75130720

Names of 75130720

• Cardinal: 75130720 can be written as Seventy-five million, one hundred thirty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.513072 × 10⁷

Factors of 75130720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 51

Divisors of 75130720

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 37 40 49 56 70 74 80 98 112 140 148 160 185 196 224 245 259 280 296 343 370 392 490 518 560 592 686 740 784 980 1036 1120 1184 1295 1369 1372 1480 1568 1715 1813 1960 2072 2590 2738 2744 2960 3430 3626 3920 4144 5180 5476 5488 5920 6845 6860 7252 7840 8288 9065 9583 10360 10952 10976 12691 13690 13720 14504 18130 19166 20720 21904 25382 27380 27440 29008 36260 38332 41440 43808 47915 50764 54760 54880 58016 63455 67081 72520 76664 95830 101528 109520 126910 134162 145040 153328 191660 203056 219040 253820 268324 290080 306656 335405 383320 406112 469567 507640 536648 670810 766640 939134 1015280 1073296 1341620 1533280 1878268 2030560 2146592 2347835 2683240 3756536 4695670 5366480 7513072 9391340 10732960 15026144 18782680 37565360 75130720
• Sum of all divisors σ(n): 212738400
• Sum of proper divisors (its aliquot sum) s(n): 137607680
• 75130720 is an abundant number, because the sum of its proper divisors (137607680) is greater than itself. Its abundance is 62476960

Bases of 75130720

• Binary: 100011110100110011101100000₂
• Hexadecimal: 0x47A6760
• Base-36: 18QB8G

Squares and roots of 75130720

• 75130720 squared (75130720²) is 5644625087718400
• 75130720 cubed (75130720³) is 424084746970346549248000
• The square root of 75130720 is 8667.7978748931
• The cube root of 75130720 is 421.9611982623

Scales and comparisons

• 75,130,720 seconds is equal to 2 years, 20 weeks, 1 day, 13 hours, 38 minutes, 40 seconds.
• To count from 1 to 75,130,720 would take you about three 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 75130720 cubic inches would be around 35.2 feet tall.

Recreational maths with 75130720

• 75130720 backwards is 02703157
• The number of decimal digits it has is: 8
• The sum of 75130720's digits is 25
• More coming soon!