74799990

Names of 74799990

• Cardinal: 74799990 can be written as Seventy-four million, seven hundred ninety-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 7.479999 × 10⁷

Factors of 74799990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 313

Divisors of 74799990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 41 45 54 58 82 87 90 123 135 145 174 205 233 246 261 270 290 369 410 435 466 522 615 699 738 783 870 1107 1165 1189 1230 1305 1398 1566 1845 2097 2214 2330 2378 2610 3495 3567 3690 3915 4194 5535 5945 6291 6757 6990 7134 7830 9553 10485 10701 11070 11890 12582 13514 17835 19106 20271 20970 21402 28659 31455 32103 33785 35670 40542 47765 53505 57318 60813 62910 64206 67570 85977 95530 101355 107010 121626 143295 160515 171954 182439 202710 257931 277037 286590 304065 321030 364878 429885 515862 554074 608130 831111 859770 912195 1289655 1385185 1662222 1824390 2493333 2579310 2770370 4155555 4986666 7479999 8311110 12466665 14959998 24933330 37399995 74799990
• Sum of all divisors σ(n): 212284800
• Sum of proper divisors (its aliquot sum) s(n): 137484810
• 74799990 is an abundant number, because the sum of its proper divisors (137484810) is greater than itself. Its abundance is 62684820

Bases of 74799990

• Binary: 100011101010101101101110110₂
• Hexadecimal: 0x4755B76
• Base-36: 18J81I

Squares and roots of 74799990

• 74799990 squared (74799990²) is 5595038504000100
• 74799990 cubed (74799990³) is 418508824148822439999000
• The square root of 74799990 is 8648.6987460543
• The cube root of 74799990 is 421.3411212097

Scales and comparisons

• 74,799,990 seconds is equal to 2 years, 19 weeks, 4 days, 17 hours, 46 minutes, 30 seconds.
• To count from 1 to 74,799,990 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 74799990 cubic inches would be around 35.1 feet tall.

Recreational maths with 74799990

• 74799990 backwards is 09999747
• 74799990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 74799990's digits is 54
• More coming soon!