20428454400
20,428,454,400 is an even composite number composed of five prime numbers multiplied together.
20428454400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 20428454400:
29 × 3 × 52 × 31 × 1312
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 31 × 131 × 131)See below for interesting mathematical facts about the number 20428454400 from the Numbermatics database.
Names of 20428454400
- Cardinal: 20428454400 can be written as Twenty billion, four hundred twenty-eight million, four hundred fifty-four thousand, four hundred.
Scientific notation
- Scientific notation: 2.04284544 × 1010
Factors of 20428454400
Divisors of 20428454400
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 32 40 48 50 60 62 64 75 80 93 96 100 120 124 128 131 150 155 160 186 192 200 240 248 256 262 300 310 320 372 384 393 400 465 480 496 512 524 600 620 640 655 744 768 775 786 800 930 960 992 1048 1200 1240 1280 1310 1488 1536 1550 1572 1600 1860 1920 1965 1984 2096 2325 2400 2480 2560 2620 2976 3100 3144 3200 3275 3720 3840 3930 3968 4061 4192 4650 4800 4960 5240 5952 6200 6288 6400 6550 7440 7680 7860 7936 8122 8384 9300 9600 9825 9920 10480 11904 12183 12400 12576 12800 13100 14880 15720 15872 16244 16768 17161 18600 19200 19650 19840 20305 20960 23808 24366 24800 25152 26200 29760 31440 32488 33536 34322 37200 38400 39300 39680 40610 41920 47616 48732 49600 50304 51483 52400 59520 60915 62880 64976 67072 68644 74400 78600 79360 81220 83840 85805 97464 99200 100608 101525 102966 104800 119040 121830 125760 129952 137288 148800 157200 162440 167680 171610 194928 198400 201216 203050 205932 209600 238080 243660 251520 257415 259904 274576 297600 304575 314400 324880 335360 343220 389856 396800 406100 411864 419200 429025 487320 503040 514830 519808 531991 549152 595200 609150 628800 649760 686440 779712 812200 823728 838400 858050 974640 1006080 1029660 1039616 1063982 1098304 1190400 1218300 1257600 1287075 1299520 1372880 1559424 1595973 1624400 1647456 1676800 1716100 1949280 2059320 2079232 2127964 2196608 2436600 2515200 2574150 2599040 2659955 2745760 3118848 3191946 3248800 3294912 3432200 3898560 4118640 4255928 4393216 4873200 5030400 5148300 5198080 5319910 5491520 6237696 6383892 6497600 6589824 6864400 7797120 7979865 8237280 8511856 8786432 9746400 10296600 10396160 10639820 10983040 12767784 12995200 13179648 13299775 13728800 15594240 15959730 16474560 17023712 19492800 20593200 21279640 21966080 25535568 25990400 26359296 26599550 27457600 31188480 31919460 32949120 34047424 38985600 39899325 41186400 42559280 43932160 51071136 51980800 53199100 54915200 63838920 65898240 68094848 77971200 79798650 82372800 85118560 102142272 106398200 109830400 127677840 131796480 136189696 155942400 159597300 164745600 170237120 204284544 212796400 219660800 255355680 272379392 319194600 329491200 340474240 408569088 425592800 510711360 638389200 658982400 680948480 817138176 851185600 1021422720 1276778400 1361896960 1702371200 2042845440 2553556800 3404742400 4085690880 5107113600 6809484800 10214227200 20428454400
- Sum of all divisors σ(n): 70196852352
- Sum of proper divisors (its aliquot sum) s(n): 49768397952
- 20428454400 is an abundant number, because the sum of its proper divisors (49768397952) is greater than itself. Its abundance is 29339943552
Bases of 20428454400
- Binary: 100110000011010000101111010000000002
- Hexadecimal: 0x4C1A17A00
- Base-36: 9DUKOAO
Squares and roots of 20428454400
- 20428454400 squared (204284544002) is 417321749172879360000
- 20428454400 cubed (204284544003) is 8525238323106403722461184000000
-
The
square root of 20428454400 is 142928.1441844117 -
The
cube root of 20428454400 is 2733.6642285637
Scales and comparisons
How big is 20428454400?- 20,428,454,400 seconds is equal to 649 years, 29 weeks, 1 day, 10 hours, 40 minutes.
-
To count from 1 to 20,428,454,400 would take you about one thousand, two hundred ninety-nine 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 20428454400 cubic inches would be around 227.8 feet tall.
Recreational maths with 20428454400
- 20428454400 backwards is 00445482402
- The number of decimal digits it has is: 11
- The sum of 20428454400's digits is 33
- More coming soon!
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