31890028268021

Names of 31890028268021

• Cardinal: 31890028268021 can be written as Thirty-one trillion, eight hundred ninety billion, twenty-eight million, two hundred sixty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 3.1890028268021 × 10¹³

Factors of 31890028268021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 128

Divisors of 31890028268021

• Number of divisors d(n): 100
• Complete list of divisors:
  1 7 11 31 49 77 79 217 341 343 539 553 869 1519 2387 2401 2449 3773 3871 6083 6241 10633 16709 17143 26411 26939 27097 42581 43687 68651 74431 116963 120001 188573 189679 193471 298067 305809 480557 493039 818741 840007 1320011 1354297 2086469 2128181 2140663 3363899 3451273 5423429 5880049 9240077 9480079 14897267 14984641 15284209 23547293 24158911 37964003 38950081 64680539 66360553 104280869 106989463 164831051 168126299 169112377 265748021 272650567 428450891 464523871 729966083 748926241 1176884093 1183786639 1207452511 1860236147 1908553969 2999156237 5109762581 5242483687 8238188651 8452167577 13021653029 13281977621 13359877783 20994093659 36697385809 57667320557 59165173039 92973843347 93519144481 146958655613 403671243899 414156211273 650816903429 1028710589291 2899093478911 4555718324003 31890028268021
• Sum of all divisors σ(n): 42431187548544
• Sum of proper divisors (its aliquot sum) s(n): 10541159280523
• 31890028268021 is a deficient number, because the sum of its proper divisors (10541159280523) is less than itself. Its deficiency is 21348868987498

Bases of 31890028268021

• Binary: 111010000000011111001110011101000100111110101₂
• Hexadecimal: 0x1D00F9CE89F5
• Base-36: BAY2RGD85

Squares and roots of 31890028268021

• 31890028268021 squared (31890028268021²) is 1016973902935178461011256441
• 31890028268021 cubed (31890028268021³) is 32431326512442485745235342517368310573261
• The square root of 31890028268021 is 5647125.6642668223
• The cube root of 31890028268021 is 31711.6107057055

Scales and comparisons

• 31,890,028,268,021 seconds is equal to 1,014,004 years, 13 weeks, 2 days, 9 hours, 33 minutes, 41 seconds.
• To count from 1 to 31,890,028,268,021 would take you about two million, five hundred thirty-five thousand and ten 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 31890028268021 cubic inches would be around 2642.6 feet tall.

Recreational maths with 31890028268021

• 31890028268021 backwards is 12086282009813
• The number of decimal digits it has is: 14
• The sum of 31890028268021's digits is 50
• More coming soon!