16864664918920
16,864,664,918,920 is an even composite number composed of five prime numbers multiplied together.
16864664918920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 16864664918920:
23 × 5 × 72 × 133 × 19792
(2 × 2 × 2 × 5 × 7 × 7 × 13 × 13 × 13 × 1979 × 1979)See below for interesting mathematical facts about the number 16864664918920 from the Numbermatics database.
Names of 16864664918920
- Cardinal: 16864664918920 can be written as Sixteen trillion, eight hundred sixty-four billion, six hundred sixty-four million, nine hundred eighteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.686466491892 × 1013
Factors of 16864664918920
Divisors of 16864664918920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 56 65 70 91 98 104 130 140 169 182 196 245 260 280 338 364 392 455 490 520 637 676 728 845 910 980 1183 1274 1352 1690 1820 1960 1979 2197 2366 2548 3185 3380 3640 3958 4394 4732 5096 5915 6370 6760 7916 8281 8788 9464 9895 10985 11830 12740 13853 15379 15832 16562 17576 19790 21970 23660 25480 25727 27706 30758 33124 39580 41405 43940 47320 51454 55412 61516 66248 69265 76895 79160 82810 87880 96971 102908 107653 110824 123032 128635 138530 153790 165620 180089 193942 205816 215306 257270 277060 307580 331240 334451 360178 387884 430612 484855 514540 538265 554120 615160 668902 720356 775768 861224 900445 969710 1029080 1076530 1260623 1337804 1440712 1672255 1800890 1939420 2153060 2341157 2521246 2675608 3344510 3601780 3878840 3916441 4306120 4347863 4682314 5042492 6303115 6689020 7203560 7832882 8695726 9364628 10084984 11705785 12606230 13378040 15665764 16388099 17391452 18729256 19582205 21739315 23411570 25212460 27415087 30435041 31331528 32776198 34782904 39164410 43478630 46823140 50424920 50913733 54830174 60870082 65552396 78328820 81940495 86957260 93646280 101827466 109660348 121740164 131104792 137075435 152175205 156657640 163880990 173914520 191905609 203654932 213045287 219320696 243480328 254568665 274150870 304350410 327761980 356396131 383811218 407309864 426090574 509137330 548301740 608700820 655523960 661878529 712792262 767622436 852181148 959528045 1018274660 1065226435 1096603480 1217401640 1323757058 1425584524 1535244872 1704362296 1781980655 1919056090 2036549320 2130452870 2494772917 2647514116 2851169048 3309392645 3563961310 3838112180 4260905740 4633149703 4989545834 5295028232 6618785290 7127922620 7676224360 8521811480 8604420877 9266299406 9979091668 12473864585 13237570580 14255845240 17208841754 18532598812 19958183336 23165748515 24947729170 26475141160 32432047921 34417683508 37065197624 43022104385 46331497030 49895458340 60230946139 64864095842 68835367016 86044208770 92662994060 99790916680 120461892278 129728191684 162160239605 172088417540 185325988120 240923784556 259456383368 301154730695 324320479210 344176835080 421616622973 481847569112 602309461390 648640958420 843233245946 1204618922780 1297281916840 1686466491892 2108083114865 2409237845560 3372932983784 4216166229730 8432332459460 16864664918920
- Sum of all divisors σ(n): 47841569357400
- Sum of proper divisors (its aliquot sum) s(n): 30976904438480
- 16864664918920 is an abundant number, because the sum of its proper divisors (30976904438480) is greater than itself. Its abundance is 14112239519560
Bases of 16864664918920
- Binary: 111101010110100111000101110010011011100010002
- Hexadecimal: 0xF569C5C9B88
- Base-36: 5Z7IQ25QG
Squares and roots of 16864664918920
- 16864664918920 squared (168646649189202) is 284416922827450930173966400
- 16864664918920 cubed (168646649189203) is 4796596100755288638472613638750804288000
-
The
square root of 16864664918920 is 4106661.0426135731 -
The
cube root of 16864664918920 is 25644.4017633601
Scales and comparisons
How big is 16864664918920?- 16,864,664,918,920 seconds is equal to 536,244 years, 9 weeks, 2 days, 8 minutes, 40 seconds.
-
To count from 1 to 16,864,664,918,920 would take you about one million, three hundred forty thousand, six hundred ten 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 16864664918920 cubic inches would be around 2137 feet tall.
Recreational maths with 16864664918920
- 16864664918920 backwards is 02981946646861
- 16864664918920 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 16864664918920's digits is 70
- More coming soon!
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