28742807664
28,742,807,664 is an even composite number composed of six prime numbers multiplied together.
28742807664 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28742807664:
24 × 33 × 17 × 31 × 191 × 661
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 17 × 31 × 191 × 661)See below for interesting mathematical facts about the number 28742807664 from the Numbermatics database.
Names of 28742807664
- Cardinal: 28742807664 can be written as Twenty-eight billion, seven hundred forty-two million, eight hundred seven thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.8742807664 × 1010
Factors of 28742807664
Divisors of 28742807664
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 27 31 34 36 48 51 54 62 68 72 93 102 108 124 136 144 153 186 191 204 216 248 272 279 306 372 382 408 432 459 496 527 558 573 612 661 744 764 816 837 918 1054 1116 1146 1224 1322 1488 1528 1581 1674 1719 1836 1983 2108 2232 2292 2448 2644 3056 3162 3247 3348 3438 3672 3966 4216 4464 4584 4743 5157 5288 5921 5949 6324 6494 6696 6876 7344 7932 8432 9168 9486 9741 10314 10576 11237 11842 11898 12648 12988 13392 13752 14229 15864 17763 17847 18972 19482 20491 20628 22474 23684 23796 25296 25976 27504 28458 29223 31728 33711 35526 35694 37944 38964 40982 41256 44948 47368 47592 51952 53289 56916 58446 61473 67422 71052 71388 75888 77928 81964 82512 87669 89896 94736 95184 100657 101133 106578 113832 116892 122946 126251 134844 142104 142776 155856 159867 163928 175338 179792 184419 201314 202266 213156 227664 233784 245892 252502 269688 284208 285552 301971 303399 319734 327856 348347 350676 368838 378753 402628 404532 426312 467568 491784 505004 539376 553257 603942 606798 639468 696694 701352 737676 757506 805256 809064 852624 905913 983568 1010008 1045041 1106514 1136259 1207884 1213596 1278936 1393388 1402704 1475352 1515012 1610512 1618128 1811826 2020016 2090082 2146267 2213028 2272518 2415768 2427192 2557872 2717739 2786776 2950704 3030024 3135123 3408777 3623652 3913781 4180164 4292534 4426056 4545036 4831536 4854384 5435478 5573552 6060048 6270246 6438801 6817554 7247304 7827562 8360328 8585068 8852112 9090072 9405369 10870956 11741343 12540492 12877602 13635108 14494608 15655124 16720656 17170136 18180144 18810738 19316403 21741912 23482686 25080984 25755204 27270216 31310248 34340272 35224029 37621476 38632806 43483824 46965372 50161968 51510408 54540432 57949209 62620496 66534277 70448058 75242952 77265612 93930744 103020816 105672087 115898418 133068554 140896116 150485904 154531224 187861488 199602831 211344174 231796836 266137108 281792232 309062448 399205662 422688348 463593672 532274216 563584464 598808493 798411324 845376696 927187344 1064548432 1197616986 1596822648 1690753392 1796425479 2395233972 3193645296 3592850958 4790467944 7185701916 9580935888 14371403832 28742807664
- Sum of all divisors σ(n): 90782760960
- Sum of proper divisors (its aliquot sum) s(n): 62039953296
- 28742807664 is an abundant number, because the sum of its proper divisors (62039953296) is greater than itself. Its abundance is 33297145632
Bases of 28742807664
- Binary: 110101100010011010001110000011100002
- Hexadecimal: 0x6B1347070
- Base-36: D7CQ4C0
Squares and roots of 28742807664
- 28742807664 squared (287428076642) is 826148992409697136896
- 28742807664 cubed (287428076643) is 23745841590639320694293205970944
-
The
square root of 28742807664 is 169537.0392097253 -
The
cube root of 28742807664 is 3063.2073559717
Scales and comparisons
How big is 28742807664?- 28,742,807,664 seconds is equal to 913 years, 48 weeks, 3 days, 9 hours, 14 minutes, 24 seconds.
-
To count from 1 to 28,742,807,664 would take you about one thousand, eight 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 28742807664 cubic inches would be around 255.3 feet tall.
Recreational maths with 28742807664
- 28742807664 backwards is 46670824782
- 28742807664 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28742807664's digits is 54
- More coming soon!
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