40145280

Names of 40145280

• Cardinal: 40145280 can be written as Forty million, one hundred forty-five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 4.014528 × 10⁷

Factors of 40145280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 149

Divisors of 40145280

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 40 42 48 56 58 60 64 70 80 84 87 96 103 105 112 116 120 128 140 145 160 168 174 192 203 206 210 224 232 240 280 290 309 320 336 348 384 406 412 420 435 448 464 480 515 560 580 609 618 640 672 696 721 812 824 840 870 896 928 960 1015 1030 1120 1160 1218 1236 1344 1392 1442 1545 1624 1648 1680 1740 1856 1920 2030 2060 2163 2240 2320 2436 2472 2688 2784 2884 2987 3045 3090 3248 3296 3360 3480 3605 3712 4060 4120 4326 4480 4640 4872 4944 5568 5768 5974 6090 6180 6496 6592 6720 6960 7210 8120 8240 8652 8961 9280 9744 9888 10815 11136 11536 11948 12180 12360 12992 13184 13440 13920 14420 14935 16240 16480 17304 17922 18560 19488 19776 20909 21630 23072 23896 24360 24720 25984 27840 28840 29870 32480 32960 34608 35844 38976 39552 41818 43260 44805 46144 47792 48720 49440 55680 57680 59740 62727 64960 65920 69216 71688 77952 83636 86520 89610 92288 95584 97440 98880 104545 115360 119480 125454 129920 138432 143376 167272 173040 179220 191168 194880 197760 209090 230720 238960 250908 276864 286752 313635 334544 346080 358440 382336 389760 418180 461440 477920 501816 573504 627270 669088 692160 716880 836360 955840 1003632 1147008 1254540 1338176 1384320 1433760 1672720 1911680 2007264 2509080 2676352 2867520 3345440 4014528 5018160 5735040 6690880 8029056 10036320 13381760 20072640 40145280
• Sum of all divisors σ(n): 152755200
• Sum of proper divisors (its aliquot sum) s(n): 112609920
• 40145280 is an abundant number, because the sum of its proper divisors (112609920) is greater than itself. Its abundance is 72464640

Bases of 40145280

• Binary: 10011001001001000110000000₂
• Hexadecimal: 0x2649180
• Base-36: NWGAO

Squares and roots of 40145280

• 40145280 squared (40145280²) is 1611643506278400
• 40145280 cubed (40145280³) is 64699879819728125952000
• The square root of 40145280 is 6336.0303029579
• The cube root of 40145280 is 342.4087312531

Scales and comparisons

• 40,145,280 seconds is equal to 1 year, 14 weeks, 2 days, 15 hours, 28 minutes.
• To count from 1 to 40,145,280 would take you about forty-seven 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 40145280 cubic inches would be around 28.5 feet tall.

Recreational maths with 40145280

• 40145280 backwards is 08254104
• 40145280 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40145280's digits is 24
• More coming soon!