21556947 (number)

21556947 is an odd 8-digits composite number following 21556946 and preceding 21556948. In scientific notation, it is written as 2.1556947 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13875680 positive integers (up to 21556947) that are relatively prime to 21556947.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand nine hundred forty-seven

Notation

Scientific notation 2.1556947 × 10^7
Engineering notation 2.1556947 × 10^6

Prime Factorization of 21556947

Prime Factorization 3 × 29 × 247781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21556947
Product of the distinct prime numbers

The prime factorization of 21556947 is 3 × 29 × 247781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556947)

Multiplication

n×y
n×2 43113894
n×3 64670841
n×4 86227788
n×5 107784735

Division

n÷y
n÷2 10778473.5
n÷3 7185649
n÷3 5389236.75
n÷5 4311389.4

Exponentiation

ny
n2 464701963960809
n3 1.0017555607899E+22
n4 2.1594791530903E+29
n5 4.6551777650773E+36

Nth Root

y√n
2√n 4642.9459398102
3√n 278.31017516415
4√n 68.139165975305
5√n 29.28987045036

Divisors of 21556947

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 -21556946
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 21556947 can be divided by 8 positive divisors. The sum of these divisors (counting 21556947) is 1, the average is 0.125.

Base conversion 21556947

Base System Value
2 Binary 1010010001110111011010011
3 Ternary 1111120012120110
4 Quaternary 1102032323103
5 Quinary 21004310242
6 Senary 2050012403
8 Octal 122167323
10 Decimal 21556947
12 Duodecimal 7277103
16 Hexadecimal 148eed3
20 Vigesimal 6eec77
36 Base36 cu1g3

Cryptographic Hash Functions

md5 76314c9047860b32439b75f877e2b1e6
sha1 ee62090165d5eee9214f258e01c809c1dfde6f49
sha256 91c974dd34ddb936bb8645c1f2137fef494202f57cf0be0d10320abc42377283
sha512 59cdb8113d50d451ef69bb78a3618ea035abc1c406a95d668700ed11abae8717996726f13a107fbc7fcb259bd854c6a367be6df29f3c21f6b20916fb87aa6eed
ripemd-160 1dc3df483222def78abbe54592997410a20e1cbb

21556947 as geometric shapes

Circle

Radius = n
Diameter 43113894
Circumference 135446292.65805
Area 1.459904276088E+15

Sphere

Radius = n
Volume 4.1961438806271E+22
Surface area 5.8396171043521E+15
Circumference 135446292.65805

Square

Length = n
Perimeter 86227788
Area 464701963960809
Diagonal 30486126.810758

Cube

Length = n
Surface area 2788211783764854
Volume 1.0017555607899E+22
Space diagonal 37337727.460069

Equilateral Triangle

Length = n
Perimeter 64670841
Area 2.0122185298929E+14
Altitude 18668863.730035

Triangular Pyramid

Length = n
Surface area 2.0122185298929E+14
Volume 1.1805802502098E+21
Height 10162042.270253