12320640

Names of 12320640

• Cardinal: 12320640 can be written as Twelve million, three hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.232064 × 10⁷

Factors of 12320640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 64

Divisors of 12320640

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 31 32 36 40 45 46 48 54 60 62 64 69 72 80 90 92 93 96 108 115 120 124 128 135 138 144 155 160 180 184 186 192 207 216 230 240 248 270 276 279 288 310 320 345 360 368 372 384 414 432 460 465 480 496 540 552 558 576 620 621 640 690 713 720 736 744 828 837 864 920 930 960 992 1035 1080 1104 1116 1152 1240 1242 1380 1395 1426 1440 1472 1488 1656 1674 1728 1840 1860 1920 1984 2070 2139 2160 2208 2232 2480 2484 2760 2790 2852 2880 2944 2976 3105 3312 3348 3456 3565 3680 3720 3968 4140 4185 4278 4320 4416 4464 4960 4968 5520 5580 5704 5760 5952 6210 6417 6624 6696 7130 7360 7440 8280 8370 8556 8640 8832 8928 9920 9936 10695 11040 11160 11408 11904 12420 12834 13248 13392 14260 14720 14880 16560 16740 17112 17280 17856 19251 19840 19872 21390 22080 22320 22816 24840 25668 26496 26784 28520 29760 32085 33120 33480 34224 35712 38502 39744 42780 44160 44640 45632 49680 51336 53568 57040 59520 64170 66240 66960 68448 77004 79488 85560 89280 91264 96255 99360 102672 107136 114080 128340 132480 133920 136896 154008 171120 178560 192510 198720 205344 228160 256680 267840 273792 308016 342240 385020 397440 410688 456320 513360 535680 616032 684480 770040 821376 1026720 1232064 1368960 1540080 2053440 2464128 3080160 4106880 6160320 12320640
• Sum of all divisors σ(n): 47001600
• Sum of proper divisors (its aliquot sum) s(n): 34680960
• 12320640 is an abundant number, because the sum of its proper divisors (34680960) is greater than itself. Its abundance is 22360320

Bases of 12320640

• Binary: 101110111111111110000000₂
• Hexadecimal: 0xBBFF80
• Base-36: 7C2O0

Squares and roots of 12320640

• 12320640 squared (12320640²) is 151798170009600
• 12320640 cubed (12320640³) is 1870250605347078144000
• The square root of 12320640 is 3510.0769222341
• The cube root of 12320640 is 230.9640692977

Scales and comparisons

• 12,320,640 seconds is equal to 20 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 12,320,640 would take you about thirty 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 12320640 cubic inches would be around 19.2 feet tall.

Recreational maths with 12320640

• 12320640 backwards is 04602321
• 12320640 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12320640's digits is 18
• More coming soon!