21125965 (number)

21125965 is an odd 8-digits composite number following 21125964 and preceding 21125966. In scientific notation, it is written as 2.1125965 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 14385600 positive integers (up to 21125965) that are relatively prime to 21125965.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand nine hundred sixty-five

Notation

Scientific notation 2.1125965 × 10^7
Engineering notation 2.1125965 × 10^6

Prime Factorization of 21125965

Prime Factorization 5 × 7 × 149 × 4051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21125965
Product of the distinct prime numbers

The prime factorization of 21125965 is 5 × 7 × 149 × 4051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 5, 79, 146, 661, 6094, 6799, 1746, 50625, 330308, 19281, 4772225, 6216571, 71966429, 39544210, 225612208, 561953534, 9265014596, 6860397532

Basic calculations (n = 21125965)

Multiplication

n×y
n×2 42251930
n×3 63377895
n×4 84503860
n×5 105629825

Division

n÷y
n÷2 10562982.5
n÷3 7041988.3333333
n÷3 5281491.25
n÷5 4225193

Exponentiation

ny
n2 446306397181225
n3 9.4286533261267E+21
n4 1.9918940016489E+29
n5 4.2080682962544E+36

Nth Root

y√n
2√n 4596.2990546743
3√n 276.44294990403
4√n 67.796010610318
5√n 29.171805627773

Divisors of 21125965

1, 5, 7, 35, 149, 745, 1043, 4051, 5215, 20255, 28357, 141785, 603599, 3017995, 4225193, 21125965

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 -21125964
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 21125965 can be divided by 16 positive divisors. The sum of these divisors (counting 21125965) is 1, the average is 0.0625.

Base conversion 21125965

Base System Value
2 Binary 1010000100101101101001101
3 Ternary 1110202022101011
4 Quaternary 1100211231031
5 Quinary 20402012330
6 Senary 2032445221
8 Octal 120455515
10 Decimal 21125965
12 Duodecimal 70a9811
16 Hexadecimal 1425b4d
20 Vigesimal 6c0ei5
36 Base36 ckswd

Cryptographic Hash Functions

md5 efeabb627b3ce857b03ce6a7e12ae498
sha1 345552c0fca52e3a1e9619b2dccad8f9a65f06d1
sha256 50c60c1f3a454d745eba6f8cbbdd6ccdb3fe0601c1c754e56a7909af57b69a41
sha512 215012ee49b53c87f95a157f94e36234646412b1fb0356cc55476900fafe781b20a3bbce39ba4de7652efec8269dc234ba7f9862c84d0983b8cc71ee5b55925d
ripemd-160 becdf8317b993e42e135c7bb73d2e16f92deb4f6

21125965 as geometric shapes

Circle

Radius = n
Diameter 42251930
Circumference 132738352.88799
Area 1.4021128986347E+15

Sphere

Radius = n
Volume 3.9494650696806E+22
Surface area 5.6084515945387E+15
Circumference 132738352.88799

Square

Length = n
Perimeter 84503860
Area 446306397181225
Diagonal 29876626.221219

Cube

Length = n
Surface area 2677838383087350
Volume 9.4286533261267E+21
Space diagonal 36591244.738922

Equilateral Triangle

Length = n
Perimeter 63377895
Area 1.9325633891522E+14
Altitude 18295622.369461

Triangular Pyramid

Length = n
Surface area 1.9325633891522E+14
Volume 1.1111774507269E+21
Height 9958875.4070731