42129246915
42,129,246,915 is an odd composite number composed of seven prime numbers multiplied together.
42129246915 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 42129246915:
32 × 5 × 7 × 17 × 193 × 31 × 37
(3 × 3 × 5 × 7 × 17 × 19 × 19 × 19 × 31 × 37)See below for interesting mathematical facts about the number 42129246915 from the Numbermatics database.
Names of 42129246915
- Cardinal: 42129246915 can be written as Forty-two billion, one hundred twenty-nine million, two hundred forty-six thousand, nine hundred fifteen.
Scientific notation
- Scientific notation: 4.2129246915 × 1010
Factors of 42129246915
Divisors of 42129246915
- Number of divisors d(n): 384
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Complete list of divisors:
1 3 5 7 9 15 17 19 21 31 35 37 45 51 57 63 85 93 95 105 111 119 133 153 155 171 185 217 255 259 279 285 315 323 333 357 361 399 465 527 555 589 595 629 651 665 703 765 777 855 969 1071 1083 1085 1147 1197 1295 1395 1581 1615 1665 1767 1785 1805 1887 1953 1995 2109 2261 2331 2527 2635 2907 2945 3145 3249 3255 3441 3515 3689 3885 4123 4403 4743 4845 4921 5301 5355 5415 5661 5735 5985 6137 6327 6783 6859 7581 7905 8029 8835 9435 9765 10013 10323 10545 11067 11191 11305 11655 11951 12369 12635 13209 13357 14535 14763 16245 17205 18411 18445 19499 20349 20577 20615 21793 22015 22743 23715 24087 24605 26505 28305 30039 30685 31635 33201 33573 33915 34295 35853 37107 37905 39627 40071 40145 42959 44289 48013 50065 51615 55233 55335 55955 58497 59755 61731 61845 65379 66045 66785 70091 72261 73815 78337 83657 90117 92055 93499 97495 100719 101745 102885 107559 108965 113715 116603 120213 120435 128877 136493 144039 150195 152551 166005 167865 175491 179265 185535 190247 196137 198135 200355 210273 212629 214795 221445 227069 235011 240065 250971 253783 276165 280497 292485 308655 326895 349809 350455 361305 370481 386631 391685 409479 414067 418285 432117 450585 457653 467495 503595 537795 570741 583015 601065 630819 637887 644385 681207 682465 705033 720195 752913 761349 762755 816221 841491 877455 951235 980685 1049427 1051365 1063145 1111443 1135345 1175055 1228437 1242201 1254855 1268915 1331729 1372959 1402485 1488403 1589483 1712223 1749045 1776481 1852405 1913661 1933155 2043621 2047395 2070335 2160585 2284047 2288265 2448663 2593367 2853705 2898469 3154095 3189435 3334329 3406035 3525165 3614693 3726603 3764565 3806745 3995187 4081105 4207455 4314311 4465209 4768449 5247135 5329443 5557215 6142185 6211005 6658645 6864795 7039139 7345989 7442015 7780101 7867273 7947415 8561115 8695407 8882405 9568305 10218105 10844079 11420235 11985561 12243315 12942933 12966835 13395627 14305347 14492345 15988329 16671645 18073465 18633015 19975935 21117417 21571555 22326045 23340303 23601819 23842245 25302851 26086221 26647215 30200177 32532237 35195695 36729945 38828799 38900505 39336365 43477035 49273973 54220395 55070911 59927805 63352251 64714665 66978135 70805457 71526735 75908553 79941645 90600531 105587085 116701515 118009095 126514255 130431105 133743641 147821919 151000885 162661185 165212733 194143995 227725659 246369865 271801593 275354555 316761255 354027285 379542765 401230923 443465757 453002655 495638199 668718205 739109595 826063665 936205487 1138628295 1203692769 1359007965 2006154615 2217328785 2478190995 2808616461 4681027435 6018463845 8425849383 14043082305 42129246915
- Sum of all divisors σ(n): 98884730880
- Sum of proper divisors (its aliquot sum) s(n): 56755483965
- 42129246915 is an abundant number, because the sum of its proper divisors (56755483965) is greater than itself. Its abundance is 14626237050
Bases of 42129246915
- Binary: 1001110011110001100101001010110000112
- Hexadecimal: 0x9CF194AC3
- Base-36: JCQNYYR
Squares and roots of 42129246915
- 42129246915 squared (421292469152) is 1774873445625037017225
- 42129246915 cubed (421292469153) is 74774081633614011004687133110875
-
The
square root of 42129246915 is 205254.1032841975 -
The
cube root of 42129246915 is 3479.5885945979
Scales and comparisons
How big is 42129246915?- 42,129,246,915 seconds is equal to 1,339 years, 30 weeks, 1 day, 35 minutes, 15 seconds.
-
To count from 1 to 42,129,246,915 would take you about two thousand, six hundred seventy-nine 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 42129246915 cubic inches would be around 290 feet tall.
Recreational maths with 42129246915
- 42129246915 backwards is 51964292124
- 42129246915 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 42129246915's digits is 45
- More coming soon!
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