21494537 (number)

21494537 is an odd 8-digits composite number following 21494536 and preceding 21494538. In scientific notation, it is written as 2.1494537 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20970240 positive integers (up to 21494537) that are relatively prime to 21494537.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand five hundred thirty-seven

Notation

Scientific notation 2.1494537 × 10^7
Engineering notation 2.1494537 × 10^6

Prime Factorization of 21494537

Prime Factorization 41 × 524257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494537
Product of the distinct prime numbers

The prime factorization of 21494537 is 41 × 524257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494537)

Multiplication

n×y
n×2 42989074
n×3 64483611
n×4 85978148
n×5 107472685

Division

n÷y
n÷2 10747268.5
n÷3 7164845.6666667
n÷3 5373634.25
n÷5 4298907.4

Exponentiation

ny
n2 462015120844369
n3 9.9308011095488E+21
n4 2.1345797188884E+29
n5 4.5881802747096E+36

Nth Root

y√n
2√n 4636.2201198821
3√n 278.04133488165
4√n 68.089794535467
5√n 29.272891224213

Divisors of 21494537

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 -21494536
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 21494537 can be divided by 4 positive divisors. The sum of these divisors (counting 21494537) is 1, the average is 0.25.

Base conversion 21494537

Base System Value
2 Binary 1010001111111101100001001
3 Ternary 1111110000221222
4 Quaternary 1101333230021
5 Quinary 21000311122
6 Senary 2044411425
8 Octal 121775411
10 Decimal 21494537
12 Duodecimal 7246b75
16 Hexadecimal 147fb09
20 Vigesimal 6e6g6h
36 Base36 cspah

Cryptographic Hash Functions

md5 132b7687986a92c834e07ceb3f04ac70
sha1 ee3c3dc9cad638417447abe088b4502108bbe9fa
sha256 cce08871044f35de631ab57617984624aa629eb9bf62e43343df10c2cb8c150d
sha512 8d7d211da6d6dfc0b33d1c1e00d0979c9643803bdb6bdf5da8fc929cb605d5a1dafa7c271571ed39dee2cb7c6fac4ab2595951cb92abf5a4c385e6d830ac01d1
ripemd-160 ae7871bb6dfd7c9dc007c096ec6dabd7eb6976cd

21494537 as geometric shapes

Circle

Radius = n
Diameter 42989074
Circumference 135054159.06303
Area 1.4514633094921E+15

Sphere

Radius = n
Volume 4.159804241336E+22
Surface area 5.8058532379683E+15
Circumference 135054159.06303

Square

Length = n
Perimeter 85978148
Area 462015120844369
Diagonal 30397865.74233

Cube

Length = n
Surface area 2772090725066214
Volume 9.9308011095488E+21
Space diagonal 37229630.169169

Equilateral Triangle

Length = n
Perimeter 64483611
Area 2.0005841579188E+14
Altitude 18614815.084585

Triangular Pyramid

Length = n
Surface area 2.0005841579188E+14
Volume 1.1703561345295E+21
Height 10132621.91411