138066240

Names of 138066240

• Cardinal: 138066240 can be written as One hundred thirty-eight million, sixty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3806624 × 10⁸

Factors of 138066240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 83

Divisors of 138066240

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 23 24 26 30 32 37 39 40 46 48 52 60 64 65 69 74 78 80 92 96 104 111 115 120 130 138 148 156 160 169 184 185 192 195 208 222 230 240 260 276 296 299 312 320 338 345 368 370 390 416 444 460 480 481 507 520 552 555 592 598 624 676 690 736 740 780 832 845 851 888 897 920 960 962 1014 1040 1104 1110 1184 1196 1248 1352 1380 1443 1472 1480 1495 1560 1690 1702 1776 1794 1840 1924 2028 2080 2208 2220 2368 2392 2405 2496 2535 2553 2704 2760 2886 2960 2990 3120 3380 3404 3552 3588 3680 3848 3887 4056 4160 4255 4416 4440 4485 4784 4810 5070 5106 5408 5520 5772 5920 5980 6240 6253 6760 6808 7104 7176 7215 7360 7696 7774 8112 8510 8880 8970 9568 9620 10140 10212 10816 11040 11063 11544 11661 11840 11960 12480 12506 12765 13520 13616 14352 14430 15392 15548 16224 17020 17760 17940 18759 19136 19240 19435 20280 20424 22080 22126 23088 23322 23920 25012 25530 27040 27232 28704 28860 30784 31096 31265 32448 33189 34040 35520 35880 37518 38480 38870 40560 40848 44252 46176 46644 47840 50024 51060 54080 54464 55315 57408 57720 58305 62192 62530 66378 68080 71760 75036 76960 77740 81120 81696 88504 92352 93288 93795 95680 100048 102120 110630 115440 116610 124384 125060 132756 136160 143520 143819 150072 153920 155480 162240 163392 165945 177008 186576 187590 200096 204240 221260 230880 233220 248768 250120 265512 272320 287040 287638 300144 310960 331890 354016 373152 375180 400192 408480 431457 442520 461760 466440 500240 531024 575276 600288 621920 663780 708032 719095 746304 750360 816960 862914 885040 932880 1000480 1062048 1150552 1200576 1243840 1327560 1438190 1500720 1725828 1770080 1865760 2000960 2124096 2157285 2301104 2655120 2876380 3001440 3451656 3540160 3731520 4314570 4602208 5310240 5752760 6002880 6903312 8629140 9204416 10620480 11505520 13806624 17258280 23011040 27613248 34516560 46022080 69033120 138066240
• Sum of all divisors σ(n): 508699008
• Sum of proper divisors (its aliquot sum) s(n): 370632768
• 138066240 is an abundant number, because the sum of its proper divisors (370632768) is greater than itself. Its abundance is 232566528

Bases of 138066240

• Binary: 1000001110101011100101000000₂
• Hexadecimal: 0x83AB940
• Base-36: 2A78LC

Squares and roots of 138066240

• 138066240 squared (138066240²) is 19062286627737600
• 138066240 cubed (138066240³) is 2631858240494010138624000
• The square root of 138066240 is 11750.1591478587
• The cube root of 138066240 is 516.8475943987

Scales and comparisons

• 138,066,240 seconds is equal to 4 years, 20 weeks, 1 day, 23 hours, 44 minutes.
• To count from 1 to 138,066,240 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 138066240 cubic inches would be around 43.1 feet tall.

Recreational maths with 138066240

• 138066240 backwards is 042660831
• 138066240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138066240's digits is 30
• More coming soon!