20971525 is an odd 8-digits composite number following 20971524
and preceding 20971526 . In scientific notation, it is written as 2.0971525 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 16727040 positive integers (up to 20971525) that are relatively prime to 20971525.
20971525 has 12 divisors, whose sum is 26082532
The reverse of 20971525 is 52517902
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred seventy-one thousand five hundred twenty-five
Scientific notation
2.0971525 × 10^7
Engineering notation
2.0971525 × 10^6
Prime Factorization
5 × 5 × 397 × 2113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4194305
Product of the distinct prime numbers
The prime factorization of 20971525 is 5 × 5 × 397 × 2113.
Since it has a total of 4 prime factors.
3 , 3 , 100 , 93 , 715 , 261 , 6388 , 2739 , 53140 , 52798 , 742462 , 769407 , 1051530 , 8363530 , 94262835 , 89414228 , 200576533 , 598975904 , 5717658802 , 8877077421
n×2
41943050
n×3
62914575
n×4
83886100
n×5
104857625
n÷2
10485762.5
n÷3
6990508.3333333
n÷3
5242881.25
n÷5
4194305
n2
439804860825625
n3
9.2233786339261E+21
n4
1.9342831560585E+29
n5
4.0564867564359E+36
2 √n
4579.4677638346
3 √n
275.76766224012
4 √n
67.671764893747
5 √n
29.129028637397
1 , 5 , 25 , 397 , 1985 , 2113 , 9925 , 10565 , 52825 , 838861 , 4194305 , 20971525
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971524
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971525 can be divided by 12 positive divisors.
The sum of these divisors (counting 20971525) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000000000000000101
3
Ternary
1110110110112011
4
Quaternary
1100000000011
5
Quinary
20332042100
6
Senary
2025254221
8
Octal
120000005
10
Decimal
20971525
12
Duodecimal
7034371
16
Hexadecimal
1400005
20
Vigesimal
6b18g5
36
Base36
chhqd
md5
3252f2204dd76de16270bc63d515580d
sha1
3576d18b78a6d4a24e55be0b23284cd73f6cfdc0
sha256
b6568b26038cec1c96a8a3af52926ecd81f313f9d44137718b445a9acc4c9872
sha512
e71bd5afe32a2b230f51c11b2db418a2da5160e6c2b17caa058abac399cfd010f3ee7bdff2d9bb425453827c842d8b2c72817edd0cb0a4734a66aad073b633ef
ripemd-160
8b31f354d57cf988ef5bef90975f4c42fd027395
Diameter
41943050
Circumference
131767977.74915
Area
1.3816877197829E+15
Volume
3.8634798076826E+22
Surface area
5.5267508791315E+15
Circumference
131767977.74915
Perimeter
83886100
Area
439804860825625
Diagonal
29658215.078646
Surface area
2638829164953750
Volume
9.2233786339261E+21
Space diagonal
36323746.812201
Perimeter
62914575
Area
1.9044109109144E+14
Altitude
18161873.4061
Surface area
1.9044109109144E+14
Volume
1.08698559625E+21
Height
9886071.6928821