161400838298739071872
161,400,838,298,739,071,872 is an even composite number composed of four prime numbers multiplied together.
161400838298739071872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 161400838298739071872:
27 × 7 × 3491 × 51599789221627
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 3491 × 51599789221627)See below for interesting mathematical facts about the number 161400838298739071872 from the Numbermatics database.
Names of 161400838298739071872
- Cardinal: 161400838298739071872 can be written as One hundred sixty-one quintillion, four hundred quadrillion, eight hundred thirty-eight trillion, two hundred ninety-eight billion, seven hundred thirty-nine million, seventy-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.61400838298739071872 × 1020
Factors of 161400838298739071872
- Number of distinct prime factors ω(n): 4
- Total number of prime factors Ω(n): 10
- Sum of prime factors: 51599789225127
Divisors of 161400838298739071872
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 3491 6982 13964 24437 27928 48874 55856 97748 111712 195496 223424 390992 446848 781984 1563968 3127936 51599789221627 103199578443254 206399156886508 361198524551389 412798313773016 722397049102778 825596627546032 1444794098205556 1651193255092064 2889588196411112 3302386510184128 5779176392822224 6604773020368256 11558352785644448 23116705571288896 46233411142577792 180134864172699857 360269728345399714 720539456690799428 1260944049208898999 1441078913381598856 2521888098417797998 2882157826763197712 5043776196835595996 5764315653526395424 10087552393671191992 11528631307052790848 20175104787342383984 23057262614105581696 40350209574684767968 80700419149369535936 161400838298739071872
- Sum of all divisors σ(n): 367580386482326951040
- Sum of proper divisors (its aliquot sum) s(n): 206179548183587879168
- 161400838298739071872 is an abundant number, because the sum of its proper divisors (206179548183587879168) is greater than itself. Its abundance is 44778709884848807296
Bases of 161400838298739071872
- Binary: 100010111111111000101111011101001011010111101001101011011011100000002
- Hexadecimal: 0x8BFE2F74B5E9ADB80
- Base-36: Y28XA5HYSJVR4
Squares and roots of 161400838298739071872
- 161400838298739071872 squared (1614008382987390718722) is 26050230603535717176211090534943981584384
- 161400838298739071872 cubed (1614008382987390718723) is 4204529057286132227723294228057016774738274355823136208846848
-
The
square root of 161400838298739071872 is 12704362963.1217271779 -
The
cube root of 161400838298739071872 is 5444632.8026490457
Scales and comparisons
How big is 161400838298739071872?- 161,400,838,298,739,071,872 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 161,400,838,298,739,071,872 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 161400838298739071872 cubic inches would be around 453719.4 feet tall.
Recreational maths with 161400838298739071872
- 161400838298739071872 backwards is 278170937892838004161
- The number of decimal digits it has is: 21
- The sum of 161400838298739071872's digits is 94
- More coming soon!
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