1390451568

Names of 1390451568

• Cardinal: 1390451568 can be written as One billion, three hundred ninety million, four hundred fifty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.390451568 × 10⁹

Factors of 1390451568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1977

Divisors of 1390451568

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 33 44 46 48 61 66 69 88 92 122 132 138 176 183 184 244 253 264 276 366 368 488 506 528 552 671 732 759 976 1012 1104 1342 1403 1464 1518 1877 2013 2024 2684 2806 2928 3036 3754 4026 4048 4209 5368 5612 5631 6072 7508 8052 8418 10736 11224 11262 12144 15016 15433 16104 16836 20647 22448 22524 30032 30866 32208 33672 41294 43171 45048 46299 61732 61941 67344 82588 86342 90096 92598 114497 123464 123882 129513 165176 172684 185196 228994 246928 247764 259026 330352 343491 345368 370392 457988 474881 495528 518052 686982 690736 740784 915976 949762 991056 1036104 1259467 1373964 1424643 1831952 1899524 2072208 2518934 2633431 2747928 2849286 3778401 3799048 5037868 5266862 5495856 5698572 7556802 7598096 7900293 10075736 10533724 11397144 15113604 15800586 20151472 21067448 22794288 28967741 30227208 31601172 42134896 57935482 60454416 63202344 86903223 115870964 126404688 173806446 231741928 347612892 463483856 695225784 1390451568
• Sum of all divisors σ(n): 4158162432
• Sum of proper divisors (its aliquot sum) s(n): 2767710864
• 1390451568 is an abundant number, because the sum of its proper divisors (2767710864) is greater than itself. Its abundance is 1377259296

Bases of 1390451568

• Binary: 1010010111000001001101101110000₂
• Hexadecimal: 0x52E09B70
• Base-36: MZU7AO

Squares and roots of 1390451568

• 1390451568 squared (1390451568²) is 1933355562953658624
• 1390451568 cubed (1390451568³) is 2688237274010437345077522432
• The square root of 1390451568 is 37288.7592713943
• The cube root of 1390451568 is 1116.1398701887

Scales and comparisons

• 1,390,451,568 seconds is equal to 44 years, 11 weeks, 4 hours, 32 minutes, 48 seconds.
• To count from 1 to 1,390,451,568 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 1390451568 cubic inches would be around 93 feet tall.

Recreational maths with 1390451568

• 1390451568 backwards is 8651540931
• The number of decimal digits it has is: 10
• The sum of 1390451568's digits is 42
• More coming soon!