139779007784

Names of 139779007784

• Cardinal: 139779007784 can be written as One hundred thirty-nine billion, seven hundred seventy-nine million, seven thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.39779007784 × 10¹¹

Factors of 139779007784

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 677

Divisors of 139779007784

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 26 52 61 104 122 244 488 601 793 1202 1586 2404 3172 3721 4808 6344 7442 7813 14884 15626 29768 31252 36661 48373 62504 73322 96746 146644 193492 293288 361201 386984 476593 722402 953186 1444804 1906372 2236321 2889608 3812744 4472642 4695613 8945284 9391226 17890568 18782452 22033261 29072173 37564904 44066522 58144346 88133044 116288692 176266088 232577384 286432393 572864786 1145729572 1344028921 2291459144 2688057842 5376115684 10752231368 17472375973 34944751946 69889503892 139779007784
• Sum of all divisors σ(n): 287427157290
• Sum of proper divisors (its aliquot sum) s(n): 147648149506
• 139779007784 is an abundant number, because the sum of its proper divisors (147648149506) is greater than itself. Its abundance is 7869141722

Bases of 139779007784

• Binary: 10000010001011011110100110010100101000₂
• Hexadecimal: 0x208B7A6528
• Base-36: 1S7OT8O8

Squares and roots of 139779007784

• 139779007784 squared (139779007784²) is 19538171017079532590656
• 139779007784 cubed (139779007784³) is 2731026158681483182936386709666304
• The square root of 139779007784 is 373870.3087756503
• The cube root of 139779007784 is 5189.7605183013

Scales and comparisons

• 139,779,007,784 seconds is equal to 4,444 years, 28 weeks, 14 hours, 9 minutes, 44 seconds.
• To count from 1 to 139,779,007,784 would take you about eight thousand, eight hundred eighty-nine 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 139779007784 cubic inches would be around 432.5 feet tall.

Recreational maths with 139779007784

• 139779007784 backwards is 487700977931
• The number of decimal digits it has is: 12
• The sum of 139779007784's digits is 62
• More coming soon!