16397920

Names of 16397920

• Cardinal: 16397920 can be written as Sixteen million, three hundred ninety-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.639792 × 10⁷

Factors of 16397920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 25

Divisors of 16397920

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 70 77 80 88 110 112 121 140 154 160 176 220 224 242 280 308 352 385 440 484 560 605 616 770 847 880 968 1120 1210 1232 1331 1540 1694 1760 1936 2420 2464 2662 3080 3388 3872 4235 4840 5324 6160 6655 6776 8470 9317 9680 10648 12320 13310 13552 14641 16940 18634 19360 21296 26620 27104 29282 33880 37268 42592 46585 53240 58564 67760 73205 74536 93170 102487 106480 117128 135520 146410 149072 186340 204974 212960 234256 292820 298144 372680 409948 468512 512435 585640 745360 819896 1024870 1171280 1490720 1639792 2049740 2342560 3279584 4099480 8198960 16397920
• Sum of all divisors σ(n): 48701520
• Sum of proper divisors (its aliquot sum) s(n): 32303600
• 16397920 is an abundant number, because the sum of its proper divisors (32303600) is greater than itself. Its abundance is 15905680

Bases of 16397920

• Binary: 111110100011011001100000₂
• Hexadecimal: 0xFA3660
• Base-36: 9RGPS

Squares and roots of 16397920

• 16397920 squared (16397920²) is 268891780326400
• 16397920 cubed (16397920³) is 4409265902449881088000
• The square root of 16397920 is 4049.4345284249
• The cube root of 16397920 is 254.0560770641

Scales and comparisons

• 16,397,920 seconds is equal to 27 weeks, 18 hours, 58 minutes, 40 seconds.
• To count from 1 to 16,397,920 would take you about forty 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 16397920 cubic inches would be around 21.2 feet tall.

Recreational maths with 16397920

• 16397920 backwards is 02979361
• The number of decimal digits it has is: 8
• The sum of 16397920's digits is 37
• More coming soon!