138721290842237184
138,721,290,842,237,184 is an even composite number composed of three prime numbers multiplied together.
138721290842237184 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty-one divisors.
Prime factorization of 138721290842237184:
28 × 32 × 77594392
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7759439 × 7759439)See below for interesting mathematical facts about the number 138721290842237184 from the Numbermatics database.
Names of 138721290842237184
- Cardinal: 138721290842237184 can be written as One hundred thirty-eight quadrillion, seven hundred twenty-one trillion, two hundred ninety billion, eight hundred forty-two million, two hundred thirty-seven thousand, one hundred eighty-four.
Scientific notation
- Scientific notation: 1.38721290842237184 × 1017
Factors of 138721290842237184
Divisors of 138721290842237184
- Number of divisors d(n): 81
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 7759439 15518878 23278317 31037756 46556634 62075512 69834951 93113268 124151024 139669902 186226536 248302048 279339804 372453072 496604096 558679608 744906144 993208192 1117359216 1489812288 1986416384 2234718432 2979624576 4469436864 5959249152 8938873728 17877747456 60208893594721 120417787189442 180626680784163 240835574378884 361253361568326 481671148757768 541880042352489 722506723136652 963342297515536 1083760084704978 1445013446273304 1926684595031072 2167520169409956 2890026892546608 3853369190062144 4335040338819912 5780053785093216 7706738380124288 8670080677639824 11560107570186432 15413476760248576 17340161355279648 23120215140372864 34680322710559296 46240430280745728 69360645421118592 138721290842237184
- Sum of all divisors σ(n): 399967731695691523
- Sum of proper divisors (its aliquot sum) s(n): 261246440853454339
- 138721290842237184 is an abundant number, because the sum of its proper divisors (261246440853454339) is greater than itself. Its abundance is 122525150011217155
Bases of 138721290842237184
- Binary: 1111011001101011001000111011011110110111101101001000000002
- Hexadecimal: 0x1ECD6476F6F6900
- Base-36: 11XWLD8PVLS0
Squares and roots of 138721290842237184
- 138721290842237184 squared (1387212908422371842) is 19243596532936558010258194112249856
- 138721290842237184 cubed (1387212908422371843) is 2669496551496159369275499789534209348660938621845504
-
138721290842237184 is a
perfect square number . Itssquare root is 372453072 -
The
cube root of 138721290842237184 is 517663.6940418251
Scales and comparisons
How big is 138721290842237184?- 138,721,290,842,237,184 seconds is equal to 4,410,907,955 years, 34 weeks, 1 day, 5 hours, 26 minutes, 24 seconds.
-
To count from 1 to 138,721,290,842,237,184 would take you about thirteen billion, two hundred thirty-two million, seven hundred twenty-three thousand, eight hundred sixty-six 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 138721290842237184 cubic inches would be around 43138.6 feet tall.
Recreational maths with 138721290842237184
- 138721290842237184 backwards is 481732248092127831
- 138721290842237184 is a
Harshad number . - The number of decimal digits it has is: 18
- The sum of 138721290842237184's digits is 72
- More coming soon!
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