640671326720
640,671,326,720 is an even composite number composed of four prime numbers multiplied together.
640671326720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 640671326720:
29 × 5 × 412 × 533
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 41 × 41 × 53 × 53 × 53)See below for interesting mathematical facts about the number 640671326720 from the Numbermatics database.
Names of 640671326720
- Cardinal: 640671326720 can be written as Six hundred forty billion, six hundred seventy-one million, three hundred twenty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 6.4067132672 × 1011
Factors of 640671326720
Divisors of 640671326720
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 41 53 64 80 82 106 128 160 164 205 212 256 265 320 328 410 424 512 530 640 656 820 848 1060 1280 1312 1640 1681 1696 2120 2173 2560 2624 2809 3280 3362 3392 4240 4346 5248 5618 6560 6724 6784 8405 8480 8692 10496 10865 11236 13120 13448 13568 14045 16810 16960 17384 20992 21730 22472 26240 26896 27136 28090 33620 33920 34768 43460 44944 52480 53792 56180 67240 67840 69536 86920 89093 89888 104960 107584 112360 115169 134480 135680 139072 148877 173840 178186 179776 215168 224720 230338 268960 278144 297754 347680 356372 359552 430336 445465 449440 460676 537920 556288 575845 595508 695360 712744 719104 744385 860672 890930 898880 921352 1075840 1112576 1151690 1191016 1390720 1425488 1438208 1488770 1781860 1797760 1842704 2151680 2303380 2382032 2781440 2850976 2977540 3563720 3595520 3685408 4303360 4606760 4721929 4764064 5562880 5701952 5955080 6103957 7127440 7191040 7370816 9213520 9443858 9528128 11403904 11910160 12207914 14254880 14741632 18427040 18887716 19056256 22807808 23609645 23820320 24415828 28509760 29483264 30519785 36854080 37775432 38112512 45615616 47219290 47640640 48831656 57019520 58966528 61039570 73708160 75550864 76225024 94438580 95281280 97663312 114039040 122079140 147416320 151101728 188877160 190562560 195326624 228078080 244158280 250262237 294832640 302203456 377754320 381125120 390653248 488316560 500524474 604406912 755508640 781306496 976633120 1001048948 1208813824 1251311185 1511017280 1562612992 1953266240 2002097896 2417627648 2502622370 3022034560 3125225984 3906532480 4004195792 5005244740 6044069120 7813064960 8008391584 10010489480 12088138240 15626129920 16016783168 20020978960 32033566336 40041957920 64067132672 80083915840 128134265344 160167831680 320335663360 640671326720
- Sum of all divisors σ(n): 1604767946760
- Sum of proper divisors (its aliquot sum) s(n): 964096620040
- 640671326720 is an abundant number, because the sum of its proper divisors (964096620040) is greater than itself. Its abundance is 323425293320
Bases of 640671326720
- Binary: 10010101001010101111110010100010000000002
- Hexadecimal: 0x952AFCA200
- Base-36: 86BJ5ZI8
Squares and roots of 640671326720
- 640671326720 squared (6406713267202) is 410459748881164985958400
- 640671326720 cubed (6406713267203) is 262969791880854007173178298728448000
-
The
square root of 640671326720 is 800419.4692284789 -
The
cube root of 640671326720 is 8620.7508937947
Scales and comparisons
How big is 640671326720?- 640,671,326,720 seconds is equal to 20,371 years, 19 weeks, 9 hours, 25 minutes, 20 seconds.
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To count from 1 to 640,671,326,720 would take you about forty thousand, seven hundred forty-two 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 640671326720 cubic inches would be around 718.4 feet tall.
Recreational maths with 640671326720
- 640671326720 backwards is 027623176046
- The number of decimal digits it has is: 12
- The sum of 640671326720's digits is 44
- More coming soon!
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