20472840
20,472,840 is an even composite number composed of six prime numbers multiplied together.
20472840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 20472840:
23 × 32 × 5 × 29 × 37 × 53
(2 × 2 × 2 × 3 × 3 × 5 × 29 × 37 × 53)See below for interesting mathematical facts about the number 20472840 from the Numbermatics database.
Names of 20472840
- Cardinal: 20472840 can be written as Twenty million, four hundred seventy-two thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.047284 × 107
Factors of 20472840
Divisors of 20472840
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 29 30 36 37 40 45 53 58 60 72 74 87 90 106 111 116 120 145 148 159 174 180 185 212 222 232 261 265 290 296 318 333 348 360 370 424 435 444 477 522 530 555 580 636 666 696 740 795 870 888 954 1044 1060 1073 1110 1160 1272 1305 1332 1480 1537 1590 1665 1740 1908 1961 2088 2120 2146 2220 2385 2610 2664 3074 3180 3219 3330 3480 3816 3922 4292 4440 4611 4770 5220 5365 5883 6148 6360 6438 6660 7685 7844 8584 9222 9540 9657 9805 10440 10730 11766 12296 12876 13320 13833 15370 15688 16095 17649 18444 19080 19314 19610 21460 23055 23532 25752 27666 29415 30740 32190 35298 36888 38628 39220 42920 46110 47064 48285 55332 56869 58830 61480 64380 69165 70596 77256 78440 88245 92220 96570 110664 113738 117660 128760 138330 141192 170607 176490 184440 193140 227476 235320 276660 284345 341214 352980 386280 454952 511821 553320 568690 682428 705960 853035 1023642 1137380 1364856 1706070 2047284 2274760 2559105 3412140 4094568 5118210 6824280 10236420 20472840
- Sum of all divisors σ(n): 72025200
- Sum of proper divisors (its aliquot sum) s(n): 51552360
- 20472840 is an abundant number, because the sum of its proper divisors (51552360) is greater than itself. Its abundance is 31079520
Bases of 20472840
- Binary: 10011100001100100000010002
- Hexadecimal: 0x1386408
- Base-36: C6SY0
Squares and roots of 20472840
- 20472840 squared (204728402) is 419137177665600
- 20472840 cubed (204728403) is 8580928376399402304000
-
The
square root of 20472840 is 4524.6922547285 -
The
cube root of 20472840 is 273.5642638255
Scales and comparisons
How big is 20472840?- 20,472,840 seconds is equal to 33 weeks, 5 days, 22 hours, 54 minutes.
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To count from 1 to 20,472,840 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 20472840 cubic inches would be around 22.8 feet tall.
Recreational maths with 20472840
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The information we have on file for 20472840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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