21495961 (number)

21495961 is an odd 8-digits composite number following 21495960 and preceding 21495962. In scientific notation, it is written as 2.1495961 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20561332 positive integers (up to 21495961) that are relatively prime to 21495961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495961 × 10^7
Engineering notation 2.1495961 × 10^6

Prime Factorization of 21495961

Prime Factorization 23 × 934607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21495961
Product of the distinct prime numbers

The prime factorization of 21495961 is 23 × 934607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495961)

Multiplication

n×y
n×2 42991922
n×3 64487883
n×4 85983844
n×5 107479805

Division

n÷y
n÷2 10747980.5
n÷3 7165320.3333333
n÷3 5373990.25
n÷5 4299192.2

Exponentiation

ny
n2 462076339313521
n3 9.9327749689062E+21
n4 2.1351454335338E+29
n5 4.5897002968572E+36

Nth Root

y√n
2√n 4636.3736907199
3√n 278.04747476916
4√n 68.090922234318
5√n 29.273279076182

Divisors of 21495961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495961 can be divided by 4 positive divisors. The sum of these divisors (counting 21495961) is 1, the average is 0.25.

Base conversion 21495961

Base System Value
2 Binary 1010010000000000010011001
3 Ternary 1111110002220201
4 Quaternary 1102000002121
5 Quinary 21000332321
6 Senary 2044422201
8 Octal 122000231
10 Decimal 21495961
12 Duodecimal 7247961
16 Hexadecimal 1480099
20 Vigesimal 6e6ji1
36 Base36 csqe1

Cryptographic Hash Functions

md5 e0bf3f7b1cc0cc0b7dc0fcb56d84b3d9
sha1 20b7bdd5dc305af245150b05a333c2bbf62754b6
sha256 7b0e1f670c648f4000bbfb08102b24c43fb04b62836d15f40fcc7c7748e49aa3
sha512 1bd4f3c84a3f560203bfffedb592df5ff34cc43a52688bd4c74b59778d1a5724313565a16907aa10831e89585d1f3424ad721ad63e0a0f6b941d323b2fe055dd
ripemd-160 40e9bba622ffc4f1dfa28d7e43b1c217d86f4a1b

21495961 as geometric shapes

Circle

Radius = n
Diameter 42991922
Circumference 135063106.31891
Area 1.451655632985E+15

Sphere

Radius = n
Volume 4.1606310496102E+22
Surface area 5.8066225319401E+15
Circumference 135063106.31891

Square

Length = n
Perimeter 85983844
Area 462076339313521
Diagonal 30399879.582443

Cube

Length = n
Surface area 2772458035881126
Volume 9.9327749689062E+21
Space diagonal 37232096.609519

Equilateral Triangle

Length = n
Perimeter 64487883
Area 2.0008492416661E+14
Altitude 18616048.30476

Triangular Pyramid

Length = n
Surface area 2.0008492416661E+14
Volume 1.1705887560856E+21
Height 10133293.194148