21293921 (number)

21293921 is an odd 8-digits composite number following 21293920 and preceding 21293922. In scientific notation, it is written as 2.1293921 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19358100 positive integers (up to 21293921) that are relatively prime to 21293921.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-three thousand nine hundred twenty-one

Notation

Scientific notation 2.1293921 × 10^7
Engineering notation 2.1293921 × 10^6

Prime Factorization of 21293921

Prime Factorization 11 × 1935811

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21293921
Product of the distinct prime numbers

The prime factorization of 21293921 is 11 × 1935811. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293921)

Multiplication

n×y
n×2 42587842
n×3 63881763
n×4 85175684
n×5 106469605

Division

n÷y
n÷2 10646960.5
n÷3 7097973.6666667
n÷3 5323480.25
n÷5 4258784.2

Exponentiation

ny
n2 453431071554241
n3 9.6553254166214E+21
n4 2.0559973665083E+29
n5 4.3780245498635E+36

Nth Root

y√n
2√n 4614.5336709141
3√n 277.173610794
4√n 67.930358978251
5√n 29.218043256305

Divisors of 21293921

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 -21293920
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 21293921 can be divided by 4 positive divisors. The sum of these divisors (counting 21293921) is 1, the average is 0.25.

Base conversion 21293921

Base System Value
2 Binary 1010001001110101101100001
3 Ternary 1111001211202202
4 Quaternary 1101032231201
5 Quinary 20422401141
6 Senary 2040222545
8 Octal 121165541
10 Decimal 21293921
12 Duodecimal 716aa55
16 Hexadecimal 144eb61
20 Vigesimal 6d1eg1
36 Base36 coeht

Cryptographic Hash Functions

md5 4fe05e9d8587a5e1f0862d90c000fd93
sha1 8eb59b7ca64e6485812cf646b783697f0f5ee966
sha256 dde1a265953a53c4d7cdab5193773d4d69e1505ae8112d767f7955c02d4943e7
sha512 927d984706985374035f81774245ccec60b8e346a423fd23d4d15915bc846c418a8989418c10c1e2d1df39a40c1bd5ade205e4d932b7b6f514acaa0f85de3fc2
ripemd-160 7d7c960af94b94cdd3ce317cd3e0ef10dcf2c51c

21293921 as geometric shapes

Circle

Radius = n
Diameter 42587842
Circumference 133793651.55944
Area 1.4244957233042E+15

Sphere

Radius = n
Volume 4.0444132529169E+22
Surface area 5.6979828932166E+15
Circumference 133793651.55944

Square

Length = n
Perimeter 85175684
Area 453431071554241
Diagonal 30114151.874301

Cube

Length = n
Surface area 2720586429325446
Volume 9.6553254166214E+21
Space diagonal 36882153.064358

Equilateral Triangle

Length = n
Perimeter 63881763
Area 1.9634141341559E+14
Altitude 18441076.532179

Triangular Pyramid

Length = n
Surface area 1.9634141341559E+14
Volume 1.137891012776E+21
Height 10038050.624767