12807920444

Names of 12807920444

• Cardinal: 12807920444 can be written as Twelve billion, eight hundred seven million, nine hundred twenty thousand, four hundred forty-four.

Scientific notation

• Scientific notation: 1.2807920444 × 10¹⁰

Factors of 12807920444

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 100

Divisors of 12807920444

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 19 22 31 37 38 44 62 74 76 124 148 209 341 361 407 418 589 682 703 722 814 836 1147 1178 1364 1369 1406 1444 1628 2294 2356 2738 2812 3971 4588 5476 6479 6859 7733 7942 11191 12617 12958 13357 13718 15059 15466 15884 21793 22382 25234 25916 26011 26714 27436 30118 30932 42439 43586 44764 50468 52022 53428 60236 75449 84878 87172 104044 123101 146927 150898 169756 212629 239723 246202 253783 286121 293854 301796 414067 425258 466829 479446 492404 494209 507566 572242 587708 806341 828134 850516 933658 958892 988418 1015132 1144484 1612682 1656268 1867316 1976836 2338919 2791613 3225364 4554737 4677838 5436299 5583226 7867273 8869751 9109474 9355676 9389971 10872598 11166452 15320479 15734546 17739502 18218948 18779942 21745196 30640958 31469092 35479004 37559884 61281916 86540003 103289681 168525269 173080006 206579362 291089101 337050538 346160012 413158724 582178202 674101076 1164356404 3201980111 6403960222 12807920444
• Sum of all divisors σ(n): 27381795840
• Sum of proper divisors (its aliquot sum) s(n): 14573875396
• 12807920444 is an abundant number, because the sum of its proper divisors (14573875396) is greater than itself. Its abundance is 1765954952

Bases of 12807920444

• Binary: 1011111011011010010101101100111100₂
• Hexadecimal: 0x2FB695B3C
• Base-36: 5VTI6NW

Squares and roots of 12807920444

• 12807920444 squared (12807920444²) is 164042826099833157136
• 12807920444 cubed (12807920444³) is 2101047466095589878271238888384
• The square root of 12807920444 is 113172.0833244665
• The cube root of 12807920444 is 2339.6965810593

Scales and comparisons

• 12,807,920,444 seconds is equal to 407 years, 13 weeks, 19 hours, 40 minutes, 44 seconds.
• To count from 1 to 12,807,920,444 would take you about eight hundred fourteen 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 12807920444 cubic inches would be around 195 feet tall.

Recreational maths with 12807920444

• 12807920444 backwards is 44402970821
• The number of decimal digits it has is: 11
• The sum of 12807920444's digits is 41
• More coming soon!