1378869824

Names of 1378869824

• Cardinal: 1378869824 can be written as One billion, three hundred seventy-eight million, eight hundred sixty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.378869824 × 10⁹

Factors of 1378869824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1671

Divisors of 1378869824

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 19 32 37 38 64 74 76 148 152 296 304 361 592 608 703 722 1184 1216 1406 1444 1613 2368 2812 2888 3226 5624 5776 6452 11248 11552 12904 13357 22496 23104 25808 26714 30647 44992 51616 53428 59681 61294 103232 106856 119362 122588 213712 238724 245176 427424 477448 490352 582293 854848 954896 980704 1133939 1164586 1909792 1961408 2267878 2329172 3819584 4535756 4658344 9071512 9316688 18143024 18633376 21544841 36286048 37266752 43089682 72572096 86179364 172358728 344717456 689434912 1378869824
• Sum of all divisors σ(n): 2967671484
• Sum of proper divisors (its aliquot sum) s(n): 1588801660
• 1378869824 is an abundant number, because the sum of its proper divisors (1588801660) is greater than itself. Its abundance is 209931836

Bases of 1378869824

• Binary: 1010010001011111110001001000000₂
• Hexadecimal: 0x522FE240
• Base-36: MSXYRK

Squares and roots of 1378869824

• 1378869824 squared (1378869824²) is 1901281991537790976
• 1378869824 cubed (1378869824³) is 2621620365046083332425908224
• The square root of 1378869824 is 37133.1364686583
• The cube root of 1378869824 is 1113.0322695415

Scales and comparisons

• 1,378,869,824 seconds is equal to 43 years, 43 weeks, 6 days, 3 hours, 23 minutes, 44 seconds.
• To count from 1 to 1,378,869,824 would take you about eighty-seven 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 1378869824 cubic inches would be around 92.8 feet tall.

Recreational maths with 1378869824

• 1378869824 backwards is 4289688731
• The number of decimal digits it has is: 10
• The sum of 1378869824's digits is 56
• More coming soon!