6400138240
6,400,138,240 is an even composite number composed of five prime numbers multiplied together.
6400138240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 6400138240:
210 × 5 × 17 × 232 × 139
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 23 × 23 × 139)See below for interesting mathematical facts about the number 6400138240 from the Numbermatics database.
Names of 6400138240
- Cardinal: 6400138240 can be written as Six billion, four hundred million, one hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 6.40013824 × 109
Factors of 6400138240
Divisors of 6400138240
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 128 136 139 160 170 184 230 256 272 278 320 340 368 391 460 512 529 544 556 640 680 695 736 782 920 1024 1058 1088 1112 1280 1360 1390 1472 1564 1840 1955 2116 2176 2224 2363 2560 2645 2720 2780 2944 3128 3197 3680 3910 4232 4352 4448 4726 5120 5290 5440 5560 5888 6256 6394 7360 7820 8464 8704 8896 8993 9452 10580 10880 11120 11776 11815 12512 12788 14720 15640 15985 16928 17408 17792 17986 18904 21160 21760 22240 23552 23630 25024 25576 29440 31280 31970 33856 35584 35972 37808 42320 43520 44480 44965 47260 50048 51152 54349 58880 62560 63940 67712 71168 71944 73531 75616 84640 87040 88960 89930 94520 100096 102304 108698 117760 125120 127880 135424 142336 143888 147062 151232 169280 177920 179860 189040 200192 204608 217396 250240 255760 270848 271745 287776 294124 302464 338560 355840 359720 367655 378080 400384 409216 434792 500480 511520 541696 543490 575552 588248 604928 677120 711680 719440 735310 756160 818432 869584 1000960 1023040 1086980 1151104 1176496 1209856 1250027 1354240 1438880 1470620 1512320 1636864 1739168 2001920 2046080 2173960 2302208 2352992 2419712 2500054 2708480 2877760 2941240 3024640 3273728 3478336 4092160 4347920 4604416 4705984 5000108 5755520 5882480 6049280 6250135 6956672 8184320 8695840 9208832 9411968 10000216 11511040 11764960 12098560 12500270 13913344 16368640 17391680 18823936 20000432 23022080 23529920 25000540 27826688 34783360 37647872 40000864 46044160 47059840 50001080 55653376 69566720 75295744 80001728 94119680 100002160 139133440 160003456 188239360 200004320 278266880 320006912 376478720 400008640 640013824 800017280 1280027648 1600034560 3200069120 6400138240
- Sum of all divisors σ(n): 17115703920
- Sum of proper divisors (its aliquot sum) s(n): 10715565680
- 6400138240 is an abundant number, because the sum of its proper divisors (10715565680) is greater than itself. Its abundance is 4315427440
Bases of 6400138240
- Binary: 1011111010111101001011100000000002
- Hexadecimal: 0x17D7A5C00
- Base-36: 2XUH69S
Squares and roots of 6400138240
- 6400138240 squared (64001382402) is 40961769491110297600
- 6400138240 cubed (64001382403) is 262160987298120355727540224000
-
The
square root of 6400138240 is 80000.8639953345 -
The
cube root of 6400138240 is 1856.6489011247
Scales and comparisons
How big is 6400138240?- 6,400,138,240 seconds is equal to 203 years, 26 weeks, 1 day, 16 hours, 10 minutes, 40 seconds.
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To count from 1 to 6,400,138,240 would take you about four hundred 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 6400138240 cubic inches would be around 154.7 feet tall.
Recreational maths with 6400138240
- 6400138240 backwards is 0428310046
- The number of decimal digits it has is: 10
- The sum of 6400138240's digits is 28
- More coming soon!
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