21243397 (number)

21243397 is an odd 8-digits composite number following 21243396 and preceding 21243398. In scientific notation, it is written as 2.1243397 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18208620 positive integers (up to 21243397) that are relatively prime to 21243397.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand three hundred ninety-seven

Notation

Scientific notation 2.1243397 × 10^7
Engineering notation 2.1243397 × 10^6

Prime Factorization of 21243397

Prime Factorization 7 × 3034771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21243397
Product of the distinct prime numbers

The prime factorization of 21243397 is 7 × 3034771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243397)

Multiplication

n×y
n×2 42486794
n×3 63730191
n×4 84973588
n×5 106216985

Division

n÷y
n÷2 10621698.5
n÷3 7081132.3333333
n÷3 5310849.25
n÷5 4248679.4

Exponentiation

ny
n2 451281916099609
n3 9.5867609026247E+21
n4 2.0365536779853E+29
n5 4.3263318293253E+36

Nth Root

y√n
2√n 4609.0559770955
3√n 276.95422095319
4√n 67.89002855424
5√n 29.204164971919

Divisors of 21243397

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 -21243396
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 21243397 can be divided by 4 positive divisors. The sum of these divisors (counting 21243397) is 1, the average is 0.25.

Base conversion 21243397

Base System Value
2 Binary 1010001000010011000000101
3 Ternary 1110222021110111
4 Quaternary 1101002120011
5 Quinary 20414242042
6 Senary 2035153021
8 Octal 121023005
10 Decimal 21243397
12 Duodecimal 7145771
16 Hexadecimal 1442605
20 Vigesimal 6cf89h
36 Base36 cnbid

Cryptographic Hash Functions

md5 8d85877424f68c8500874e48311436a5
sha1 036dc90edd8fedf9daa8ba50064402856a75ba2d
sha256 f7749bd4e2978a49f3fc8884e9037b06a1bfcb5643b6839aae777d38d9a44c02
sha512 644fca1fc76dbaa5252e1e3eaa58d2efc26882efbfb363a36a5013d37caef07caf73b48c318b563d208f46bcbcecf2624b50613eb5be61895f5af06992832c06
ripemd-160 3ed5ea68ec67f3fb77e2017e1c7c335578573b48

21243397 as geometric shapes

Circle

Radius = n
Diameter 42486794
Circumference 133476199.90498
Area 1.4177439523165E+15

Sphere

Radius = n
Volume 4.0156930164543E+22
Surface area 5.6709758092658E+15
Circumference 133476199.90498

Square

Length = n
Perimeter 84973588
Area 451281916099609
Diagonal 30042700.148276

Cube

Length = n
Surface area 2707691496597654
Volume 9.5867609026247E+21
Space diagonal 36794642.929356

Equilateral Triangle

Length = n
Perimeter 63730191
Area 1.9541080180539E+14
Altitude 18397321.464678

Triangular Pyramid

Length = n
Surface area 1.9541080180539E+14
Volume 1.12981060731E+21
Height 10014233.382759