19941680

Names of 19941680

• Cardinal: 19941680 can be written as Nineteen million, nine hundred forty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.994168 × 10⁷

Factors of 19941680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109

Divisors of 19941680

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 31 34 40 43 44 55 62 68 80 85 86 88 110 124 136 155 170 172 176 187 215 220 248 272 310 340 341 344 374 430 440 473 496 527 620 680 682 688 731 748 860 880 935 946 1054 1240 1333 1360 1364 1462 1496 1705 1720 1870 1892 2108 2365 2480 2635 2666 2728 2924 2992 3410 3440 3655 3740 3784 4216 4730 5270 5332 5456 5797 5848 6665 6820 7310 7480 7568 8041 8432 9460 10540 10664 11594 11696 13330 13640 14620 14663 14960 16082 18920 21080 21328 22661 23188 26660 27280 28985 29240 29326 32164 37840 40205 42160 45322 46376 53320 57970 58480 58652 64328 73315 80410 90644 92752 106640 113305 115940 117304 128656 146630 160820 181288 226610 231880 234608 249271 293260 321640 362576 453220 463760 498542 586520 643280 906440 997084 1173040 1246355 1812880 1994168 2492710 3988336 4985420 9970840 19941680
• Sum of all divisors σ(n): 56567808
• Sum of proper divisors (its aliquot sum) s(n): 36626128
• 19941680 is an abundant number, because the sum of its proper divisors (36626128) is greater than itself. Its abundance is 16684448

Bases of 19941680

• Binary: 1001100000100100100110000₂
• Hexadecimal: 0x1304930
• Base-36: BVF3K

Squares and roots of 19941680

• 19941680 squared (19941680²) is 397670601222400
• 19941680 cubed (19941680³) is 7930219874984709632000
• The square root of 19941680 is 4465.6108204815
• The cube root of 19941680 is 271.1776633971

Scales and comparisons

• 19,941,680 seconds is equal to 32 weeks, 6 days, 19 hours, 21 minutes, 20 seconds.
• To count from 1 to 19,941,680 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 19941680 cubic inches would be around 22.6 feet tall.

Recreational maths with 19941680

• 19941680 backwards is 08614991
• The number of decimal digits it has is: 8
• The sum of 19941680's digits is 38
• More coming soon!