133399440

Names of 133399440

• Cardinal: 133399440 can be written as One hundred thirty-three million, three hundred ninety-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3339944 × 10⁸

Factors of 133399440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 570

Divisors of 133399440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 151 180 216 240 270 302 360 409 432 453 540 604 720 755 818 906 1080 1208 1227 1359 1510 1636 1812 2045 2160 2265 2416 2454 2718 3020 3272 3624 3681 4077 4090 4530 4908 5436 6040 6135 6544 6795 7248 7362 8154 8180 9060 9816 10872 11043 12080 12270 13590 14724 16308 16360 18120 18405 19632 20385 21744 22086 24540 27180 29448 32616 32720 36240 36810 40770 44172 49080 54360 55215 58896 61759 65232 73620 81540 88344 98160 108720 110430 123518 147240 163080 176688 185277 220860 247036 294480 308795 326160 370554 441720 494072 555831 617590 741108 883440 926385 988144 1111662 1235180 1482216 1667493 1852770 2223324 2470360 2779155 2964432 3334986 3705540 4446648 4940720 5558310 6669972 7411080 8337465 8893296 11116620 13339944 14822160 16674930 22233240 26679888 33349860 44466480 66699720 133399440
• Sum of all divisors σ(n): 463660800
• Sum of proper divisors (its aliquot sum) s(n): 330261360
• 133399440 is an abundant number, because the sum of its proper divisors (330261360) is greater than itself. Its abundance is 196861920

Bases of 133399440

• Binary: 111111100111000001110010000₂
• Hexadecimal: 0x7F38390
• Base-36: 27F7O0

Squares and roots of 133399440

• 133399440 squared (133399440²) is 17795410592313600
• 133399440 cubed (133399440³) is 2373897807584702544384000
• The square root of 133399440 is 11549.8675317079
• The cube root of 133399440 is 510.9573712497

Scales and comparisons

• 133,399,440 seconds is equal to 4 years, 12 weeks, 3 days, 23 hours, 24 minutes.
• To count from 1 to 133,399,440 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 133399440 cubic inches would be around 42.6 feet tall.

Recreational maths with 133399440

• 133399440 backwards is 044993331
• 133399440 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 133399440's digits is 36
• More coming soon!