139128829728

Names of 139128829728

• Cardinal: 139128829728 can be written as One hundred thirty-nine billion, one hundred twenty-eight million, eight hundred twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.39128829728 × 10¹¹

Factors of 139128829728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 165424

Divisors of 139128829728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 179 196 224 294 336 358 392 537 588 672 716 784 1074 1176 1253 1432 1568 2148 2352 2506 2864 3759 4296 4704 5012 5728 7518 8592 8771 10024 15036 17184 17542 20048 26313 30072 35084 40096 52626 60144 70168 105252 120288 140336 165233 210504 280672 330466 421008 495699 660932 842016 991398 1156631 1321864 1982796 2313262 2643728 3469893 3965592 4626524 5287456 6939786 7931184 8096417 9253048 13879572 15862368 16192834 18506096 24289251 27759144 29576707 32385668 37012192 48578502 55518288 59153414 64771336 88730121 97157004 111036576 118306828 129542672 177460242 194314008 207036949 236613656 259085344 354920484 388628016 414073898 473227312 621110847 709840968 777256032 828147796 946454624 1242221694 1419681936 1449258643 1656295592 2484443388 2839363872 2898517286 3312591184 4347775929 4968886776 5797034572 6625182368 8695551858 9937773552 11594069144 17391103716 19875547104 23188138288 34782207432 46376276576 69564414864 139128829728
• Sum of all divisors σ(n): 427215811680
• Sum of proper divisors (its aliquot sum) s(n): 288086981952
• 139128829728 is an abundant number, because the sum of its proper divisors (288086981952) is greater than itself. Its abundance is 148958152224

Bases of 139128829728

• Binary: 10000001100100101110010111011100100000₂
• Hexadecimal: 0x2064B97720
• Base-36: 1RWXPO2O

Squares and roots of 139128829728

• 139128829728 squared (139128829728²) is 19356831261482816553984
• 139128829728 cubed (139128829728³) is 2693093280652470229137099656036352
• The square root of 139128829728 is 372999.7717532811
• The cube root of 139128829728 is 5181.7013354737

Scales and comparisons

• 139,128,829,728 seconds is equal to 4,423 years, 45 weeks, 9 hours, 8 minutes, 48 seconds.
• To count from 1 to 139,128,829,728 would take you about eight thousand, eight hundred forty-seven 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 139128829728 cubic inches would be around 431.8 feet tall.

Recreational maths with 139128829728

• 139128829728 backwards is 827928821931
• The number of decimal digits it has is: 12
• The sum of 139128829728's digits is 60
• More coming soon!