139172937728

Names of 139172937728

• Cardinal: 139172937728 can be written as One hundred thirty-nine billion, one hundred seventy-two million, nine hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.39172937728 × 10¹¹

Factors of 139172937728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 3204

Divisors of 139172937728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1331 1408 1936 2048 2662 2816 3191 3872 4096 5324 5632 6382 7744 8192 10648 11264 12764 15488 16384 21296 22528 25528 30976 32768 35101 42592 45056 51056 61952 70202 85184 90112 102112 123904 140404 170368 180224 204224 247808 280808 340736 360448 386111 408448 495616 561616 681472 772222 816896 991232 1123232 1362944 1544444 1633792 1982464 2246464 2725888 3088888 3267584 3964928 4247221 4492928 5451776 6177776 6535168 8494442 8985856 10903552 12355552 13070336 16988884 17971712 21807104 24711104 26140672 33977768 35943424 43614208 49422208 52281344 67955536 71886848 98844416 104562688 135911072 143773696 197688832 271822144 287547392 395377664 543644288 575094784 790755328 1087288576 1150189568 1581510656 2174577152 3163021312 4349154304 6326042624 8698308608 12652085248 17396617216 34793234432 69586468864 139172937728
• Sum of all divisors σ(n): 306250822080
• Sum of proper divisors (its aliquot sum) s(n): 167077884352
• 139172937728 is an abundant number, because the sum of its proper divisors (167077884352) is greater than itself. Its abundance is 27904946624

Bases of 139172937728

• Binary: 10000001100111010110101000000000000000₂
• Hexadecimal: 0x20675A8000
• Base-36: 1RXNZ20W

Squares and roots of 139172937728

• 139172937728 squared (139172937728²) is 19369106595841765801984
• 139172937728 cubed (139172937728³) is 2695655466110080135701079210852352
• The square root of 139172937728 is 373058.8931093857
• The cube root of 139172937728 is 5182.2488623817

Scales and comparisons

• 139,172,937,728 seconds is equal to 4,425 years, 13 weeks, 6 days, 21 hours, 22 minutes, 8 seconds.
• To count from 1 to 139,172,937,728 would take you about eight thousand, eight hundred fifty 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 139172937728 cubic inches would be around 431.9 feet tall.

Recreational maths with 139172937728

• 139172937728 backwards is 827739271931
• The number of decimal digits it has is: 12
• The sum of 139172937728's digits is 59
• More coming soon!