184094976 195600912 200616320 230118720 240739584 244501140 260801216 300924480 306824960 326001520 368189952 391201824 401232640 460237440 481479168 489002280 521602432 601848960 613649920 652003040 782403648 802465280 920474880 978004560 1043204864 1203697920 1304006080 1564807296 1840949760 1956009120 2086409728 2407395840 2608012160 3129614592 3912018240 5216024320 6259229184 7824036480 10432048640 15648072960 31296145920
• Sum of all divisors σ(n): 114090197760
• Sum of proper divisors (its aliquot sum) s(n): 82794051840
• 31296145920 is an abundant number, because the sum of its proper divisors (82794051840) is greater than itself. Its abundance is 51497905920

Bases of 31296145920

• Binary: 11101001001011001010100101000000000₂
• Hexadecimal: 0x749654A00
• Base-36: EDKX0QO

Squares and roots of 31296145920

• 31296145920 squared (31296145920²) is 979448749445932646400
• 31296145920 cubed (31296145920³) is 30652970983821427252226162688000
• The square root of 31296145920 is 176907.1675201429
• The cube root of 31296145920 is 3151.3522679763

Scales and comparisons

• 31,296,145,920 seconds is equal to 995 years, 6 weeks, 1 day, 21 hours, 52 minutes.
• To count from 1 to 31,296,145,920 would take you about one thousand, nine hundred ninety 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 31296145920 cubic inches would be around 262.6 feet tall.

Recreational maths with 31296145920

• 31296145920 backwards is 02954169213
• The number of decimal digits it has is: 11
• The sum of 31296145920's digits is 42
• More coming soon!