61387408845
61,387,408,845 is an odd composite number composed of seven prime numbers multiplied together.
61387408845 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 61387408845:
34 × 5 × 7 × 19 × 31 × 97 × 379
(3 × 3 × 3 × 3 × 5 × 7 × 19 × 31 × 97 × 379)See below for interesting mathematical facts about the number 61387408845 from the Numbermatics database.
Names of 61387408845
- Cardinal: 61387408845 can be written as Sixty-one billion, three hundred eighty-seven million, four hundred eight thousand, eight hundred forty-five.
Scientific notation
- Scientific notation: 6.1387408845 × 1010
Factors of 61387408845
Divisors of 61387408845
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 5 7 9 15 19 21 27 31 35 45 57 63 81 93 95 97 105 133 135 155 171 189 217 279 285 291 315 379 399 405 465 485 513 567 589 651 665 679 837 855 873 945 1085 1137 1197 1395 1455 1539 1767 1843 1895 1953 1995 2037 2511 2565 2619 2653 2835 2945 3007 3255 3395 3411 3591 4123 4185 4365 5301 5529 5685 5859 5985 6111 7201 7695 7857 7959 8835 9021 9215 9765 10185 10233 10773 11749 12369 12555 12901 13095 13265 15035 15903 16587 17055 17577 17955 18333 20615 21049 21603 23877 26505 27063 27645 29295 30555 30699 35247 36005 36763 37107 38703 39285 39795 45105 47709 49761 50407 51165 53865 54999 57133 58745 61845 63147 64505 64809 71631 79515 81189 82243 82935 87885 91665 105245 105741 108015 110289 111321 116109 119385 135315 149283 151221 153495 171399 176235 183815 185535 189441 193515 194427 214893 223231 238545 243567 246729 248805 252035 257341 274995 285665 315735 317223 324045 330867 333963 348327 358155 399931 405945 411215 453663 514197 528705 551445 556605 568323 580545 583281 669693 698497 740187 746415 756105 772023 856995 947205 951669 972135 992601 1044981 1074465 1116155 1139653 1199793 1217835 1233645 1286705 1360989 1542591 1562617 1586115 1654335 1669815 1704969 1741635 1999655 2009079 2095491 2220561 2268315 2316069 2570985 2841615 2916405 2977803 3348465 3418959 3492485 3599379 3700935 3860115 4082967 4627773 4687851 4758345 4889479 4963005 5224905 5698265 5998965 6027237 6286473 6661683 6804945 6948207 7712955 7813085 7977571 8524845 10045395 10256877 10477455 10798137 11102805 11580345 14063553 14668437 14889015 17094795 17996895 18081711 18859419 20414835 20844621 21653407 23138865 23439255 23932713 24447395 30136185 30770631 31432365 32394411 33308415 34741035 39887855 42190659 44005311 51284385 53990685 56578257 64960221 70317765 71798139 73342185 90408555 92311893 94297095 104223105 108267035 119663565 126571977 132015933 151573849 153853155 161972055 194880663 210953295 215394417 220026555 282891285 324801105 358990695 396047799 454721547 461559465 584641989 632859885 646183251 660079665 757869245 974403315 1076972085 1364164641 1753925967 1980238995 2273607735 2923209945 3230916255 4092493923 6820823205 8769629835 12277481769 20462469615 61387408845
- Sum of all divisors σ(n): 138425548800
- Sum of proper divisors (its aliquot sum) s(n): 77038139955
- 61387408845 is an abundant number, because the sum of its proper divisors (77038139955) is greater than itself. Its abundance is 15650731110
Bases of 61387408845
- Binary: 1110010010101111100110000101110011012
- Hexadecimal: 0xE4AF985CD
- Base-36: S78H7T9
Squares and roots of 61387408845
- 61387408845 squared (613874088452) is 3768413964703184234025
- 61387408845 cubed (613874088453) is 231333168748441769647450834951125
-
The
square root of 61387408845 is 247764.8256815321 -
The
cube root of 61387408845 is 3944.8131213069
Scales and comparisons
How big is 61387408845?- 61,387,408,845 seconds is equal to 1,951 years, 48 weeks, 2 days, 10 hours, 45 seconds.
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To count from 1 to 61,387,408,845 would take you about three thousand, nine hundred three 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 61387408845 cubic inches would be around 328.7 feet tall.
Recreational maths with 61387408845
- 61387408845 backwards is 54880478316
- The number of decimal digits it has is: 11
- The sum of 61387408845's digits is 54
- More coming soon!
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