20399616

Names of 20399616

• Cardinal: 20399616 can be written as Twenty million, three hundred ninety-nine thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.0399616 × 10⁷

Factors of 20399616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 257

Divisors of 20399616

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 233 256 288 304 342 384 456 466 512 576 608 684 699 768 912 932 1152 1216 1368 1398 1536 1824 1864 2097 2304 2432 2736 2796 3648 3728 4194 4427 4608 4864 5472 5592 7296 7456 8388 8854 9728 10944 11184 13281 14592 14912 16776 17708 21888 22368 26562 29184 29824 33552 35416 39843 43776 44736 53124 59648 67104 70832 79686 87552 89472 106248 119296 134208 141664 159372 178944 212496 268416 283328 318744 357888 424992 536832 566656 637488 849984 1073664 1133312 1274976 1699968 2266624 2549952 3399936 5099904 6799872 10199808 20399616
• Sum of all divisors σ(n): 62239320
• Sum of proper divisors (its aliquot sum) s(n): 41839704
• 20399616 is an abundant number, because the sum of its proper divisors (41839704) is greater than itself. Its abundance is 21440088

Bases of 20399616

• Binary: 1001101110100011000000000₂
• Hexadecimal: 0x1374600
• Base-36: C58G0

Squares and roots of 20399616

• 20399616 squared (20399616²) is 416144332947456
• 20399616 cubed (20399616³) is 8489184592704250576896
• The square root of 20399616 is 4516.5934065399
• The cube root of 20399616 is 273.2377271551

Scales and comparisons

• 20,399,616 seconds is equal to 33 weeks, 5 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 20,399,616 would take you about fifty 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 20399616 cubic inches would be around 22.8 feet tall.

Recreational maths with 20399616

• 20399616 backwards is 61699302
• 20399616 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20399616's digits is 36
• More coming soon!