21491617 (number)

21491617 is an odd 8-digits composite number following 21491616 and preceding 21491618. In scientific notation, it is written as 2.1491617 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18313872 positive integers (up to 21491617) that are relatively prime to 21491617.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491617 × 10^7
Engineering notation 2.1491617 × 10^6

Prime Factorization of 21491617

Prime Factorization 7 × 173 × 17747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491617
Product of the distinct prime numbers

The prime factorization of 21491617 is 7 × 173 × 17747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491617)

Multiplication

n×y
n×2 42983234
n×3 64474851
n×4 85966468
n×5 107458085

Division

n÷y
n÷2 10745808.5
n÷3 7163872.3333333
n÷3 5372904.25
n÷5 4298323.4

Exponentiation

ny
n2 461889601274689
n3 9.9267544068783E+21
n4 2.1334200376569E+29
n5 4.5850646349448E+36

Nth Root

y√n
2√n 4635.9051974776
3√n 278.02874381467
4√n 68.087481944023
5√n 29.272095845485

Divisors of 21491617

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 -21491616
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 21491617 can be divided by 8 positive divisors. The sum of these divisors (counting 21491617) is 1, the average is 0.125.

Base conversion 21491617

Base System Value
2 Binary 1010001111110111110100001
3 Ternary 1111102212221211
4 Quaternary 1101332332201
5 Quinary 21000212432
6 Senary 2044350121
8 Octal 121767641
10 Decimal 21491617
12 Duodecimal 7245341
16 Hexadecimal 147efa1
20 Vigesimal 6e690h
36 Base36 csn1d

Cryptographic Hash Functions

md5 e128f989b8be811a36a789c0acc7ae0b
sha1 6d986066ca7e5e29da471b3b655c87930c4ae61a
sha256 9eb5a0c068cc75459db417b1537470ad36eb64f5b4470c5b5ff416d80fa0a99e
sha512 77f07f8796f5111aa7687803afa36ab156e218bb4606184616c15dae7c772819f0289d56bf3fce429871c2f81ad1ff4b8d35ec7a945e39c09bf5cf879f2e0679
ripemd-160 d9b8fdb7b9794fdbf8932b4a7a5e31bbf54272c2

21491617 as geometric shapes

Circle

Radius = n
Diameter 42983234
Circumference 135035812.16193
Area 1.4510689781341E+15

Sphere

Radius = n
Volume 4.1581091624852E+22
Surface area 5.8042759125363E+15
Circumference 135035812.16193

Square

Length = n
Perimeter 85966468
Area 461889601274689
Diagonal 30393736.238728

Cube

Length = n
Surface area 2771337607648134
Volume 9.9267544068783E+21
Space diagonal 37224572.580811

Equilateral Triangle

Length = n
Perimeter 64474851
Area 2.0000406422387E+14
Altitude 18612286.290406

Triangular Pyramid

Length = n
Surface area 2.0000406422387E+14
Volume 1.1698792260462E+21
Height 10131245.412909