40993128

Names of 40993128

• Cardinal: 40993128 can be written as Forty million, nine hundred ninety-three thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0993128 × 10⁷

Factors of 40993128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 87

Divisors of 40993128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 71 72 81 88 99 108 132 142 162 198 213 216 243 264 284 297 324 396 426 486 568 594 639 648 729 781 792 852 891 972 1188 1278 1458 1562 1704 1782 1917 1944 2187 2343 2376 2556 2673 2916 3124 3564 3834 4374 4686 5112 5346 5751 5832 6248 6561 7029 7128 7668 8019 8748 9372 10692 11502 13122 14058 15336 16038 17253 17496 18744 21087 21384 23004 24057 26244 28116 32076 34506 42174 46008 48114 51759 52488 56232 63261 64152 69012 72171 84348 96228 103518 126522 138024 144342 155277 168696 189783 192456 207036 253044 288684 310554 379566 414072 465831 506088 569349 577368 621108 759132 931662 1138698 1242216 1518264 1708047 1863324 2277396 3416094 3726648 4554792 5124141 6832188 10248282 13664376 20496564 40993128
• Sum of all divisors σ(n): 127539360
• Sum of proper divisors (its aliquot sum) s(n): 86546232
• 40993128 is an abundant number, because the sum of its proper divisors (86546232) is greater than itself. Its abundance is 45553104

Bases of 40993128

• Binary: 10011100011000000101101000₂
• Hexadecimal: 0x2718168
• Base-36: OEMI0

Squares and roots of 40993128

• 40993128 squared (40993128²) is 1680436543224384
• 40993128 cubed (40993128³) is 68886350312274706033152
• The square root of 40993128 is 6402.5876018997
• The cube root of 40993128 is 344.8024578001

Scales and comparisons

• 40,993,128 seconds is equal to 1 year, 15 weeks, 5 days, 10 hours, 58 minutes, 48 seconds.
• To count from 1 to 40,993,128 would take you about forty-nine 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 40993128 cubic inches would be around 28.7 feet tall.

Recreational maths with 40993128

• 40993128 backwards is 82139904
• 40993128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40993128's digits is 36
• More coming soon!