139421728125

Names of 139421728125

• Cardinal: 139421728125 can be written as One hundred thirty-nine billion, four hundred twenty-one million, seven hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.39421728125 × 10¹¹

Factors of 139421728125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1034

Divisors of 139421728125

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 17 25 45 51 75 85 125 153 225 255 289 375 425 625 765 867 1009 1125 1275 1445 1875 2125 2601 3027 3125 3825 4335 4913 5045 5625 6375 7225 9081 9375 10625 13005 14739 15135 17153 19125 21675 24565 25225 28125 31875 36125 44217 45405 51459 53125 65025 73695 75675 85765 95625 108375 122825 126125 154377 159375 180625 221085 227025 257295 291601 325125 368475 378375 428825 478125 541875 614125 630625 771885 874803 903125 1105425 1135125 1286475 1458005 1625625 1842375 1891875 2144125 2624409 2709375 3070625 3153125 3859425 4374015 4957217 5527125 5675625 6432375 7290025 8128125 9211875 9459375 10720625 13122045 14871651 15353125 19297125 21870075 24786085 27635625 28378125 32161875 36450125 44614953 46059375 53603125 65610225 74358255 96485625 109350375 123930425 138178125 160809375 182250625 223074765 328051125 371791275 482428125 546751875 619652125 911253125 1115373825 1640255625 1858956375 2733759375 3098260625 5576869125 8201278125 9294781875 15491303125 27884345625 46473909375 139421728125
• Sum of all divisors σ(n): 267711771600
• Sum of proper divisors (its aliquot sum) s(n): 128290043475
• 139421728125 is a deficient number, because the sum of its proper divisors (128290043475) is less than itself. Its deficiency is 11131684650

Bases of 139421728125

• Binary: 10000001110110001011101011110101111101₂
• Hexadecimal: 0x20762EBD7D
• Base-36: 1S1S3HX9

Squares and roots of 139421728125

• 139421728125 squared (139421728125²) is 19438418273361416015625
• 139421728125 cubed (139421728125³) is 2710137867688627273595489501953125
• The square root of 139421728125 is 373392.1907659559
• The cube root of 139421728125 is 5185.3350137383

Scales and comparisons

• 139,421,728,125 seconds is equal to 4,433 years, 9 weeks, 2 days, 9 hours, 48 minutes, 45 seconds.
• To count from 1 to 139,421,728,125 would take you about eight thousand, eight hundred sixty-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 139421728125 cubic inches would be around 432.1 feet tall.

Recreational maths with 139421728125

• 139421728125 backwards is 521827124931
• 139421728125 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139421728125's digits is 45
• More coming soon!