138756979 is an odd 9-digits prime number following 138756978
and preceding 138756980 . In scientific notation, it is written as 1.38756979 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 138756978 positive integers (up to 138756979) that are relatively prime to 138756979.
138756979 has 2 divisors, whose sum is 138756980
The reverse of 138756979 is 979657831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
one hundred thirty-eight million seven hundred fifty-six thousand nine hundred seventy-nine
Scientific notation
1.38756979 × 10^8
Engineering notation
1.38756979 × 10^6
Prime Factorization
138756979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
138756979 Product of the distinct prime numbers
The prime factorization of 138756979 is 138756979.
Since it has a total of 1 prime factors.
8 , 6 , 42 , 53 , 333 , 80 , 2252 , 8050 , 81019 , 21095 , 663061 , 449278 , 4985747 , 2590871 , 1780383 , 51453897 , 237815142 , 440655669 , 5362390991 , 3706890800
n×2
277513958
n×3
416270937
n×4
555027916
n×5
693784895
n÷2
69378489.5
n÷3
46252326.333333
n÷3
34689244.75
n÷5
27751395.8
n2
19253499221206441
n3
2.6715573871135E+24
n4
3.70697232261E+32
n5
5.1436828072197E+40
2 √n11779.515227716
3 √n517.70808251653
4 √n108.53347514807
5 √n42.506071378196
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
138756980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
69378490 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11779.515270163 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999855863 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138756979 can be divided by 2 positive divisors.
The sum of these divisors (counting 138756979) is 138756980, the average is 69378490.
Base
System
Value
2
Binary
1000010001010100001101110011
3
Ternary
100200002120210101
4
Quaternary
20101110031303
5
Quinary
241010210404
6
Senary
21434013231
8
Octal
1021241563
10
Decimal
138756979
12
Duodecimal
3a577217
16
Hexadecimal
8454373
20
Vigesimal
2374c8j
36
Base36
2am1kj
md5
06c67098c5094848910c7db9a37d7bd7
sha1
69318817b41703c45701edf1e52387d42c63c7b2
sha256
fb522e49d3d7aef63b189fe4bd6cab3a5e7aedf8cf4c81b39800afcfa121f4b6
sha512
4870bbaff5c0d473c418a980a5b44fb806cc9936c173102d99370215accdd7d072c49f9fe581abf494816a6410177ffa0ed723bf2f2bd6f92e4d03307aa3b705
ripemd-160
6fb69184eb7ae90e8980ec4d989e6bf4fc30b6c0
Diameter
277513958
Circumference
871835811.72143
Area
6.0486651709239E+16
Volume
1.1190593414666E+25
Surface area
2.4194660683696E+17
Circumference
871835811.72143
Perimeter
555027916
Area
19253499221206441
Diagonal
196232001.57572
Surface area
115520995327238646
Volume
2.6715573871135E+24
Space diagonal
240334137.53277
Perimeter
416270937
Area
8.3370097186543E+15
Altitude
120167068.76638
Surface area
8.3370097186543E+15
Volume
3.1484605745949E+23
Height
65410667.191906