31428736865865

Names of 31428736865865

• Cardinal: 31428736865865 can be written as Thirty-one trillion, four hundred twenty-eight billion, seven hundred thirty-six million, eight hundred sixty-five thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 3.1428736865865 × 10¹³

Factors of 31428736865865

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3277

Divisors of 31428736865865

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 15 23 45 53 69 115 159 207 265 345 397 477 683 795 1035 1191 1219 1985 2049 2113 2385 3415 3573 3657 5955 6095 6147 6339 9131 10245 10565 10971 15709 17865 18285 19017 21041 27393 30735 31695 36199 45655 47127 48599 54855 63123 78545 82179 95085 105205 108597 111989 136965 141381 145797 180995 189369 235635 242995 271151 315615 325791 335967 410895 437391 483943 542985 559945 706905 728985 813453 832577 838861 946845 1007901 1355755 1443179 1451829 1628955 1679835 2186955 2419715 2440359 2497731 2516583 2575747 4067265 4162885 4194305 4329537 4355487 5039505 6236473 7215895 7259145 7493193 7549749 7727241 12201795 12488655 12582915 12878735 12988611 14371003 18709419 19293803 21647685 21777435 23181723 31182365 33193117 37465965 37748745 38636205 43113009 44459633 56128257 57881409 64943055 71855015 76488487 93547095 96469015 99579351 115908615 129339027 133378899 165965585 173644227 215565045 222298165 229465461 280641285 289407045 298738053 330533069 382442435 400136697 497896755 572942063 646695135 666894495 688396383 868221135 991599207 1022571559 1147327305 1493690265 1652665345 1718826189 1759235201 2000683485 2864710315 2974797621 3067714677 3441981915 4957996035 5112857795 5156478567 5277705603 8594130945 8796176005 9203144031 13177667449 14873988105 15338573385 15833116809 25782392835 26388528015 30365929339 39533002347 46015720155 65888337245 79165584045 91097788017 118599007041 151829646695 197665011735 273293364051 455488940085 592995035205 698416374797 1366466820255 2095249124391 3492081873985 6285747373173 10476245621955 31428736865865
• Sum of all divisors σ(n): 58175987111424
• Sum of proper divisors (its aliquot sum) s(n): 26747250245559
• 31428736865865 is a deficient number, because the sum of its proper divisors (26747250245559) is less than itself. Its deficiency is 4681486620306

Bases of 31428736865865

• Binary: 111001001010110010010101100100101011001001001₂
• Hexadecimal: 0x1C9592B25649
• Base-36: B525UGPC9

Squares and roots of 31428736865865

• 31428736865865 squared (31428736865865²) is 987765500983781743002198225
• 31428736865865 cubed (31428736865865³) is 31044222015598592191758114337791966089625
• The square root of 31428736865865 is 5606133.8608585685
• The cube root of 31428736865865 is 31557.9639433097

Scales and comparisons

• 31,428,736,865,865 seconds is equal to 999,336 years, 32 weeks, 12 hours, 57 minutes, 45 seconds.
• To count from 1 to 31,428,736,865,865 would take you about two million, four hundred ninety-eight thousand, three hundred forty-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 31428736865865 cubic inches would be around 2629.8 feet tall.

Recreational maths with 31428736865865

• 31428736865865 backwards is 56856863782413
• The number of decimal digits it has is: 14
• The sum of 31428736865865's digits is 72
• More coming soon!