21491626 (number)

21491626 is an even 8-digits composite number following 21491625 and preceding 21491627. In scientific notation, it is written as 2.1491626 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9676800 positive integers (up to 21491626) that are relatively prime to 21491626.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred twenty-six

Notation

Scientific notation 2.1491626 × 10^7
Engineering notation 2.1491626 × 10^6

Prime Factorization of 21491626

Prime Factorization 2 × 13 × 41 × 20161

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491626
Product of the distinct prime numbers

The prime factorization of 21491626 is 2 × 13 × 41 × 20161. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 73, 90, 378, 50, 5595, 4424, 68202, 79323, 347047, 575780, 3412494, 3423934, 23487026, 38725715, 499921877, 485580044, 6578747436, 8567019916

Basic calculations (n = 21491626)

Multiplication

n×y
n×2 42983252
n×3 64474878
n×4 85966504
n×5 107458130

Division

n÷y
n÷2 10745813
n÷3 7163875.3333333
n÷3 5372906.5
n÷5 4298325.2

Exponentiation

ny
n2 461889988123876
n3 9.9267668779028E+21
n4 2.1334236112907E+29
n5 4.585074235343E+36

Nth Root

y√n
2√n 4635.9061681617
3√n 278.02878262451
4√n 68.087489072235
5√n 29.272098297127

Divisors of 21491626

1, 2, 13, 26, 41, 82, 533, 1066, 20161, 40322, 262093, 524186, 826601, 1653202, 10745813, 21491626

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491625
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491626 can be divided by 16 positive divisors. The sum of these divisors (counting 21491626) is 1, the average is 0.0625.

Base conversion 21491626

Base System Value
2 Binary 1010001111110111110101010
3 Ternary 1111102212222011
4 Quaternary 1101332332222
5 Quinary 21000213001
6 Senary 2044350134
8 Octal 121767652
10 Decimal 21491626
12 Duodecimal 724534a
16 Hexadecimal 147efaa
20 Vigesimal 6e6916
36 Base36 csn1m

Cryptographic Hash Functions

md5 eb5cf5ad46acab89fedf7da30dc3eeb4
sha1 08e1a44122a6ea3504082372385bfc874a2ef0aa
sha256 d6086c0fb7e509b612c7fb22eb4ec8fe9497807cec881310c0de6e3f9df9852e
sha512 5a4ff281d385adccbbeb8607b88f1ab60d3a4e66bbafd134ab522c794a48c1f720920c4775d978d8673665f4ff45465b28cab606470fb83267ac630d89f4e99c
ripemd-160 61443dbb4bc09d8d96665156f0579953864c9e44

21491626 as geometric shapes

Circle

Radius = n
Diameter 42983252
Circumference 135035868.7106
Area 1.4510701934566E+15

Sphere

Radius = n
Volume 4.1581143863357E+22
Surface area 5.8042807738266E+15
Circumference 135035868.7106

Square

Length = n
Perimeter 85966504
Area 461889988123876
Diagonal 30393748.96665

Cube

Length = n
Surface area 2771339928743256
Volume 9.9267668779028E+21
Space diagonal 37224588.169268

Equilateral Triangle

Length = n
Perimeter 64474878
Area 2.0000423173448E+14
Altitude 18612294.084634

Triangular Pyramid

Length = n
Surface area 2.0000423173448E+14
Volume 1.1698806957705E+21
Height 10131249.65555