139221791380

Names of 139221791380

• Cardinal: 139221791380 can be written as One hundred thirty-nine billion, two hundred twenty-one million, seven hundred ninety-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3922179138 × 10¹¹

Factors of 139221791380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19983

Divisors of 139221791380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 3571 7142 14284 16381 17855 24997 32762 35710 49994 60707 65524 71420 81905 99988 114667 121414 124985 163810 229334 242828 249970 278477 303535 327620 424949 458668 499940 556954 573335 607070 849898 1113908 1146670 1214140 1392385 1699796 1949339 2124745 2293340 2784770 3898678 4249490 5569540 7797356 8498980 9746695 19493390 38986780 58496551 116993102 233986204 292482755 409475857 584965510 818951714 994441367 1169931020 1637903428 1988882734 2047379285 3977765468 4094758570 4972206835 6961089569 8189517140 9944413670 13922179138 19888827340 27844358276 34805447845 69610895690 139221791380
• Sum of all divisors σ(n): 353907816192
• Sum of proper divisors (its aliquot sum) s(n): 214686024812
• 139221791380 is an abundant number, because the sum of its proper divisors (214686024812) is greater than itself. Its abundance is 75464233432

Bases of 139221791380

• Binary: 10000001101010010000111111001010010100₂
• Hexadecimal: 0x206A43F294
• Base-36: 1RYH25QS

Squares and roots of 139221791380

• 139221791380 squared (139221791380²) is 19382707195056242304400
• 139221791380 cubed (139221791380³) is 2698495217489745133469907256072000
• The square root of 139221791380 is 373124.3644952713
• The cube root of 139221791380 is 5182.8551635993

Scales and comparisons

• 139,221,791,380 seconds is equal to 4,426 years, 42 weeks, 5 days, 7 hours, 49 minutes, 40 seconds.
• To count from 1 to 139,221,791,380 would take you about eight thousand, eight hundred fifty-three 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 139221791380 cubic inches would be around 431.9 feet tall.

Recreational maths with 139221791380

• 139221791380 backwards is 083197122931
• The number of decimal digits it has is: 12
• The sum of 139221791380's digits is 46
• More coming soon!