638953426477009

Names of 638953426477009

• Cardinal: 638953426477009 can be written as Six hundred thirty-eight trillion, nine hundred fifty-three billion, four hundred twenty-six million, four hundred seventy-seven thousand and nine.

Scientific notation

• Scientific notation: 6.38953426477009 × 10¹⁴

Factors of 638953426477009

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14190

Divisors of 638953426477009

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 67 79 469 553 811 1873 5293 5677 11353 13111 37051 54337 64069 79471 125491 147967 380359 448483 760651 878437 896887 1035769 1519003 4292623 5324557 6278209 9207283 9913789 10633021 21264169 30048361 60091429 64450981 69396523 101773201 120001237 148849183 420640003 616887961 712412407 727375357 840008659 1424699323 1679869351 4318215727 5091627499 8040082879 9972895261 11759085457 17245241059 48734148919 56280580153 112551246517 120716687413 341139042433 787858725619 1155431150953 1362374043661 8088018056671 9536618305627 91279060925287 638953426477009
• Sum of all divisors σ(n): 751905726423040
• Sum of proper divisors (its aliquot sum) s(n): 112952299946031
• 638953426477009 is a deficient number, because the sum of its proper divisors (112952299946031) is less than itself. Its deficiency is 526001126530978

Bases of 638953426477009

• Binary: 10010001010001111111110000000000110101111111010001₂
• Hexadecimal: 0x2451FF0035FD1
• Base-36: 6AHN5GU381

Squares and roots of 638953426477009

• 638953426477009 squared (638953426477009²) is 408261481206710545793205586081
• 638953426477009 cubed (638953426477009³) is 260860072315606718313830387487064066916911729
• The square root of 638953426477009 is 25277528.0926954763
• The cube root of 638953426477009 is 86130.3875080011

Scales and comparisons

• 638,953,426,477,009 seconds is equal to 20,316,742 years, 28 weeks, 3 days, 22 hours, 16 minutes, 49 seconds.
• To count from 1 to 638,953,426,477,009 would take you about fifty million, seven hundred ninety-one thousand, eight hundred fifty-six 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 638953426477009 cubic inches would be around 7177.5 feet tall.

Recreational maths with 638953426477009

• 638953426477009 backwards is 900774624359836
• The number of decimal digits it has is: 15
• The sum of 638953426477009's digits is 73
• More coming soon!