138250560

Names of 138250560

• Cardinal: 138250560 can be written as One hundred thirty-eight million, two hundred fifty thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.3825056 × 10⁸

Factors of 138250560

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2956

Divisors of 138250560

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 140 147 160 168 192 196 210 224 240 245 280 294 320 336 392 420 448 480 490 560 588 672 735 784 840 960 980 1120 1176 1344 1470 1568 1680 1960 2240 2352 2939 2940 3136 3360 3920 4704 5878 5880 6720 7840 8817 9408 11756 11760 14695 15680 17634 20573 23512 23520 29390 35268 41146 44085 47024 47040 58780 61719 70536 82292 88170 94048 102865 117560 123438 141072 144011 164584 176340 188096 205730 235120 246876 282144 288022 308595 329168 352680 411460 432033 470240 493752 564288 576044 617190 658336 705360 720055 822920 864066 940480 987504 1152088 1234380 1316672 1410720 1440110 1645840 1728132 1975008 2160165 2304176 2468760 2821440 2880220 3291680 3456264 3950016 4320330 4608352 4937520 5760440 6583360 6912528 8640660 9216704 9875040 11520880 13825056 17281320 19750080 23041760 27650112 34562640 46083520 69125280 138250560
• Sum of all divisors σ(n): 510783840
• Sum of proper divisors (its aliquot sum) s(n): 372533280
• 138250560 is an abundant number, because the sum of its proper divisors (372533280) is greater than itself. Its abundance is 234282720

Bases of 138250560

• Binary: 1000001111011000100101000000₂
• Hexadecimal: 0x83D8940
• Base-36: 2AB6TC

Squares and roots of 138250560

• 138250560 squared (138250560²) is 19113217340313600
• 138250560 cubed (138250560³) is 2642413000700065775616000
• The square root of 138250560 is 11757.9998299029
• The cube root of 138250560 is 517.0774912621

Scales and comparisons

• 138,250,560 seconds is equal to 4 years, 20 weeks, 4 days, 2 hours, 56 minutes.
• To count from 1 to 138,250,560 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 138250560 cubic inches would be around 43.1 feet tall.

Recreational maths with 138250560

• 138250560 backwards is 065052831
• 138250560 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138250560's digits is 30
• More coming soon!