20911025 (number)

20911025 is an odd 8-digits composite number following 20911024 and preceding 20911026. In scientific notation, it is written as 2.0911025 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 15593600 positive integers (up to 20911025) that are relatively prime to 20911025.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eleven thousand twenty-five

Notation

Scientific notation 2.0911025 × 10^7
Engineering notation 2.0911025 × 10^6

Prime Factorization of 20911025

Prime Factorization 25 × 23 × 41 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20911025
Product of the distinct prime numbers

The prime factorization of 20911025 is 25 × 23 × 41 × 887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 99, 86, 971, 937, 4167, 3254, 30482, 91799, 111180, 129437, 8907840, 2346204, 79237023, 81547407, 101451442, 862072189, 997847418, 5564034081

Basic calculations (n = 20911025)

Multiplication

n×y
n×2 41822050
n×3 62733075
n×4 83644100
n×5 104555125

Division

n÷y
n÷2 10455512.5
n÷3 6970341.6666667
n÷3 5227756.25
n÷5 4182205

Exponentiation

ny
n2 437270966550625
n3 9.1437841133143E+21
n4 1.9120589818812E+29
n5 3.9983113171592E+36

Nth Root

y√n
2√n 4572.8574217878
3√n 275.50222274594
4√n 67.622906043646
5√n 29.112202551881

Divisors of 20911025

1, 23, 25, 41, 575, 887, 943, 1025, 20401, 22175, 23575, 36367, 510025, 836441, 909175, 20911025

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20911024
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20911025 can be divided by 16 positive divisors. The sum of these divisors (counting 20911025) is 1, the average is 0.0625.

Base conversion 20911025

Base System Value
2 Binary 1001111110001001110110001
3 Ternary 1110100101112102
4 Quaternary 1033301032301
5 Quinary 20323123100
6 Senary 2024110145
8 Octal 117611661
10 Decimal 20911025
12 Duodecimal 7005355
16 Hexadecimal 13f13b1
20 Vigesimal 6adhb5
36 Base36 cg71t

Cryptographic Hash Functions

md5 20e8ed3accac9966129c5ed3c32ae3e0
sha1 4acce05b8e747ac00c84be0fafe327e487a2f46e
sha256 6c52cdd9efeb7c0a72efb51795689caee13b078d89dce16a22d0b1416077ce91
sha512 0aa77794656eb825bc9d432380877bd81af0f5c2f96f8e5ae8fbc9c3e089dc15df079cf958eb03841dc978e929f3830c888b255fc3a9c2472eab2b276cd7339d
ripemd-160 70d838a5a6739d1eada563cac823640adf08805b

20911025 as geometric shapes

Circle

Radius = n
Diameter 41822050
Circumference 131387845.03807
Area 1.3737272561436E+15

Sphere

Radius = n
Volume 3.8301393328532E+22
Surface area 5.4949090245742E+15
Circumference 131387845.03807

Square

Length = n
Perimeter 83644100
Area 437270966550625
Diagonal 29572655.158123

Cube

Length = n
Surface area 2623625799303750
Volume 9.1437841133143E+21
Space diagonal 36218957.738343

Equilateral Triangle

Length = n
Perimeter 62733075
Area 1.8934388268511E+14
Altitude 18109478.869171

Triangular Pyramid

Length = n
Surface area 1.8934388268511E+14
Volume 1.0776052920384E+21
Height 9857551.7193743