20970139 is an odd 8-digits composite number following 20970138
and preceding 20970140 . In scientific notation, it is written as 2.0970139 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 20357376 positive integers (up to 20970139) that are relatively prime to 20970139.
20970139 has 8 divisors, whose sum is 21591360
The reverse of 20970139 is 93107902
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred seventy thousand one hundred thirty-nine
Scientific notation
2.0970139 × 10^7
Engineering notation
2.0970139 × 10^6
Prime Factorization
97 × 53 × 4079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20970139
Product of the distinct prime numbers
The prime factorization of 20970139 is 97 × 53 × 4079.
Since it has a total of 3 prime factors.
5 , 6 , 90 , 58 , 150 , 94 , 8971 , 1877 , 55536 , 3208 , 779836 , 43352 , 2350745 , 1352281 , 46439440 , 25769296 , 539548235 , 551751229 , 9115113567 , 3328415541
n×2
41940278
n×3
62910417
n×4
83880556
n×5
104850695
n÷2
10485069.5
n÷3
6990046.3333333
n÷3
5242534.75
n÷5
4194027.8
n2
439746729679321
n3
9.2215500461708E+21
n4
1.9337718626366E+29
n5
4.0551464753778E+36
2 √n
4579.3164337049
3 √n
275.76158698013
4 √n
67.670646765824
5 √n
29.128643601965
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20970138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20970139 can be divided by 8 positive divisors.
The sum of these divisors (counting 20970139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111111101010011011
3
Ternary
1110110101121211
4
Quaternary
1033333222123
5
Quinary
20332021024
6
Senary
2025243551
8
Octal
117775233
10
Decimal
20970139
12
Duodecimal
70335b7
16
Hexadecimal
13ffa9b
20
Vigesimal
6b156j
36
Base36
chgnv
md5
ed7c8a16b3e320f1e6d6fd89128a4c0e
sha1
3ad30f88eda3d711a46ea36a7631cb9ef3116dde
sha256
92441a898cb490cf96b0a6f62c9b8ebc76b404517c8ae7a0d583ef2a851e6d95
sha512
db576d3803cac18d40c23adf5082ef461e666a33fbd3220a3857a6db94209c96ed853d87702f39d892d898ebc3e5d2816ff70e87408e45abcdddb221e5ce0845
ripemd-160
ca69c84bd33c59f8beec83730be519f28808bd95
Diameter
41940278
Circumference
131759269.25431
Area
1.3815050954007E+15
Volume
3.8627138506348E+22
Surface area
5.5260203816028E+15
Circumference
131759269.25431
Perimeter
83880556
Area
439746729679321
Diagonal
29656254.978649
Surface area
2638480378075926
Volume
9.2215500461708E+21
Space diagonal
36321346.189782
Perimeter
62910417
Area
1.9041591956671E+14
Altitude
18160673.094891
Surface area
1.9041591956671E+14
Volume
1.0867700951164E+21
Height
9885418.3262163