21497851 (number)

21497851 is an odd 8-digits composite number following 21497850 and preceding 21497852. In scientific notation, it is written as 2.1497851 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20710080 positive integers (up to 21497851) that are relatively prime to 21497851.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred fifty-one

Notation

Scientific notation 2.1497851 × 10^7
Engineering notation 2.1497851 × 10^6

Prime Factorization of 21497851

Prime Factorization 103 × 37 × 5641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497851
Product of the distinct prime numbers

The prime factorization of 21497851 is 103 × 37 × 5641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497851)

Multiplication

n×y
n×2 42995702
n×3 64493553
n×4 85991404
n×5 107489255

Division

n÷y
n÷2 10748925.5
n÷3 7165950.3333333
n÷3 5374462.75
n÷5 4299570.2

Exponentiation

ny
n2 462157597618201
n3 9.935395172114E+21
n4 2.1358964503623E+29
n5 4.5917183641317E+36

Nth Root

y√n
2√n 4636.5775093273
3√n 278.05562349884
4√n 68.092418882922
5√n 29.273793819875

Divisors of 21497851

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 -21497850
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 21497851 can be divided by 8 positive divisors. The sum of these divisors (counting 21497851) is 1, the average is 0.125.

Base conversion 21497851

Base System Value
2 Binary 1010010000000011111111011
3 Ternary 1111110012111201
4 Quaternary 1102000133323
5 Quinary 21000412401
6 Senary 2044435031
8 Octal 122003773
10 Decimal 21497851
12 Duodecimal 7248a77
16 Hexadecimal 14807fb
20 Vigesimal 6e74cb
36 Base36 csruj

Cryptographic Hash Functions

md5 01509aed94dcaa6e52837ab13123262c
sha1 c2c883f05d146bf5b69a1dd2fe2a78a2e7adc407
sha256 d0749b5b8ca391bdf6e0d86ae870b5e2f9327f3e5be784c930d8413ead9fd9aa
sha512 9400d0332e762953e668485fc64cb4edc1f59b1dc59949552ffcb524a47f31026ccfdee1b8972c01ecd821710e05ad16197d0176c6716d11bba86f63484543f7
ripemd-160 cfe095d7b61c3c4e80fac601176776ea39f9f852

21497851 as geometric shapes

Circle

Radius = n
Diameter 42995702
Circumference 135074981.53914
Area 1.451910913478E+15

Sphere

Radius = n
Volume 4.1617285977633E+22
Surface area 5.8076436539122E+15
Circumference 135074981.53914

Square

Length = n
Perimeter 85991404
Area 462157597618201
Diagonal 30402552.446076

Cube

Length = n
Surface area 2772945585709206
Volume 9.935395172114E+21
Space diagonal 37235370.185545

Equilateral Triangle

Length = n
Perimeter 64493553
Area 2.0012011004467E+14
Altitude 18617685.092773

Triangular Pyramid

Length = n
Surface area 2.0012011004467E+14
Volume 1.170897549995E+21
Height 10134184.148692