138956989 is an odd 9-digits composite number following 138956988
and preceding 138956990 . In scientific notation, it is written as 1.38956989 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 138856960 positive integers (up to 138956989) that are relatively prime to 138956989.
138956989 has 4 divisors, whose sum is 139057020
The reverse of 138956989 is 989659831
Previous prime number is 1409
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred thirty-eight million nine hundred fifty-six thousand nine hundred eighty-nine
Scientific notation
1.38956989 × 10^8
Engineering notation
1.38956989 × 10^6
Prime Factorization
1409 × 98621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138956989
Product of the distinct prime numbers
The prime factorization of 138956989 is 1409 × 98621.
Since it has a total of 2 prime factors.
1 , 2 , 10 , 34 , 199 , 943 , 822 , 4187 , 76068 , 42642 , 644368 , 462282 , 2598533 , 8724424 , 20631333 , 63407125 , 403534725 , 516698410 , 7279324554 , 2475198648
n×2
277913978
n×3
416870967
n×4
555827956
n×5
694784945
n÷2
69478494.5
n÷3
46318996.333333
n÷3
34739247.25
n÷5
27791397.8
n2
19309044791946121
n3
2.683126724755E+24
n4
3.7283921077738E+32
n5
5.1808614110761E+40
2 √n
11788.001908721
3 √n
517.9567116472
4 √n
108.57256517519
5 √n
42.518318317829
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138956988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138956989 can be divided by 4 positive divisors.
The sum of these divisors (counting 138956989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010000101000010111101
3
Ternary
100200110202011011
4
Quaternary
20102011002331
5
Quinary
241033110424
6
Senary
21442155221
8
Octal
1022050275
10
Decimal
138956989
12
Duodecimal
3a652b11
16
Hexadecimal
84850bd
20
Vigesimal
2389c99
36
Base36
2aqbwd
md5
3f28dcb678914ce41f40edb138032e6b
sha1
095e499218f15ee4ad3230c46482de081a30a678
sha256
ecf27e65e7b3f20f050fd9a23f5921ebf28861fc0d4d178e88ad453ad70e1fae
sha512
ac3537e332a5edeaee3aae54906793ed5e1374eee4fb325c3626deceace2ccc40feeb74f8a84b49647b8bbe0dd860831f2a722b0c3e98f2822004128c760b99d
ripemd-160
2bdaf2c5205a7a391e081f2dff72e0b78e732aa2
Diameter
277913978
Circumference
873092511.61472
Area
6.0661153266214E+16
Volume
1.1239054942854E+25
Surface area
2.4264461306486E+17
Circumference
873092511.61472
Perimeter
555827956
Area
19309044791946121
Diagonal
196514858.43033
Surface area
115854268751676726
Volume
2.683126724755E+24
Space diagonal
240680565.01479
Perimeter
416870967
Area
8.3610616563185E+15
Altitude
120340282.50739
Surface area
8.3610616563185E+15
Volume
3.1620951697618E+23
Height
65504952.81011