21125870 (number)

21125870 is an even 8-digits composite number following 21125869 and preceding 21125871. In scientific notation, it is written as 2.1125870 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 8450344 positive integers (up to 21125870) that are relatively prime to 21125870.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand eight hundred seventy

Notation

Scientific notation 2.1125870 × 10^7
Engineering notation 2.1125870 × 10^6

Prime Factorization of 21125870

Prime Factorization 2 × 5 × 2112587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125870
Product of the distinct prime numbers

The prime factorization of 21125870 is 2 × 5 × 2112587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21125870)

Multiplication

n×y
n×2 42251740
n×3 63377610
n×4 84503480
n×5 105629350

Division

n÷y
n÷2 10562935
n÷3 7041956.6666667
n÷3 5281467.5
n÷5 4225174

Exponentiation

ny
n2 446302383256900
n3 9.4285261293754E+21
n4 1.9918581730079E+29
n5 4.2079736821402E+36

Nth Root

y√n
2√n 4596.2887202612
3√n 276.44253553054
4√n 67.795934393304
5√n 29.17177939156

Divisors of 21125870

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 -21125869
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 21125870 can be divided by 8 positive divisors. The sum of these divisors (counting 21125870) is 1, the average is 0.125.

Base conversion 21125870

Base System Value
2 Binary 1010000100101101011101110
3 Ternary 1110202022020122
4 Quaternary 1100211223232
5 Quinary 20402011440
6 Senary 2032444542
8 Octal 120455356
10 Decimal 21125870
12 Duodecimal 70a9752
16 Hexadecimal 1425aee
20 Vigesimal 6c0eda
36 Base36 ckstq

Cryptographic Hash Functions

md5 4a9c14cedc386726b09e95e4dbc47d42
sha1 8d1f7be8bf8955e109e1667fc7008c2f353c148a
sha256 ab793d0371eb6aa62df3ae4e8a31fc19f339884ed9488a0f24863d838adea3cd
sha512 316da7dc969c5cc3373cc6f7e86ea2ed4815b7432f1792117b6fbd8bba15361fabbbbce327ac0602c9fb2ddda2ac0f6d22cee3bf4274e20631df0c48f0a77d8e
ripemd-160 e8e48ae9c69a866aee48cc4972398a747bd6883a

21125870 as geometric shapes

Circle

Radius = n
Diameter 42251740
Circumference 132737755.98539
Area 1.4021002885195E+15

Sphere

Radius = n
Volume 3.94941178963E+22
Surface area 5.608401154078E+15
Circumference 132737755.98539

Square

Length = n
Perimeter 84503480
Area 446302383256900
Diagonal 29876491.870931

Cube

Length = n
Surface area 2677814299541400
Volume 9.4285261293754E+21
Space diagonal 36591080.194095

Equilateral Triangle

Length = n
Perimeter 63377610
Area 1.9325460083501E+14
Altitude 18295540.097048

Triangular Pyramid

Length = n
Surface area 1.9325460083501E+14
Volume 1.111162460446E+21
Height 9958830.6236436