21291241 (number)

21291241 is an odd 8-digits composite number following 21291240 and preceding 21291242. In scientific notation, it is written as 2.1291241 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21155472 positive integers (up to 21291241) that are relatively prime to 21291241.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291241 × 10^7
Engineering notation 2.1291241 × 10^6

Prime Factorization of 21291241

Prime Factorization 157 × 135613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21291241
Product of the distinct prime numbers

The prime factorization of 21291241 is 157 × 135613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291241)

Multiplication

n×y
n×2 42582482
n×3 63873723
n×4 85164964
n×5 106456205

Division

n÷y
n÷2 10645620.5
n÷3 7097080.3333333
n÷3 5322810.25
n÷5 4258248.2

Exponentiation

ny
n2 453316943320081
n3 9.6516802896112E+21
n4 2.0549625110106E+29
n5 4.3752702067892E+36

Nth Root

y√n
2√n 4614.2432749043
3√n 277.16198217877
4√n 67.928221490809
5√n 29.217307757208

Divisors of 21291241

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 -21291240
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 21291241 can be divided by 4 positive divisors. The sum of these divisors (counting 21291241) is 1, the average is 0.25.

Base conversion 21291241

Base System Value
2 Binary 1010001001110000011101001
3 Ternary 1111001201002111
4 Quaternary 1101032003221
5 Quinary 20422304431
6 Senary 2040202321
8 Octal 121160351
10 Decimal 21291241
12 Duodecimal 71693a1
16 Hexadecimal 144e0e9
20 Vigesimal 6d1821
36 Base36 cocfd

Cryptographic Hash Functions

md5 2703b2e27188d5927ae1d9b3bc9224e4
sha1 4fbc1c7fdf1c8f1e036a555fabda2f07cf0d3959
sha256 635d34aa7143e50fdc85b9963a875dcf4f68cffaa20230cd0a09f5e6a9299255
sha512 7651f7a1674fc0cdc8844e073567f26e55fc08a911d7f271617dc15a608a74302049e472d04d7c001651a72dec37af3aeaf22af39ac15cc3db552cc7b5e1a248
ripemd-160 c1b96af2e33bc9333ea65f78c58e6da83eb7f813

21291241 as geometric shapes

Circle

Radius = n
Diameter 42582482
Circumference 133776812.62282
Area 1.4241371788821E+15

Sphere

Radius = n
Volume 4.0428863856853E+22
Surface area 5.6965487155286E+15
Circumference 133776812.62282

Square

Length = n
Perimeter 85164964
Area 453316943320081
Diagonal 30110361.781954

Cube

Length = n
Surface area 2719901659920486
Volume 9.6516802896112E+21
Space diagonal 36877511.168194

Equilateral Triangle

Length = n
Perimeter 63873723
Area 1.9629199444055E+14
Altitude 18438755.584097

Triangular Pyramid

Length = n
Surface area 1.9629199444055E+14
Volume 1.1374614304381E+21
Height 10036787.260651