139947808

Names of 139947808

• Cardinal: 139947808 can be written as One hundred thirty-nine million, nine hundred forty-seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.39947808 × 10⁸

Factors of 139947808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 307

Divisors of 139947808

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 17 22 26 28 32 34 44 52 56 68 77 88 91 104 112 119 136 143 154 176 182 187 208 221 224 238 257 272 286 308 352 364 374 416 442 476 514 544 572 616 728 748 884 952 1001 1028 1144 1232 1309 1456 1496 1547 1768 1799 1904 2002 2056 2288 2431 2464 2618 2827 2912 2992 3094 3341 3536 3598 3808 4004 4112 4369 4576 4862 5236 5654 5984 6188 6682 7072 7196 8008 8224 8738 9724 10472 11308 12376 13364 14392 16016 17017 17476 19448 19789 20944 22616 23387 24752 26728 28784 30583 32032 34034 34952 36751 38896 39578 41888 45232 46774 48059 49504 53456 56797 57568 61166 68068 69904 73502 77792 79156 90464 93548 96118 106912 113594 122332 136136 139808 147004 158312 187096 192236 227188 244664 257257 272272 294008 316624 336413 374192 384472 397579 454376 489328 514514 544544 588016 624767 633248 672826 748384 768944 795158 908752 978656 1029028 1176032 1249534 1345652 1537888 1590316 1817504 2058056 2499068 2691304 3180632 4116112 4373369 4998136 5382608 6361264 8232224 8746738 9996272 10765216 12722528 17493476 19992544 34986952 69973904 139947808
• Sum of all divisors σ(n): 393216768
• Sum of proper divisors (its aliquot sum) s(n): 253268960
• 139947808 is an abundant number, because the sum of its proper divisors (253268960) is greater than itself. Its abundance is 113321152

Bases of 139947808

• Binary: 1000010101110110111100100000₂
• Hexadecimal: 0x8576F20
• Base-36: 2BBKF4

Squares and roots of 139947808

• 139947808 squared (139947808²) is 19585388964004864
• 139947808 cubed (139947808³) is 2740932254339871618138112
• The square root of 139947808 is 11829.9538460639
• The cube root of 139947808 is 519.1848767717

Scales and comparisons

• 139,947,808 seconds is equal to 4 years, 23 weeks, 2 days, 18 hours, 23 minutes, 28 seconds.
• To count from 1 to 139,947,808 would take you about six 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 139947808 cubic inches would be around 43.3 feet tall.

Recreational maths with 139947808

• 139947808 backwards is 808749931
• The number of decimal digits it has is: 9
• The sum of 139947808's digits is 49
• More coming soon!