21243658 (number)

21243658 is an even 8-digits composite number following 21243657 and preceding 21243659. In scientific notation, it is written as 2.1243658 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 10184800 positive integers (up to 21243658) that are relatively prime to 21243658.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand six hundred fifty-eight

Notation

Scientific notation 2.1243658 × 10^7
Engineering notation 2.1243658 × 10^6

Prime Factorization of 21243658

Prime Factorization 2 × 41 × 59 × 4391

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21243658
Product of the distinct prime numbers

The prime factorization of 21243658 is 2 × 41 × 59 × 4391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243658)

Multiplication

n×y
n×2 42487316
n×3 63730974
n×4 84974632
n×5 106218290

Division

n÷y
n÷2 10621829
n÷3 7081219.3333333
n÷3 5310914.5
n÷5 4248731.6

Exponentiation

ny
n2 451293005220964
n3 9.5871142607064E+21
n4 2.0366537656137E+29
n5 4.3265976061109E+36

Nth Root

y√n
2√n 4609.0842908326
3√n 276.95535518415
4√n 67.890237080398
5√n 29.204236733037

Divisors of 21243658

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 -21243657
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 21243658 can be divided by 16 positive divisors. The sum of these divisors (counting 21243658) is 1, the average is 0.0625.

Base conversion 21243658

Base System Value
2 Binary 1010001000010011100001010
3 Ternary 1110222021211011
4 Quaternary 1101002130022
5 Quinary 20414244113
6 Senary 2035154134
8 Octal 121023412
10 Decimal 21243658
12 Duodecimal 714594a
16 Hexadecimal 144270a
20 Vigesimal 6cf92i
36 Base36 cnbpm

Cryptographic Hash Functions

md5 ba9da7794a3106d298a5e6e54495fea5
sha1 538ca083e26fc9910821cc01016b171d38124efb
sha256 b5437394cf87b344254ca56004b61fd3ff12af7485c535360837b5f186e861b6
sha512 b38f7543fa73f19d9494ac6b31b810a4f0d65b239ad493cc429ea77015292e97d0a53b4cc1f28352fbe231491ca5eb0bd11210397cdeca486b86576641eed4f8
ripemd-160 18597f05792227514610b896cd30240e79dbd998

21243658 as geometric shapes

Circle

Radius = n
Diameter 42487316
Circumference 133477839.81635
Area 1.4177787898186E+15

Sphere

Radius = n
Volume 4.0158410307415E+22
Surface area 5.6711151592746E+15
Circumference 133477839.81635

Square

Length = n
Perimeter 84974632
Area 451293005220964
Diagonal 30043069.258016

Cube

Length = n
Surface area 2707758031325784
Volume 9.5871142607064E+21
Space diagonal 36795094.994617

Equilateral Triangle

Length = n
Perimeter 63730974
Area 1.9541560353579E+14
Altitude 18397547.497309

Triangular Pyramid

Length = n
Surface area 1.9541560353579E+14
Volume 1.1298522509593E+21
Height 10014356.419339