21491401 (number)

21491401 is an odd 8-digits composite number following 21491400 and preceding 21491402. In scientific notation, it is written as 2.1491401 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 20748000 positive integers (up to 21491401) that are relatively prime to 21491401.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491401 × 10^7
Engineering notation 2.1491401 × 10^6

Prime Factorization of 21491401

Prime Factorization 31 × 911 × 761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491401
Product of the distinct prime numbers

The prime factorization of 21491401 is 31 × 911 × 761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491401)

Multiplication

n×y
n×2 42982802
n×3 64474203
n×4 85965604
n×5 107457005

Division

n÷y
n÷2 10745700.5
n÷3 7163800.3333333
n÷3 5372850.25
n÷5 4298280.2

Exponentiation

ny
n2 461880316942801
n3 9.9264551054248E+21
n4 2.1333342717918E+29
n5 4.5848342302121E+36

Nth Root

y√n
2√n 4635.8819009979
3√n 278.02781237538
4√n 68.087310866254
5√n 29.272037005816

Divisors of 21491401

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491400
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491401 can be divided by 8 positive divisors. The sum of these divisors (counting 21491401) is 1, the average is 0.125.

Base conversion 21491401

Base System Value
2 Binary 1010001111110111011001001
3 Ternary 1111102212122211
4 Quaternary 1101332323021
5 Quinary 21000211101
6 Senary 2044345121
8 Octal 121767311
10 Decimal 21491401
12 Duodecimal 72451a1
16 Hexadecimal 147eec9
20 Vigesimal 6e68a1
36 Base36 csmvd

Cryptographic Hash Functions

md5 0b5827182b94cb30d93aaed70bbaf0fc
sha1 d274e4f4c2821a7776fce6a8b7001431ccc9dcd8
sha256 b32ca67fa243eee1696dccea94b431fb72711ac59da837646585898c3410b507
sha512 7421f5ee21ea077b4b7368fcda12ca9bf868105f8b5e09caf7307c302885a2772f6cdcebd0d2795f40661150acb6730f8fb2e682c3fb6c0953375bbf6ff6ee53
ripemd-160 5af360f71bd10c4917dd9be5196e52af793db67a

21491401 as geometric shapes

Circle

Radius = n
Diameter 42982802
Circumference 135034454.9939
Area 1.4510398105452E+15

Sphere

Radius = n
Volume 4.1579837913855E+22
Surface area 5.8041592421809E+15
Circumference 135034454.9939

Square

Length = n
Perimeter 85965604
Area 461880316942801
Diagonal 30393430.768599

Cube

Length = n
Surface area 2771281901656806
Volume 9.9264551054248E+21
Space diagonal 37224198.457837

Equilateral Triangle

Length = n
Perimeter 64474203
Area 2.0000004399024E+14
Altitude 18612099.228918

Triangular Pyramid

Length = n
Surface area 2.0000004399024E+14
Volume 1.1698439530316E+21
Height 10131143.589533