21494551 (number)

21494551 is an odd 8-digits composite number following 21494550 and preceding 21494552. In scientific notation, it is written as 2.1494551 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19841112 positive integers (up to 21494551) that are relatively prime to 21494551.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494551 × 10^7
Engineering notation 2.1494551 × 10^6

Prime Factorization of 21494551

Prime Factorization 13 × 1653427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494551
Product of the distinct prime numbers

The prime factorization of 21494551 is 13 × 1653427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494551)

Multiplication

n×y
n×2 42989102
n×3 64483653
n×4 85978204
n×5 107472755

Division

n÷y
n÷2 10747275.5
n÷3 7164850.3333333
n÷3 5373637.75
n÷5 4298910.2

Exponentiation

ny
n2 462015722691601
n3 9.9308205141965E+21
n4 2.1345852801424E+29
n5 4.5881952167871E+36

Nth Root

y√n
2√n 4636.2216297326
3√n 278.04139524703
4√n 68.089805622667
5√n 29.272895037464

Divisors of 21494551

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 -21494550
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 21494551 can be divided by 4 positive divisors. The sum of these divisors (counting 21494551) is 1, the average is 0.25.

Base conversion 21494551

Base System Value
2 Binary 1010001111111101100010111
3 Ternary 1111110000222111
4 Quaternary 1101333230113
5 Quinary 21000311201
6 Senary 2044411451
8 Octal 121775427
10 Decimal 21494551
12 Duodecimal 7246b87
16 Hexadecimal 147fb17
20 Vigesimal 6e6g7b
36 Base36 cspav

Cryptographic Hash Functions

md5 e59e527093a47073f33b816841f50314
sha1 ccf8e03069d99b4ff1cfccc197f602a8c2afcb1d
sha256 ca44a3b88023bc6303a006adaad852c35d7ba832f2a132b2d7dc22cd9891a9d1
sha512 f10bbd1d992b46a7156f2f3fd62fd3e790223c9a5b3a2c1491a00c03df230c70b823110104539c1f3400e362dce5bcf48135e387b42873c53a0110c115a533aa
ripemd-160 f5812af0b4e1f9a5347f7e2a0c47968bc47806dc

21494551 as geometric shapes

Circle

Radius = n
Diameter 42989102
Circumference 135054247.02762
Area 1.4514652002509E+15

Sphere

Radius = n
Volume 4.1598123695358E+22
Surface area 5.8058608010037E+15
Circumference 135054247.02762

Square

Length = n
Perimeter 85978204
Area 462015722691601
Diagonal 30397885.54132

Cube

Length = n
Surface area 2772094336149606
Volume 9.9308205141965E+21
Space diagonal 37229654.41788

Equilateral Triangle

Length = n
Perimeter 64483653
Area 2.0005867639938E+14
Altitude 18614827.20894

Triangular Pyramid

Length = n
Surface area 2.0005867639938E+14
Volume 1.1703584213891E+21
Height 10132628.513773