74945130

Names of 74945130

• Cardinal: 74945130 can be written as Seventy-four million, nine hundred forty-five thousand, one hundred thirty.

Scientific notation

• Scientific notation: 7.494513 × 10⁷

Factors of 74945130

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 216

Divisors of 74945130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 41 43 65 78 82 86 109 123 129 130 195 205 215 218 246 258 327 390 410 430 533 545 559 615 645 654 1066 1090 1118 1230 1290 1417 1599 1635 1677 1763 2665 2795 2834 3198 3270 3354 3526 4251 4469 4687 5289 5330 5590 7085 7995 8385 8502 8815 8938 9374 10578 13407 14061 14170 15990 16770 17630 21255 22345 22919 23435 26445 26814 28122 42510 44690 45838 46870 52890 58097 60931 67035 68757 70305 114595 116194 121862 134070 137514 140610 174291 182793 192167 229190 290485 304655 343785 348582 365586 384334 576501 580970 609310 687570 871455 913965 960835 1153002 1742910 1827930 1921670 2498171 2882505 4996342 5765010 7494513 12490855 14989026 24981710 37472565 74945130
• Sum of all divisors σ(n): 204906240
• Sum of proper divisors (its aliquot sum) s(n): 129961110
• 74945130 is an abundant number, because the sum of its proper divisors (129961110) is greater than itself. Its abundance is 55015980

Bases of 74945130

• Binary: 100011101111001001001101010₂
• Hexadecimal: 0x477926A
• Base-36: 18MC16

Squares and roots of 74945130

• 74945130 squared (74945130²) is 5616772510716900
• 74945130 cubed (74945130³) is 420949745996104463697000
• The square root of 74945130 is 8657.0855372925
• The cube root of 74945130 is 421.6134650045

Scales and comparisons

• 74,945,130 seconds is equal to 2 years, 19 weeks, 6 days, 10 hours, 5 minutes, 30 seconds.
• To count from 1 to 74,945,130 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 74945130 cubic inches would be around 35.1 feet tall.

Recreational maths with 74945130

• 74945130 backwards is 03154947
• The number of decimal digits it has is: 8
• The sum of 74945130's digits is 33
• More coming soon!