3977905428

Names of 3977905428

• Cardinal: 3977905428 can be written as Three billion, nine hundred seventy-seven million, nine hundred five thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.977905428 × 10⁹

Factors of 3977905428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12528

Divisors of 3977905428

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1423 2846 4269 5692 8538 9961 11093 12807 17076 19922 22186 25614 29883 33279 39844 44372 51228 59766 66558 77651 89649 99837 119532 133116 155302 179298 199674 232953 310604 358596 399348 465906 698859 931812 1397718 2795436 15785339 31570678 47356017 63141356 94712034 110497373 142068051 189424068 220994746 284136102 331492119 441989492 568272204 662984238 994476357 1325968476 1988952714 3977905428
• Sum of all divisors σ(n): 11500839168
• Sum of proper divisors (its aliquot sum) s(n): 7522933740
• 3977905428 is an abundant number, because the sum of its proper divisors (7522933740) is greater than itself. Its abundance is 3545028312

Bases of 3977905428

• Binary: 11101101000110100000010100010100₂
• Hexadecimal: 0xED1A0514
• Base-36: 1TSCBH0

Squares and roots of 3977905428

• 3977905428 squared (3977905428²) is 15823731594111863184
• 3977905428 cubed (3977905428³) is 62945307799432673398826962752
• The square root of 3977905428 is 63070.6383985447
• The cube root of 3977905428 is 1584.4729084225

Scales and comparisons

• 3,977,905,428 seconds is equal to 126 years, 25 weeks, 1 day, 13 hours, 43 minutes, 48 seconds.
• To count from 1 to 3,977,905,428 would take you about two hundred fifty-two 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 3977905428 cubic inches would be around 132 feet tall.

Recreational maths with 3977905428

• 3977905428 backwards is 8245097793
• The number of decimal digits it has is: 10
• The sum of 3977905428's digits is 54
• More coming soon!