139133440

Names of 139133440

• Cardinal: 139133440 can be written as One hundred thirty-nine million, one hundred thirty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3913344 × 10⁸

Factors of 139133440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 186

Divisors of 139133440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 128 136 139 160 170 184 230 256 272 278 320 340 368 391 460 512 544 556 640 680 695 736 782 920 1088 1112 1280 1360 1390 1472 1564 1840 1955 2176 2224 2363 2560 2720 2780 2944 3128 3197 3680 3910 4352 4448 4726 5440 5560 5888 6256 6394 7360 7820 8704 8896 9452 10880 11120 11776 11815 12512 12788 14720 15640 15985 17792 18904 21760 22240 23630 25024 25576 29440 31280 31970 35584 37808 43520 44480 47260 50048 51152 54349 58880 62560 63940 71168 75616 88960 94520 100096 102304 108698 125120 127880 151232 177920 189040 200192 204608 217396 250240 255760 271745 302464 355840 378080 409216 434792 500480 511520 543490 604928 756160 818432 869584 1000960 1023040 1086980 1209856 1512320 1636864 1739168 2046080 2173960 3024640 3478336 4092160 4347920 6049280 6956672 8184320 8695840 13913344 17391680 27826688 34783360 69566720 139133440
• Sum of all divisors σ(n): 371226240
• Sum of proper divisors (its aliquot sum) s(n): 232092800
• 139133440 is an abundant number, because the sum of its proper divisors (232092800) is greater than itself. Its abundance is 92959360

Bases of 139133440

• Binary: 1000010010110000001000000000₂
• Hexadecimal: 0x84B0200
• Base-36: 2AU41S

Squares and roots of 139133440

• 139133440 squared (139133440²) is 19358114126233600
• 139133440 cubed (139133440³) is 2693361010295475011584000
• The square root of 139133440 is 11795.4838815539
• The cube root of 139133440 is 518.1758569691

Scales and comparisons

• 139,133,440 seconds is equal to 4 years, 22 weeks, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 139,133,440 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 139133440 cubic inches would be around 43.2 feet tall.

Recreational maths with 139133440

• 139133440 backwards is 044331931
• The number of decimal digits it has is: 9
• The sum of 139133440's digits is 28
• More coming soon!