21451497 (number)

21451497 is an odd 8-digits composite number following 21451496 and preceding 21451498. In scientific notation, it is written as 2.1451497 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14300996 positive integers (up to 21451497) that are relatively prime to 21451497.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1451497 × 10^7
Engineering notation 2.1451497 × 10^6

Prime Factorization of 21451497

Prime Factorization 3 × 7150499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21451497
Product of the distinct prime numbers

The prime factorization of 21451497 is 3 × 7150499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21451497)

Multiplication

n×y
n×2 42902994
n×3 64354491
n×4 85805988
n×5 107257485

Division

n÷y
n÷2 10725748.5
n÷3 7150499
n÷3 5362874.25
n÷5 4290299.4

Exponentiation

ny
n2 460166723541009
n3 9.8712650895398E+21
n4 2.1175341345447E+29
n5 4.5424277134583E+36

Nth Root

y√n
2√n 4631.5760816379
3√n 277.85563040343
4√n 68.055683683568
5√n 29.261158795917

Divisors of 21451497

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 -21451496
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 21451497 can be divided by 4 positive divisors. The sum of these divisors (counting 21451497) is 1, the average is 0.25.

Base conversion 21451497

Base System Value
2 Binary 1010001110101001011101001
3 Ternary 1111100211220220
4 Quaternary 1101311023221
5 Quinary 20442421442
6 Senary 2043440253
8 Octal 121651351
10 Decimal 21451497
12 Duodecimal 7226089
16 Hexadecimal 14752e9
20 Vigesimal 6e18eh
36 Base36 crs2x

Cryptographic Hash Functions

md5 b9338fe09a36fddfc4269837b8f10666
sha1 bfe24ed487dc4d12f1d65b0d1928d655062cd98c
sha256 adb53eeac68d7fc37617eb5e2629a72e89e379639546dd43f625e3c204ca585d
sha512 81a832d21bfd1b8a2f3ce428ba847d7199693f76dbe86f6c3898bf4242b9fe5bd8e0314222b44c7e834c59e3ac078ffff079236ccc6a0ea508611db0cdb02bee
ripemd-160 3efe24f5b2937eff5148dc914504fc0ea21c9257

21451497 as geometric shapes

Circle

Radius = n
Diameter 42902994
Circumference 134783730.76741
Area 1.4456563981029E+15

Sphere

Radius = n
Volume 4.1348658515914E+22
Surface area 5.7826255924117E+15
Circumference 134783730.76741

Square

Length = n
Perimeter 85805988
Area 460166723541009
Diagonal 30336997.990606

Cube

Length = n
Surface area 2761000341246054
Volume 9.8712650895398E+21
Space diagonal 37155082.702411

Equilateral Triangle

Length = n
Perimeter 64354491
Area 1.9925803628138E+14
Altitude 18577541.351206

Triangular Pyramid

Length = n
Surface area 1.9925803628138E+14
Volume 1.1633397472839E+21
Height 10112332.663535