13161400

Names of 13161400

• Cardinal: 13161400 can be written as Thirteen million, one hundred sixty-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.31614 × 10⁷

Factors of 13161400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 110

Divisors of 13161400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 49 50 56 68 70 79 85 98 100 119 136 140 158 170 175 196 200 238 245 280 316 340 350 392 395 425 476 490 553 595 632 680 700 790 833 850 952 980 1106 1190 1225 1343 1400 1580 1666 1700 1960 1975 2212 2380 2450 2686 2765 2975 3160 3332 3400 3871 3950 4165 4424 4760 4900 5372 5530 5950 6664 6715 7742 7900 8330 9401 9800 10744 11060 11900 13430 13825 15484 15800 16660 18802 19355 20825 22120 23800 26860 27650 30968 33320 33575 37604 38710 41650 47005 53720 55300 65807 67150 75208 77420 83300 94010 96775 110600 131614 134300 154840 166600 188020 193550 235025 263228 268600 329035 376040 387100 470050 526456 658070 774200 940100 1316140 1645175 1880200 2632280 3290350 6580700 13161400
• Sum of all divisors σ(n): 38167200
• Sum of proper divisors (its aliquot sum) s(n): 25005800
• 13161400 is an abundant number, because the sum of its proper divisors (25005800) is greater than itself. Its abundance is 11844400

Bases of 13161400

• Binary: 110010001101001110111000₂
• Hexadecimal: 0xC8D3B8
• Base-36: 7U3EG

Squares and roots of 13161400

• 13161400 squared (13161400²) is 173222449960000
• 13161400 cubed (13161400³) is 2279849952903544000000
• The square root of 13161400 is 3627.8643855579
• The cube root of 13161400 is 236.1025600389

Scales and comparisons

• 13,161,400 seconds is equal to 21 weeks, 5 days, 7 hours, 56 minutes, 40 seconds.
• To count from 1 to 13,161,400 would take you about thirty-two 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 13161400 cubic inches would be around 19.7 feet tall.

Recreational maths with 13161400

• 13161400 backwards is 00416131
• The number of decimal digits it has is: 8
• The sum of 13161400's digits is 16
• More coming soon!