13905920

Names of 13905920

• Cardinal: 13905920 can be written as Thirteen million, nine hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.390592 × 10⁷

Factors of 13905920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 111

Divisors of 13905920

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 97 112 128 140 160 194 224 256 280 320 388 448 485 512 560 640 679 776 896 970 1024 1120 1280 1358 1552 1792 1940 2048 2240 2560 2716 3104 3395 3584 3880 4096 4480 5120 5432 6208 6790 7168 7760 8960 10240 10864 12416 13580 14336 15520 17920 20480 21728 24832 27160 28672 31040 35840 43456 49664 54320 62080 71680 86912 99328 108640 124160 143360 173824 198656 217280 248320 347648 397312 434560 496640 695296 869120 993280 1390592 1738240 1986560 2781184 3476480 6952960 13905920
• Sum of all divisors σ(n): 38530464
• Sum of proper divisors (its aliquot sum) s(n): 24624544
• 13905920 is an abundant number, because the sum of its proper divisors (24624544) is greater than itself. Its abundance is 10718624

Bases of 13905920

• Binary: 110101000011000000000000₂
• Hexadecimal: 0xD43000
• Base-36: 8A1VK

Squares and roots of 13905920

• 13905920 squared (13905920²) is 193374611046400
• 13905920 cubed (13905920³) is 2689051871242354688000
• The square root of 13905920 is 3729.0642257811
• The cube root of 13905920 is 240.4731407023

Scales and comparisons

• 13,905,920 seconds is equal to 22 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 13,905,920 would take you about thirty-four 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 13905920 cubic inches would be around 20 feet tall.

Recreational maths with 13905920

• 13905920 backwards is 02950931
• The number of decimal digits it has is: 8
• The sum of 13905920's digits is 29
• More coming soon!