64774917990

Names of 64774917990

• Cardinal: 64774917990 can be written as Sixty-four billion, seven hundred seventy-four million, nine hundred seventeen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.477491799 × 10¹⁰

Factors of 64774917990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12503

Divisors of 64774917990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 5227 7247 10454 14494 15681 21741 26135 31362 36235 43482 47043 52270 65223 72470 78405 94086 99313 108705 130446 137693 156810 198626 217410 235215 275386 297939 326115 413079 470430 496565 595878 652230 688465 826158 893817 993130 1239237 1376930 1489695 1787634 2065395 2478474 2979390 4130790 4469085 6196185 8938170 12392370 37880069 75760138 113640207 189400345 227280414 340920621 378800690 568201035 681841242 719721311 1136402070 1439442622 1704603105 2159163933 3409206210 3598606555 4318327866 6477491799 7197213110 10795819665 12954983598 21591639330 32387458995 64774917990
• Sum of all divisors σ(n): 177337105920
• Sum of proper divisors (its aliquot sum) s(n): 112562187930
• 64774917990 is an abundant number, because the sum of its proper divisors (112562187930) is greater than itself. Its abundance is 47787269940

Bases of 64774917990

• Binary: 111100010100111000101100111101100110₂
• Hexadecimal: 0xF14E2CF66
• Base-36: TR9BALI

Squares and roots of 64774917990

• 64774917990 squared (64774917990²) is 4195790000611225640100
• 64774917990 cubed (64774917990³) is 271781953192854190710862755399000
• The square root of 64774917990 is 254509.1707385021
• The cube root of 64774917990 is 4016.0794013943

Scales and comparisons

• 64,774,917,990 seconds is equal to 2,059 years, 33 weeks, 2 days, 16 hours, 46 minutes, 30 seconds.
• To count from 1 to 64,774,917,990 would take you about four thousand, one hundred nineteen 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 64774917990 cubic inches would be around 334.7 feet tall.

Recreational maths with 64774917990

• 64774917990 backwards is 09971947746
• The number of decimal digits it has is: 11
• The sum of 64774917990's digits is 63
• More coming soon!