20400287400
20,400,287,400 is an even composite number composed of five prime numbers multiplied together.
20400287400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20400287400:
23 × 35 × 52 × 109 × 3851
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 109 × 3851)See below for interesting mathematical facts about the number 20400287400 from the Numbermatics database.
Names of 20400287400
- Cardinal: 20400287400 can be written as Twenty billion, four hundred million, two hundred eighty-seven thousand, four hundred.
Scientific notation
- Scientific notation: 2.04002874 × 1010
Factors of 20400287400
Divisors of 20400287400
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 109 120 135 150 162 180 200 216 218 225 243 270 300 324 327 360 405 436 450 486 540 545 600 648 654 675 810 872 900 972 981 1080 1090 1215 1308 1350 1620 1635 1800 1944 1962 2025 2180 2430 2616 2700 2725 2943 3240 3270 3851 3924 4050 4360 4860 4905 5400 5450 5886 6075 6540 7702 7848 8100 8175 8829 9720 9810 10900 11553 11772 12150 13080 14715 15404 16200 16350 17658 19255 19620 21800 23106 23544 24300 24525 26487 29430 30808 32700 34659 35316 38510 39240 44145 46212 48600 49050 52974 57765 58860 65400 69318 70632 73575 77020 88290 92424 96275 98100 103977 105948 115530 117720 132435 138636 147150 154040 173295 176580 192550 196200 207954 211896 220725 231060 264870 277272 288825 294300 311931 346590 353160 385100 415908 419759 441450 462120 519885 529740 577650 588600 623862 662175 693180 770200 831816 839518 866475 882900 935793 1039770 1059480 1155300 1247724 1259277 1324350 1386360 1559655 1679036 1732950 1765800 1871586 2079540 2098795 2310600 2495448 2518554 2599425 2648700 3119310 3358072 3465900 3743172 3777831 4159080 4197590 4678965 5037108 5198850 5297400 6238620 6296385 6931800 7486344 7555662 7798275 8395180 9357930 10074216 10397700 10493975 11333493 12477240 12592770 15111324 15596550 16790360 18715860 18889155 20795400 20987950 22666986 23394825 25185540 30222648 31193100 31481925 34000479 37431720 37778310 41975900 45333972 46789650 50371080 56667465 62386200 62963850 68000958 75556620 83951800 90667944 93579300 94445775 102001437 113334930 125927700 136001916 151113240 170002395 187158600 188891550 204002874 226669860 251855400 272003832 283337325 340004790 377783100 408005748 453339720 510007185 566674650 680009580 755566200 816011496 850011975 1020014370 1133349300 1360019160 1700023950 2040028740 2266698600 2550035925 3400047900 4080057480 5100071850 6800095800 10200143700 20400287400
- Sum of all divisors σ(n): 71718847200
- Sum of proper divisors (its aliquot sum) s(n): 51318559800
- 20400287400 is an abundant number, because the sum of its proper divisors (51318559800) is greater than itself. Its abundance is 30918272400
Bases of 20400287400
- Binary: 100101111111111001110101110101010002
- Hexadecimal: 0x4BFF3AEA8
- Base-36: 9DDSYI0
Squares and roots of 20400287400
- 20400287400 squared (204002874002) is 416171726002598760000
- 20400287400 cubed (204002874003) is 8490022818207067850883624000000
-
The
square root of 20400287400 is 142829.5746685539 -
The
cube root of 20400287400 is 2732.4072475727
Scales and comparisons
How big is 20400287400?- 20,400,287,400 seconds is equal to 648 years, 34 weeks, 4 days, 10 hours, 30 minutes.
-
To count from 1 to 20,400,287,400 would take you about one thousand, two hundred ninety-seven years!
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 20400287400 cubic inches would be around 227.7 feet tall.
Recreational maths with 20400287400
- 20400287400 backwards is 00478200402
- 20400287400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20400287400's digits is 27
- More coming soon!
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