1345445478

Names of 1345445478

• Cardinal: 1345445478 can be written as One billion, three hundred forty-five million, four hundred forty-five thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.345445478 × 10⁹

Factors of 1345445478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1682

Divisors of 1345445478

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 601 702 1053 1063 1202 1803 2106 2126 3189 3606 5409 6378 7813 9567 10818 13819 15626 16227 19134 23439 27638 28701 32454 41457 46878 48681 57402 70317 82914 86103 97362 124371 140634 172206 210951 248742 373113 421902 632853 638863 746226 1119339 1265706 1277726 1916589 2238678 3833178 5749767 8305219 11499534 16610438 17249301 24915657 34498602 49831314 51747903 74746971 103495806 149493942 224240913 448481826 672722739 1345445478
• Sum of all divisors σ(n): 3255163296
• Sum of proper divisors (its aliquot sum) s(n): 1909717818
• 1345445478 is an abundant number, because the sum of its proper divisors (1909717818) is greater than itself. Its abundance is 564272340

Bases of 1345445478

• Binary: 1010000001100011101111001100110₂
• Hexadecimal: 0x5031DE66
• Base-36: M91KDI

Squares and roots of 1345445478

• 1345445478 squared (1345445478²) is 1810223534270648484
• 1345445478 cubed (1345445478³) is 2435557068353622030925355352
• The square root of 1345445478 is 36680.3145842563
• The cube root of 1345445478 is 1103.9651601719

Scales and comparisons

• 1,345,445,478 seconds is equal to 42 years, 40 weeks, 4 days, 6 hours, 51 minutes, 18 seconds.
• To count from 1 to 1,345,445,478 would take you about eighty-five 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 1345445478 cubic inches would be around 92 feet tall.

Recreational maths with 1345445478

• 1345445478 backwards is 8745445431
• The number of decimal digits it has is: 10
• The sum of 1345445478's digits is 45
• More coming soon!