139428520

Names of 139428520

• Cardinal: 139428520 can be written as One hundred thirty-nine million, four hundred twenty-eight thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.3942852 × 10⁸

Factors of 139428520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 277

Divisors of 139428520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 29 35 40 44 49 55 56 58 70 77 88 98 110 116 140 145 154 196 203 220 223 232 245 280 290 308 319 385 392 406 440 446 490 539 580 616 638 770 812 892 980 1015 1078 1115 1160 1276 1421 1540 1561 1595 1624 1784 1960 2030 2156 2230 2233 2453 2552 2695 2842 3080 3122 3190 4060 4312 4460 4466 4906 5390 5684 6244 6380 6467 7105 7805 8120 8920 8932 9812 10780 10927 11165 11368 12265 12488 12760 12934 14210 15610 15631 17171 17864 19624 21560 21854 22330 24530 25868 28420 31220 31262 32335 34342 43708 44660 45269 49060 51736 54635 56840 62440 62524 64670 68684 71137 78155 85855 87416 89320 90538 98120 109270 120197 125048 129340 137368 142274 156310 171710 181076 218540 226345 240394 258680 284548 312620 316883 343420 355685 362152 437080 452690 480788 497959 569096 600985 625240 633766 686840 711370 905380 961576 995918 1201970 1267532 1422740 1584415 1810760 1991836 2403940 2489795 2535064 2845480 3168830 3485713 3983672 4807880 4979590 6337660 6971426 9959180 12675320 13942852 17428565 19918360 27885704 34857130 69714260 139428520
• Sum of all divisors σ(n): 413683200
• Sum of proper divisors (its aliquot sum) s(n): 274254680
• 139428520 is an abundant number, because the sum of its proper divisors (274254680) is greater than itself. Its abundance is 134826160

Bases of 139428520

• Binary: 1000010011111000001010101000₂
• Hexadecimal: 0x84F82A8
• Base-36: 2B0FQG

Squares and roots of 139428520

• 139428520 squared (139428520²) is 19440312189390400
• 139428520 cubed (139428520³) is 2710533956904663174208000
• The square root of 139428520 is 11807.9854335955
• The cube root of 139428520 is 518.5419212895

Scales and comparisons

• 139,428,520 seconds is equal to 4 years, 22 weeks, 3 days, 18 hours, 8 minutes, 40 seconds.
• To count from 1 to 139,428,520 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 139428520 cubic inches would be around 43.2 feet tall.

Recreational maths with 139428520

• 139428520 backwards is 025824931
• The number of decimal digits it has is: 9
• The sum of 139428520's digits is 34
• More coming soon!