21031517 (number)

21031517 is an odd 8-digits composite number following 21031516 and preceding 21031518. In scientific notation, it is written as 2.1031517 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19413696 positive integers (up to 21031517) that are relatively prime to 21031517.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031517 × 10^7
Engineering notation 2.1031517 × 10^6

Prime Factorization of 21031517

Prime Factorization 13 × 1617809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031517
Product of the distinct prime numbers

The prime factorization of 21031517 is 13 × 1617809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031517)

Multiplication

n×y
n×2 42063034
n×3 63094551
n×4 84126068
n×5 105157585

Division

n÷y
n÷2 10515758.5
n÷3 7010505.6666667
n÷3 5257879.25
n÷5 4206303.4

Exponentiation

ny
n2 442324707321289
n3 9.3027596015477E+21
n4 1.9565114670686E+29
n5 4.1148404180349E+36

Nth Root

y√n
2√n 4586.0131923055
3√n 276.03036930403
4√n 67.72010921658
5√n 29.145675137958

Divisors of 21031517

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 -21031516
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 21031517 can be divided by 4 positive divisors. The sum of these divisors (counting 21031517) is 1, the average is 0.25.

Base conversion 21031517

Base System Value
2 Binary 1010000001110101001011101
3 Ternary 1110120111211002
4 Quaternary 1100032221131
5 Quinary 20341002032
6 Senary 2030440045
8 Octal 120165135
10 Decimal 21031517
12 Duodecimal 7063025
16 Hexadecimal 140ea5d
20 Vigesimal 6b8ifh
36 Base36 cis0t

Cryptographic Hash Functions

md5 e9cf70df75a5e4b04fafe2e1bdb3f44e
sha1 2473765e29b6944b6587c0d354713f76058ff0b8
sha256 99c4e7ce10fb5c7b7eff07da1c9e4e1d8c81ac2ffb067c9b4b5468ddade265ac
sha512 0f0181d147930323fd5eb2f41089e1e0cb2ab35b335ac4ffccb3681776a25c4bcb94da1e2f8af5f5bc21b6c167d4bf62589d991dbf960595cc5c3ddab908a09e
ripemd-160 fb63dd6f3021540c446ab5eaae06da6fbe9ba3be

21031517 as geometric shapes

Circle

Radius = n
Diameter 42063034
Circumference 132144918.6021
Area 1.3896040510218E+15

Sphere

Radius = n
Volume 3.8967308296446E+22
Surface area 5.5584162040873E+15
Circumference 132144918.6021

Square

Length = n
Perimeter 84126068
Area 442324707321289
Diagonal 29743056.57868

Cube

Length = n
Surface area 2653948243927734
Volume 9.3027596015477E+21
Space diagonal 36427656.004249

Equilateral Triangle

Length = n
Perimeter 63094551
Area 1.9153221663088E+14
Altitude 18213828.002124

Triangular Pyramid

Length = n
Surface area 1.9153221663088E+14
Volume 1.0963407330004E+21
Height 9914352.1928934