21031497 (number)

21031497 is an odd 8-digits composite number following 21031496 and preceding 21031498. In scientific notation, it is written as 2.1031497 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13967640 positive integers (up to 21031497) that are relatively prime to 21031497.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031497 × 10^7
Engineering notation 2.1031497 × 10^6

Prime Factorization of 21031497

Prime Factorization 9 × 271 × 8623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031497
Product of the distinct prime numbers

The prime factorization of 21031497 is 9 × 271 × 8623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031497)

Multiplication

n×y
n×2 42062994
n×3 63094491
n×4 84125988
n×5 105157485

Division

n÷y
n÷2 10515748.5
n÷3 7010499
n÷3 5257874.25
n÷5 4206299.4

Exponentiation

ny
n2 442323866061009
n3 9.3027330620905E+21
n4 1.9565040248716E+29
n5 4.1148208529574E+36

Nth Root

y√n
2√n 4586.0110117617
3√n 276.03028180663
4√n 67.720093116901
5√n 29.145669594718

Divisors of 21031497

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 -21031496
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 21031497 can be divided by 8 positive divisors. The sum of these divisors (counting 21031497) is 1, the average is 0.125.

Base conversion 21031497

Base System Value
2 Binary 1010000001110101001001001
3 Ternary 1110120111210100
4 Quaternary 1100032221021
5 Quinary 20341001442
6 Senary 2030440013
8 Octal 120165111
10 Decimal 21031497
12 Duodecimal 7063009
16 Hexadecimal 140ea49
20 Vigesimal 6b8ieh
36 Base36 cis09

Cryptographic Hash Functions

md5 9bb1a8d7c6f93778e6f6f652f91beb31
sha1 2fa336953db561e5a1ec59eb498b29068e05f90b
sha256 31b91534b0e90f171c963e3272e5b4034a265dd0f24065c673a493111201a079
sha512 81065bf06a507356c543df2283d215ec992dcca3c39251470c2f7e2fa6ebcf815d1012ae90e1e7ff265b972e6b515c17bd51cae1219293f2aea617f7869f9ed5
ripemd-160 82f02ad989744a51ed6451e09087b82a75583137

21031497 as geometric shapes

Circle

Radius = n
Diameter 42062994
Circumference 132144792.93839
Area 1.3896014081247E+15

Sphere

Radius = n
Volume 3.8967197128227E+22
Surface area 5.5584056324988E+15
Circumference 132144792.93839

Square

Length = n
Perimeter 84125988
Area 442323866061009
Diagonal 29743028.294409

Cube

Length = n
Surface area 2653943196366054
Volume 9.3027330620905E+21
Space diagonal 36427621.363232

Equilateral Triangle

Length = n
Perimeter 63094491
Area 1.9153185235449E+14
Altitude 18213810.681616

Triangular Pyramid

Length = n
Surface area 1.9153185235449E+14
Volume 1.0963376052954E+21
Height 9914342.764803