64137905390

Names of 64137905390

• Cardinal: 64137905390 can be written as Sixty-four billion, one hundred thirty-seven million, nine hundred five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 6.413790539 × 10¹⁰

Factors of 64137905390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8338

Divisors of 64137905390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 13 26 29 31 58 62 65 67 130 134 145 155 290 310 335 377 403 670 754 806 871 899 1742 1798 1885 1943 2015 2077 3770 3886 4030 4154 4355 4495 8191 8710 8990 9715 10385 11687 16382 19430 20770 23374 25259 27001 40955 50518 54002 58435 60233 81910 106483 116870 120466 126295 135005 212966 237539 252590 253921 270010 301165 475078 507842 532415 548797 602330 783029 1064830 1097594 1187695 1269605 1566058 2375390 2539210 2743985 3088007 3300973 3915145 5487970 6176014 6601946 7134361 7363709 7830290 14268722 14727418 15440035 15915113 16504865 17012707 30880070 31830226 33009730 34025414 35671805 36818545 71343610 73637090 79575565 85063535 95728217 159151130 170127070 191456434 206896469 221165191 413792938 442330382 478641085 493368503 957282170 986737006 1034482345 1105825955 2068964690 2211651910 2466842515 4933685030 6413790539 12827581078 32068952695 64137905390
• Sum of all divisors σ(n): 134762987520
• Sum of proper divisors (its aliquot sum) s(n): 70625082130
• 64137905390 is an abundant number, because the sum of its proper divisors (70625082130) is greater than itself. Its abundance is 6487176740

Bases of 64137905390

• Binary: 111011101110111010101100010011101110₂
• Hexadecimal: 0xEEEEAC4EE
• Base-36: TGQ1WJ2

Squares and roots of 64137905390

• 64137905390 squared (64137905390²) is 4113670907816591052100
• 64137905390 cubed (64137905390³) is 263842235491135928371910360819000
• The square root of 64137905390 is 253254.6256043511
• The cube root of 64137905390 is 4002.8709678513

Scales and comparisons

• 64,137,905,390 seconds is equal to 2,039 years, 20 weeks, 20 hours, 49 minutes, 50 seconds.
• To count from 1 to 64,137,905,390 would take you about four thousand and seventy-eight 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 64137905390 cubic inches would be around 333.6 feet tall.

Recreational maths with 64137905390

• 64137905390 backwards is 09350973146
• The number of decimal digits it has is: 11
• The sum of 64137905390's digits is 47
• More coming soon!