1390649799

Names of 1390649799

• Cardinal: 1390649799 can be written as One billion, three hundred ninety million, six hundred forty-nine thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 1.390649799 × 10⁹

Factors of 1390649799

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 988

Divisors of 1390649799

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 11 21 33 43 77 129 191 231 301 473 573 733 903 1337 1419 2101 2199 3311 4011 5131 6303 8063 8213 9933 14707 15393 24189 24639 31519 44121 56441 57491 90343 94557 140003 169323 172473 220633 271029 346709 420009 632401 661899 980021 1040127 1540033 1897203 2426963 2940063 4620099 6020129 7280889 10780231 18060387 32340693 42140903 66221419 126422709 198664257 463549933 1390649799
• Sum of all divisors σ(n): 2381119488
• Sum of proper divisors (its aliquot sum) s(n): 990469689
• 1390649799 is a deficient number, because the sum of its proper divisors (990469689) is less than itself. Its deficiency is 400180110

Bases of 1390649799

• Binary: 1010010111000111010000111000111₂
• Hexadecimal: 0x52E3A1C7
• Base-36: MZYG93

Squares and roots of 1390649799

• 1390649799 squared (1390649799²) is 1933906863458740401
• 1390649799 cubed (1390649799³) is 2689387190953617783443829399
• The square root of 1390649799 is 37291.4172297059
• The cube root of 1390649799 is 1116.1929088357

Scales and comparisons

• 1,390,649,799 seconds is equal to 44 years, 11 weeks, 2 days, 11 hours, 36 minutes, 39 seconds.
• To count from 1 to 1,390,649,799 would take you about eighty-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 1390649799 cubic inches would be around 93 feet tall.

Recreational maths with 1390649799

• 1390649799 backwards is 9979460931
• The number of decimal digits it has is: 10
• The sum of 1390649799's digits is 57
• More coming soon!