72254490

Names of 72254490

• Cardinal: 72254490 can be written as Seventy-two million, two hundred fifty-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 7.225449 × 10⁷

Factors of 72254490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1068

Divisors of 72254490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 31 33 35 42 55 62 66 70 77 93 105 110 154 155 165 186 210 217 231 310 330 341 385 434 462 465 651 682 770 930 1009 1023 1085 1155 1302 1705 2018 2046 2170 2310 2387 3027 3255 3410 4774 5045 5115 6054 6510 7063 7161 10090 10230 11099 11935 14126 14322 15135 21189 22198 23870 30270 31279 33297 35315 35805 42378 55495 62558 66594 70630 71610 77693 93837 105945 110990 155386 156395 166485 187674 211890 218953 233079 312790 332970 344069 388465 437906 466158 469185 656859 688138 776930 938370 1032207 1094765 1165395 1313718 1720345 2064414 2189530 2330790 2408483 3284295 3440690 4816966 5161035 6568590 7225449 10322070 12042415 14450898 24084830 36127245 72254490
• Sum of all divisors σ(n): 223395840
• Sum of proper divisors (its aliquot sum) s(n): 151141350
• 72254490 is an abundant number, because the sum of its proper divisors (151141350) is greater than itself. Its abundance is 78886860

Bases of 72254490

• Binary: 100010011101000010000011010₂
• Hexadecimal: 0x44E841A
• Base-36: 170NX6

Squares and roots of 72254490

• 72254490 squared (72254490²) is 5220711325160100
• 72254490 cubed (72254490³) is 377219834236667193849000
• The square root of 72254490 is 8500.2641135437
• The cube root of 72254490 is 416.5063368921

Scales and comparisons

• 72,254,490 seconds is equal to 2 years, 15 weeks, 3 days, 6 hours, 41 minutes, 30 seconds.
• To count from 1 to 72,254,490 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 72254490 cubic inches would be around 34.7 feet tall.

Recreational maths with 72254490

• 72254490 backwards is 09445227
• 72254490 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72254490's digits is 33
• More coming soon!