640428562900
640,428,562,900 is an even composite number composed of six prime numbers multiplied together.
640428562900 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 640428562900:
22 × 52 × 7 × 312 × 61 × 15607
(2 × 2 × 5 × 5 × 7 × 31 × 31 × 61 × 15607)See below for interesting mathematical facts about the number 640428562900 from the Numbermatics database.
Names of 640428562900
- Cardinal: 640428562900 can be written as Six hundred forty billion, four hundred twenty-eight million, five hundred sixty-two thousand, nine hundred.
Scientific notation
- Scientific notation: 6.404285629 × 1011
Factors of 640428562900
Divisors of 640428562900
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 10 14 20 25 28 31 35 50 61 62 70 100 122 124 140 155 175 217 244 305 310 350 427 434 610 620 700 775 854 868 961 1085 1220 1525 1550 1708 1891 1922 2135 2170 3050 3100 3782 3844 4270 4340 4805 5425 6100 6727 7564 8540 9455 9610 10675 10850 13237 13454 15607 18910 19220 21350 21700 24025 26474 26908 31214 33635 37820 42700 47275 48050 52948 58621 62428 66185 67270 78035 94550 96100 109249 117242 132370 134540 156070 168175 189100 218498 234484 264740 293105 312140 330925 336350 390175 410347 436996 483817 546245 586210 661850 672700 780350 820694 952027 967634 1092490 1172420 1323700 1465525 1560700 1641388 1904054 1935268 2051735 2184980 2419085 2731225 2931050 3386719 3808108 4103470 4760135 4838170 5462450 5862100 6664189 6773438 8206940 9520270 9676340 10258675 10924900 12095425 13328378 13546876 14998327 16933595 19040540 20517350 23800675 24190850 26656756 29512837 29996654 33320945 33867190 41034700 47601350 48381700 59025674 59993308 66641890 67734380 74991635 84667975 95202700 104988289 118051348 133283780 147564185 149983270 166604725 169335950 206589859 209976578 295128370 299966540 333209450 338671900 374958175 413179718 419953156 524941445 590256740 666418900 737820925 749916350 826359436 914897947 1032949295 1049882890 1475641850 1499832700 1829795894 2065898590 2099765780 2624707225 2951283700 3659591788 4131797180 4574489735 5164746475 5249414450 6404285629 9148979470 10329492950 10498828900 12808571258 18297958940 20658985900 22872448675 25617142516 32021428145 45744897350 64042856290 91489794700 128085712580 160107140725 320214281450 640428562900
- Sum of all divisors σ(n): 1668160814208
- Sum of proper divisors (its aliquot sum) s(n): 1027732251308
- 640428562900 is an abundant number, because the sum of its proper divisors (1027732251308) is greater than itself. Its abundance is 387303688408
Bases of 640428562900
- Binary: 10010101000111001000010001011001110101002
- Hexadecimal: 0x951C8459D4
- Base-36: 867IMPQS
Squares and roots of 640428562900
- 640428562900 squared (6404285629002) is 410148744178159256410000
- 640428562900 cubed (6404285629003) is 262670970809258274149988913189000000
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The
square root of 640428562900 is 800267.8069871361 -
The
cube root of 640428562900 is 8619.6618950509
Scales and comparisons
How big is 640428562900?- 640,428,562,900 seconds is equal to 20,363 years, 33 weeks, 4 days, 15 hours, 1 minute, 40 seconds.
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To count from 1 to 640,428,562,900 would take you about forty thousand, seven hundred twenty-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 640428562900 cubic inches would be around 718.3 feet tall.
Recreational maths with 640428562900
- 640428562900 backwards is 009265824046
- The number of decimal digits it has is: 12
- The sum of 640428562900's digits is 46
- More coming soon!
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