10138440

Names of 10138440

• Cardinal: 10138440 can be written as Ten million, one hundred thirty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.013844 × 10⁷

Factors of 10138440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 187

Divisors of 10138440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 67 78 97 104 120 130 134 156 194 195 201 260 268 291 312 335 388 390 402 485 520 536 582 670 776 780 804 871 970 1005 1164 1261 1340 1455 1560 1608 1742 1940 2010 2328 2522 2613 2680 2910 3484 3783 3880 4020 4355 5044 5226 5820 6305 6499 6968 7566 8040 8710 10088 10452 11640 12610 12998 13065 15132 17420 18915 19497 20904 25220 25996 26130 30264 32495 34840 37830 38994 50440 51992 52260 64990 75660 77988 84487 97485 104520 129980 151320 155976 168974 194970 253461 259960 337948 389940 422435 506922 675896 779880 844870 1013844 1267305 1689740 2027688 2534610 3379480 5069220 10138440
• Sum of all divisors σ(n): 33586560
• Sum of proper divisors (its aliquot sum) s(n): 23448120
• 10138440 is an abundant number, because the sum of its proper divisors (23448120) is greater than itself. Its abundance is 13309680

Bases of 10138440

• Binary: 100110101011001101001000₂
• Hexadecimal: 0x9AB348
• Base-36: 61AVC

Squares and roots of 10138440

• 10138440 squared (10138440²) is 102787965633600
• 10138440 cubed (10138440³) is 1042109622298315584000
• The square root of 10138440 is 3184.0917072219
• The cube root of 10138440 is 216.4331158611

Scales and comparisons

• 10,138,440 seconds is equal to 16 weeks, 5 days, 8 hours, 14 minutes.
• To count from 1 to 10,138,440 would take you about twenty-five weeks!

  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 10138440 cubic inches would be around 18 feet tall.

Recreational maths with 10138440

• 10138440 backwards is 04483101
• The number of decimal digits it has is: 8
• The sum of 10138440's digits is 21
• More coming soon!