74229870

Names of 74229870

• Cardinal: 74229870 can be written as Seventy-four million, two hundred twenty-nine thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 7.422987 × 10⁷

Factors of 74229870

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 34

Divisors of 74229870

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 121 130 143 165 169 195 242 286 330 338 363 390 429 507 605 715 726 845 858 1014 1210 1331 1430 1573 1690 1815 1859 2145 2535 2662 3146 3630 3718 3993 4290 4719 5070 5577 6655 7865 7986 9295 9438 11154 13310 14641 15730 17303 18590 19965 20449 23595 27885 29282 34606 39930 40898 43923 47190 51909 55770 61347 73205 86515 87846 102245 103818 122694 146410 173030 190333 204490 219615 224939 259545 306735 380666 439230 449878 519090 570999 613470 674817 951665 1124695 1141998 1349634 1903330 2249390 2474329 2854995 3374085 4948658 5709990 6748170 7422987 12371645 14845974 24743290 37114935 74229870
• Sum of all divisors σ(n): 212199480
• Sum of proper divisors (its aliquot sum) s(n): 137969610
• 74229870 is an abundant number, because the sum of its proper divisors (137969610) is greater than itself. Its abundance is 63739740

Bases of 74229870

• Binary: 100011011001010100001101110₂
• Hexadecimal: 0x46CA86E
• Base-36: 18704U

Squares and roots of 74229870

• 74229870 squared (74229870²) is 5510073600216900
• 74229870 cubed (74229870³) is 409012047034532458803000
• The square root of 74229870 is 8615.6758295563
• The cube root of 74229870 is 420.2679129655

Scales and comparisons

• 74,229,870 seconds is equal to 2 years, 18 weeks, 5 days, 3 hours, 24 minutes, 30 seconds.
• To count from 1 to 74,229,870 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 74229870 cubic inches would be around 35 feet tall.

Recreational maths with 74229870

• 74229870 backwards is 07892247
• 74229870 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 74229870's digits is 39
• More coming soon!