1321957530

Names of 1321957530

• Cardinal: 1321957530 can be written as One billion, three hundred twenty-one million, nine hundred fifty-seven thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.32195753 × 10⁹

Factors of 1321957530

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12390

Divisors of 1321957530

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 409 818 1227 2045 2454 3681 4090 6135 7362 11043 11971 12270 18405 22086 23942 35913 36810 55215 59855 71826 107739 110430 119710 179565 215478 323217 359130 538695 646434 1077390 1616085 3232170 4896139 9792278 14688417 24480695 29376834 44065251 48961390 73442085 88130502 132195753 146884170 220326255 264391506 440652510 660978765 1321957530
• Sum of all divisors σ(n): 3534134400
• Sum of proper divisors (its aliquot sum) s(n): 2212176870
• 1321957530 is an abundant number, because the sum of its proper divisors (2212176870) is greater than itself. Its abundance is 890219340

Bases of 1321957530

• Binary: 1001110110010110111100010011010₂
• Hexadecimal: 0x4ECB789A
• Base-36: LV24YI

Squares and roots of 1321957530

• 1321957530 squared (1321957530²) is 1747571711123700900
• 1321957530 cubed (1321957530³) is 2310215582734961166222777000
• The square root of 1321957530 is 36358.7338888471
• The cube root of 1321957530 is 1097.5032988867

Scales and comparisons

• 1,321,957,530 seconds is equal to 42 years, 1 week, 5 days, 10 hours, 25 minutes, 30 seconds.
• To count from 1 to 1,321,957,530 would take you about eighty-four 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 1321957530 cubic inches would be around 91.5 feet tall.

Recreational maths with 1321957530

• 1321957530 backwards is 0357591231
• The number of decimal digits it has is: 10
• The sum of 1321957530's digits is 36
• More coming soon!