21131817 (number)

21131817 is an odd 8-digits composite number following 21131816 and preceding 21131818. In scientific notation, it is written as 2.1131817 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12037392 positive integers (up to 21131817) that are relatively prime to 21131817.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred seventeen

Notation

Scientific notation 2.1131817 × 10^7
Engineering notation 2.1131817 × 10^6

Prime Factorization of 21131817

Prime Factorization 21 × 359 × 2803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131817
Product of the distinct prime numbers

The prime factorization of 21131817 is 21 × 359 × 2803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131817)

Multiplication

n×y
n×2 42263634
n×3 63395451
n×4 84527268
n×5 105659085

Division

n÷y
n÷2 10565908.5
n÷3 7043939
n÷3 5282954.25
n÷5 4226363.4

Exponentiation

ny
n2 446553689721489
n3 9.4364908518693E+21
n4 1.9941019780388E+29
n5 4.2138998079253E+36

Nth Root

y√n
2√n 4596.9356097296
3√n 276.46847291629
4√n 67.800705082835
5√n 29.173421596504

Divisors of 21131817

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 -21131816
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 21131817 can be divided by 8 positive divisors. The sum of these divisors (counting 21131817) is 1, the average is 0.125.

Base conversion 21131817

Base System Value
2 Binary 1010000100111001000101001
3 Ternary 1110202121101220
4 Quaternary 1100213020221
5 Quinary 20402204232
6 Senary 2032532253
8 Octal 120471051
10 Decimal 21131817
12 Duodecimal 70b1089
16 Hexadecimal 1427229
20 Vigesimal 6c19ah
36 Base36 ckxex

Cryptographic Hash Functions

md5 283aeae6310ad673c7f436e09c7e5f78
sha1 bb41f1d5621a53448b76779de31c4ba9f86309cd
sha256 533b801048f7e90e895dc3733ad604d21e010794353b7b03ada4c991d7b5747b
sha512 79bc598ceed3c8e567ba40ad520ad745007fc296f6ee75ac550124b93059e0792235d3bb3cdb11d8d57ee8c0c3a4479ebb98f10456421a7e8f3e0e93bb30eae5
ripemd-160 75980a2a7a977f302e813abc3c0247c28b5599c3

21131817 as geometric shapes

Circle

Radius = n
Diameter 42263634
Circumference 132775122.08841
Area 1.4028897910624E+15

Sphere

Radius = n
Volume 3.9527480447866E+22
Surface area 5.6115591642498E+15
Circumference 132775122.08841

Square

Length = n
Perimeter 84527268
Area 446553689721489
Diagonal 29884902.198986

Cube

Length = n
Surface area 2679322138328934
Volume 9.4364908518693E+21
Space diagonal 36601380.700248

Equilateral Triangle

Length = n
Perimeter 63395451
Area 1.9336341972624E+14
Altitude 18300690.350124

Triangular Pyramid

Length = n
Surface area 1.9336341972624E+14
Volume 1.1121011119936E+21
Height 9961634.0663288