13408920

Names of 13408920

• Cardinal: 13408920 can be written as Thirteen million, four hundred eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.340892 × 10⁷

Factors of 13408920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 347

Divisors of 13408920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 28 30 34 35 36 40 42 45 51 56 60 63 68 70 72 84 85 90 102 105 119 120 126 136 140 153 168 170 180 204 210 238 252 255 280 306 313 315 340 357 360 408 420 476 504 510 595 612 626 630 680 714 765 840 939 952 1020 1071 1190 1224 1252 1260 1428 1530 1565 1785 1878 2040 2142 2191 2380 2504 2520 2817 2856 3060 3130 3570 3756 4284 4382 4695 4760 5321 5355 5634 6120 6260 6573 7140 7512 8568 8764 9390 10642 10710 10955 11268 12520 13146 14085 14280 15963 17528 18780 19719 21284 21420 21910 22536 26292 26605 28170 31926 32865 37247 37560 39438 42568 42840 43820 47889 52584 53210 56340 63852 65730 74494 78876 79815 87640 95778 98595 106420 111741 112680 127704 131460 148988 157752 159630 186235 191556 197190 212840 223482 239445 262920 297976 319260 335223 372470 383112 394380 446964 478890 558705 638520 670446 744940 788760 893928 957780 1117410 1340892 1489880 1676115 1915560 2234820 2681784 3352230 4469640 6704460 13408920
• Sum of all divisors σ(n): 52902720
• Sum of proper divisors (its aliquot sum) s(n): 39493800
• 13408920 is an abundant number, because the sum of its proper divisors (39493800) is greater than itself. Its abundance is 26084880

Bases of 13408920

• Binary: 110011001001101010011000₂
• Hexadecimal: 0xCC9A98
• Base-36: 7ZEE0

Squares and roots of 13408920

• 13408920 squared (13408920²) is 179799135566400
• 13408920 cubed (13408920³) is 2410912224879012288000
• The square root of 13408920 is 3661.8192200053
• The cube root of 13408920 is 237.5734657305

Scales and comparisons

• 13,408,920 seconds is equal to 22 weeks, 1 day, 4 hours, 42 minutes.
• To count from 1 to 13,408,920 would take you about thirty-three 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 13408920 cubic inches would be around 19.8 feet tall.

Recreational maths with 13408920

• 13408920 backwards is 02980431
• The number of decimal digits it has is: 8
• The sum of 13408920's digits is 27
• More coming soon!