138229040

Names of 138229040

• Cardinal: 138229040 can be written as One hundred thirty-eight million, two hundred twenty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.3822904 × 10⁸

Factors of 138229040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 169

Divisors of 138229040

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 37 40 41 67 68 74 80 82 85 134 136 148 164 170 185 205 268 272 296 328 335 340 370 410 536 592 629 656 670 680 697 740 820 1072 1139 1258 1340 1360 1394 1480 1517 1640 2278 2479 2516 2680 2747 2788 2960 3034 3145 3280 3485 4556 4958 5032 5360 5494 5576 5695 6068 6290 6970 7585 9112 9916 10064 10988 11152 11390 12136 12395 12580 13735 13940 15170 18224 19832 21976 22780 24272 24790 25160 25789 27470 27880 30340 39664 42143 43952 45560 46699 49580 50320 51578 54940 55760 60680 84286 91120 93398 99160 101639 103156 109880 121360 128945 168572 186796 198320 203278 206312 210715 219760 233495 257890 337144 373592 406556 412624 421430 466990 508195 515780 674288 747184 813112 842860 933980 1016390 1031560 1626224 1685720 1727863 1867960 2032780 2063120 3371440 3455726 3735920 4065560 6911452 8131120 8639315 13822904 17278630 27645808 34557260 69114520 138229040
• Sum of all divisors σ(n): 363351744
• Sum of proper divisors (its aliquot sum) s(n): 225122704
• 138229040 is an abundant number, because the sum of its proper divisors (225122704) is greater than itself. Its abundance is 86893664

Bases of 138229040

• Binary: 1000001111010011010100110000₂
• Hexadecimal: 0x83D3530
• Base-36: 2AAQ7K

Squares and roots of 138229040

• 138229040 squared (138229040²) is 19107267499321600
• 138229040 cubed (138229040³) is 2641179243454425419264000
• The square root of 138229040 is 11757.0846726557
• The cube root of 138229040 is 517.0506605451

Scales and comparisons

• 138,229,040 seconds is equal to 4 years, 20 weeks, 3 days, 20 hours, 57 minutes, 20 seconds.
• To count from 1 to 138,229,040 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 138229040 cubic inches would be around 43.1 feet tall.

Recreational maths with 138229040

• 138229040 backwards is 040922831
• The number of decimal digits it has is: 9
• The sum of 138229040's digits is 29
• More coming soon!