1428879465

Names of 1428879465

• Cardinal: 1428879465 can be written as One billion, four hundred twenty-eight million, eight hundred seventy-nine thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.428879465 × 10⁹

Factors of 1428879465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1385

Divisors of 1428879465

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 39 43 45 65 117 129 195 215 387 559 585 645 1321 1677 1849 1935 2795 3963 5031 5547 6605 8385 9245 11889 16641 17173 19815 24037 25155 27735 51519 56803 59445 72111 83205 85865 120185 154557 170409 216333 257595 284015 360555 511227 738439 772785 852045 1081665 2215317 2442529 2556135 3692195 6645951 7327587 11076585 12212645 21982761 31752877 33229755 36637935 95258631 109913805 158764385 285775893 476293155 1428879465
• Sum of all divisors σ(n): 2732780232
• Sum of proper divisors (its aliquot sum) s(n): 1303900767
• 1428879465 is a deficient number, because the sum of its proper divisors (1303900767) is less than itself. Its deficiency is 124978698

Bases of 1428879465

• Binary: 1010101001010101111100001101001₂
• Hexadecimal: 0x552AF869
• Base-36: NMPUG9

Squares and roots of 1428879465

• 1428879465 squared (1428879465²) is 2041696525498686225
• 1428879465 cubed (1428879465³) is 2917338239046921631380869625
• The square root of 1428879465 is 37800.5220202049
• The cube root of 1428879465 is 1126.3288238801

Scales and comparisons

• 1,428,879,465 seconds is equal to 45 years, 22 weeks, 3 days, 22 hours, 57 minutes, 45 seconds.
• To count from 1 to 1,428,879,465 would take you about ninety 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 1428879465 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428879465

• 1428879465 backwards is 5649788241
• The number of decimal digits it has is: 10
• The sum of 1428879465's digits is 54
• More coming soon!