138938861 is an odd 9-digits prime number following 138938860
and preceding 138938862 . In scientific notation, it is written as 1.38938861 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 138938860 positive integers (up to 138938861) that are relatively prime to 138938861.
138938861 has 2 divisors, whose sum is 138938862
The reverse of 138938861 is 168839831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million nine hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
1.38938861 × 10^8
Engineering notation
1.38938861 × 10^6
Prime Factorization
138938861
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
138938861
Product of the distinct prime numbers
The prime factorization of 138938861 is 138938861.
Since it has a total of 1 prime factors.
3 , 5 , 79 , 53 , 589 , 964 , 3583 , 5286 , 80602 , 2221 , 350865 , 875809 , 2500170 , 3458338 , 40683482 , 94988087 , 760671539 , 128576446 , 2823536580 , 6172612104
n×2
277877722
n×3
416816583
n×4
555755444
n×5
694694305
n÷2
69469430.5
n÷3
46312953.666667
n÷3
34734715.25
n÷5
27787772.2
n2
19304007095977321
n3
2.682076758651E+24
n4
3.7264468996154E+32
n5
5.1774828780955E+40
2 √n
11787.232966222
3 √n
517.9341868653
4 √n
108.56902397195
5 √n
42.517208892093
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
138938862
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
69469431
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11787.233008641
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999856052
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138938861 can be divided by 2 positive divisors.
The sum of these divisors (counting 138938861) is 138938862, the average is 69469431.
Base
System
Value
2
Binary
1000010010000000100111101101
3
Ternary
100200102211021202
4
Quaternary
20102000213231
5
Quinary
241032020421
6
Senary
21441535245
8
Octal
1022004755
10
Decimal
138938861
12
Duodecimal
3a644525
16
Hexadecimal
84809ed
20
Vigesimal
2387731
36
Base36
2apxwt
md5
e3c2b445c38ecfd439fd99fc87c35398
sha1
90f2cdb2f2ba13f60a789f47177d6e5b3e167100
sha256
b392e2170324fc5dc33fa1b4e5f008b00c2da52d14e63745a936b1660b31229a
sha512
6481934422c4fae00ef0a50404a1489aa1f424f390110be5611f9e3d4718fd3d492e43c81ee322cc08c6d006c301a3bc47dc288d27aeff7ecfe0f729d0f9636c
ripemd-160
325698f15f427dcb3bf0fce8d57988cd3e140fff
Diameter
277877722
Circumference
872978610.03147
Area
6.0645326877568E+16
Volume
1.1234656855123E+25
Surface area
2.4258130751027E+17
Circumference
872978610.03147
Perimeter
555755444
Area
19304007095977321
Diagonal
196489221.56687
Surface area
115824042575863926
Volume
2.682076758651E+24
Space diagonal
240649166.39775
Perimeter
416816583
Area
8.3588802699757E+15
Altitude
120324583.19887
Surface area
8.3588802699757E+15
Volume
3.1608577728416E+23
Height
65496407.188957