21031847 (number)

21031847 is an odd 8-digits composite number following 21031846 and preceding 21031848. In scientific notation, it is written as 2.1031847 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 20797560 positive integers (up to 21031847) that are relatively prime to 21031847.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred forty-seven

Notation

Scientific notation 2.1031847 × 10^7
Engineering notation 2.1031847 × 10^6

Prime Factorization of 21031847

Prime Factorization 211 × 379 × 263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031847
Product of the distinct prime numbers

The prime factorization of 21031847 is 211 × 379 × 263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031847)

Multiplication

n×y
n×2 42063694
n×3 63095541
n×4 84127388
n×5 105159235

Division

n÷y
n÷2 10515923.5
n÷3 7010615.6666667
n÷3 5257961.75
n÷5 4206369.4

Exponentiation

ny
n2 442338588231409
n3 9.303197509879E+21
n4 1.9566342663856E+29
n5 4.1151632525578E+36

Nth Root

y√n
2√n 4586.0491711276
3√n 276.03181300312
4√n 67.720374859621
5√n 29.145766600808

Divisors of 21031847

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 -21031846
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 21031847 can be divided by 8 positive divisors. The sum of these divisors (counting 21031847) is 1, the average is 0.125.

Base conversion 21031847

Base System Value
2 Binary 1010000001110101110100111
3 Ternary 1110120112021022
4 Quaternary 1100032232213
5 Quinary 20341004342
6 Senary 2030441355
8 Octal 120165647
10 Decimal 21031847
12 Duodecimal 706325b
16 Hexadecimal 140eba7
20 Vigesimal 6b8jc7
36 Base36 cis9z

Cryptographic Hash Functions

md5 d4d4db73aeaaaacb4def31175f13d818
sha1 aaa51ab587a8175c5eb49eb243ee5b044e590e62
sha256 089d889b4e87285ea8704153b61f3c6605c4aaa277f6d1e532a7764cc06e7d71
sha512 014e3fa79b9a050ded86a23ac4156d66a495ecb9a3f6cb3300db94f9f62d83815bd0a2bf7e017dad94fa637e671d9194dc73c3ede697dd9ad5170916d5ff6fdc
ripemd-160 3b275e1dbbd0f80eb9875863f7aeb8c0d8677f7a

21031847 as geometric shapes

Circle

Radius = n
Diameter 42063694
Circumference 132146992.05325
Area 1.3896476591871E+15

Sphere

Radius = n
Volume 3.8969142602574E+22
Surface area 5.5585906367483E+15
Circumference 132146992.05325

Square

Length = n
Perimeter 84127388
Area 442338588231409
Diagonal 29743523.269156

Cube

Length = n
Surface area 2654031529388454
Volume 9.303197509879E+21
Space diagonal 36428227.581015

Equilateral Triangle

Length = n
Perimeter 63095541
Area 1.9153822724127E+14
Altitude 18214113.790508

Triangular Pyramid

Length = n
Surface area 1.9153822724127E+14
Volume 1.0963923409922E+21
Height 9914507.7563853