19798020

Names of 19798020

• Cardinal: 19798020 can be written as Nineteen million, seven hundred ninety-eight thousand and twenty.

Scientific notation

• Scientific notation: 1.979802 × 10⁷

Factors of 19798020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 122

Divisors of 19798020

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 101 108 110 121 132 135 162 165 180 198 202 220 242 270 297 303 324 330 363 396 404 405 484 495 505 540 594 605 606 660 726 810 891 909 990 1010 1089 1111 1188 1210 1212 1452 1485 1515 1620 1782 1815 1818 1980 2020 2178 2222 2420 2727 2970 3030 3267 3333 3564 3630 3636 4356 4444 4455 4545 5445 5454 5555 5940 6060 6534 6666 7260 8181 8910 9090 9801 9999 10890 10908 11110 12221 13068 13332 13635 16335 16362 16665 17820 18180 19602 19998 21780 22220 24442 27270 29997 32670 32724 33330 36663 39204 39996 40905 48884 49005 49995 54540 59994 61105 65340 66660 73326 81810 89991 98010 99990 109989 119988 122210 146652 149985 163620 179982 183315 196020 199980 219978 244420 299970 329967 359964 366630 439956 449955 549945 599940 659934 733260 899910 989901 1099890 1319868 1649835 1799820 1979802 2199780 3299670 3959604 4949505 6599340 9899010 19798020
• Sum of all divisors σ(n): 68942412
• Sum of proper divisors (its aliquot sum) s(n): 49144392
• 19798020 is an abundant number, because the sum of its proper divisors (49144392) is greater than itself. Its abundance is 29346372

Bases of 19798020

• Binary: 1001011100001100000000100₂
• Hexadecimal: 0x12E1804
• Base-36: BSC90

Squares and roots of 19798020

• 19798020 squared (19798020²) is 391961595920400
• 19798020 cubed (19798020³) is 7760063515263997608000
• The square root of 19798020 is 4449.4966007403
• The cube root of 19798020 is 270.5249048015

Scales and comparisons

• 19,798,020 seconds is equal to 32 weeks, 5 days, 3 hours, 27 minutes.
• To count from 1 to 19,798,020 would take you about forty-nine weeks!

  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 19798020 cubic inches would be around 22.5 feet tall.

Recreational maths with 19798020

• 19798020 backwards is 02089791
• 19798020 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 19798020's digits is 36
• More coming soon!