21556961 (number)

21556961 is an odd 8-digits prime number following 21556960 and preceding 21556962. In scientific notation, it is written as 2.1556961 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21556960 positive integers (up to 21556961) that are relatively prime to 21556961.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand nine hundred sixty-one

Notation

Scientific notation 2.1556961 × 10^7
Engineering notation 2.1556961 × 10^6

Prime Factorization of 21556961

Prime Factorization 21556961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21556961
Product of the distinct prime numbers

The prime factorization of 21556961 is 21556961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556961)

Multiplication

n×y
n×2 43113922
n×3 64670883
n×4 86227844
n×5 107784805

Division

n÷y
n÷2 10778480.5
n÷3 7185653.6666667
n÷3 5389240.25
n÷5 4311392.2

Exponentiation

ny
n2 464702567555521
n3 1.0017575125394E+22
n4 2.1594847629269E+29
n5 4.655192881451E+36

Nth Root

y√n
2√n 4642.9474474734
3√n 278.31023541297
4√n 68.139177038422
5√n 29.289874254777

Divisors of 21556961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21556962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10778481
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4642.9475551636
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999072225
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556961 can be divided by 2 positive divisors. The sum of these divisors (counting 21556961) is 21556962, the average is 10778481.

Base conversion 21556961

Base System Value
2 Binary 1010010001110111011100001
3 Ternary 1111120012120222
4 Quaternary 1102032323201
5 Quinary 21004310321
6 Senary 2050012425
8 Octal 122167341
10 Decimal 21556961
12 Duodecimal 7277115
16 Hexadecimal 148eee1
20 Vigesimal 6eec81
36 Base36 cu1gh

Cryptographic Hash Functions

md5 a7cc304231f9552ce51f16f688109b4c
sha1 4dbf4a209fa51a7a0aeb8775e8dd1bfccdd9f126
sha256 bc6542b7d6f933768aecfbc306ccc057a3a9adfd47a1c18ba862a50faf7dbf33
sha512 c109024fb7831c10ac3c3ed2b16ce32cc2738b5178a87641610a69644cce1480907e3e0f7f728d0841c76f44244baed20a81748bf2c159b36131c4914ab54406
ripemd-160 edcc549a876d878b6af47dfff733074a7a04b390

21556961 as geometric shapes

Circle

Radius = n
Diameter 43113922
Circumference 135446380.62264
Area 1.4599061723367E+15

Sphere

Radius = n
Volume 4.1961520560963E+22
Surface area 5.839624689347E+15
Circumference 135446380.62264

Square

Length = n
Perimeter 86227844
Area 464702567555521
Diagonal 30486146.609748

Cube

Length = n
Surface area 2788215405333126
Volume 1.0017575125394E+22
Space diagonal 37337751.708781

Equilateral Triangle

Length = n
Perimeter 64670883
Area 2.0122211435347E+14
Altitude 18668875.85439

Triangular Pyramid

Length = n
Surface area 2.0122211435347E+14
Volume 1.1805825503687E+21
Height 10162048.869916