1389516816

Names of 1389516816

• Cardinal: 1389516816 can be written as One billion, three hundred eighty-nine million, five hundred sixteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.389516816 × 10⁹

Factors of 1389516816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4958

Divisors of 1389516816

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 331 456 662 912 993 1324 1986 2648 3972 4603 5296 6289 7944 9206 12578 13809 15888 18412 18867 25156 27618 36824 37734 50312 55236 73648 75468 87457 100624 110472 150936 174914 220944 262371 301872 349828 524742 699656 1049484 1399312 1523593 2098968 3047186 4197936 4570779 6094372 9141558 12188744 18283116 24377488 28948267 36566232 57896534 73132464 86844801 115793068 173689602 231586136 347379204 463172272 694758408 1389516816
• Sum of all divisors σ(n): 3790749440
• Sum of proper divisors (its aliquot sum) s(n): 2401232624
• 1389516816 is an abundant number, because the sum of its proper divisors (2401232624) is greater than itself. Its abundance is 1011715808

Bases of 1389516816

• Binary: 1010010110100100101100000010000₂
• Hexadecimal: 0x52D25810
• Base-36: MZA61C

Squares and roots of 1389516816

• 1389516816 squared (1389516816²) is 1930756981946777856
• 1389516816 cubed (1389516816³) is 2682819294024456247928426496
• The square root of 1389516816 is 37276.2231992459
• The cube root of 1389516816 is 1115.8897001765

Scales and comparisons

• 1,389,516,816 seconds is equal to 44 years, 9 weeks, 3 days, 8 hours, 53 minutes, 36 seconds.
• To count from 1 to 1,389,516,816 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 1389516816 cubic inches would be around 93 feet tall.

Recreational maths with 1389516816

• 1389516816 backwards is 6186159831
• 1389516816 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1389516816's digits is 48
• More coming soon!