638113565012

Names of 638113565012

• Cardinal: 638113565012 can be written as Six hundred thirty-eight billion, one hundred thirteen million, five hundred sixty-five thousand and twelve.

Scientific notation

• Scientific notation: 6.38113565012 × 10¹¹

Factors of 638113565012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2022

Divisors of 638113565012

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 11 14 22 23 28 44 46 77 92 154 161 253 308 322 506 529 644 1012 1058 1771 1979 2116 3542 3703 3958 5819 7084 7406 7916 11638 13853 14812 21769 23276 27706 40733 43538 45517 55412 81466 87076 91034 152383 162932 182068 304766 318619 500687 609532 637238 1001374 1046891 1274476 2002748 2093782 3504809 3916441 4187564 7009618 7328237 7832882 11515801 14019236 14656474 15665764 23031602 27415087 29312948 43080851 46063204 54830174 80610607 86161702 90078143 109660348 161221214 172323404 180156286 301565957 322442428 360312572 603131914 630547001 990859573 1206263828 1261094002 1981719146 2071797289 2522188004 3963438292 4143594578 6936017011 8287189156 13872034022 14502581023 22789770179 27744068044 29005162046 45579540358 58010324092 91159080716 159528391253 319056782506 638113565012
• Sum of all divisors σ(n): 1456147938336
• Sum of proper divisors (its aliquot sum) s(n): 818034373324
• 638113565012 is an abundant number, because the sum of its proper divisors (818034373324) is greater than itself. Its abundance is 179920808312

Bases of 638113565012

• Binary: 1001010010010010100010000100100101010100₂
• Hexadecimal: 0x9492884954
• Base-36: 8558C9XW

Squares and roots of 638113565012

• 638113565012 squared (638113565012²) is 407188921852323950560144
• 638113565012 cubed (638113565012³) is 259832774556579106689045122160081728
• The square root of 638113565012 is 798820.1080418545
• The cube root of 638113565012 is 8609.2633420401

Scales and comparisons

• 638,113,565,012 seconds is equal to 20,290 years, 1 week, 6 days, 16 hours, 3 minutes, 32 seconds.
• To count from 1 to 638,113,565,012 would take you about forty thousand, five hundred eighty 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 638113565012 cubic inches would be around 717.4 feet tall.

Recreational maths with 638113565012

• 638113565012 backwards is 210565311836
• The number of decimal digits it has is: 12
• The sum of 638113565012's digits is 41
• More coming soon!