21978051 (number)

21978051 is an odd 8-digits composite number following 21978050 and preceding 21978052. In scientific notation, it is written as 2.1978051 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14652032 positive integers (up to 21978051) that are relatively prime to 21978051.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-eight thousand fifty-one

Notation

Scientific notation 2.1978051 × 10^7
Engineering notation 2.1978051 × 10^6

Prime Factorization of 21978051

Prime Factorization 3 × 7326017

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21978051
Product of the distinct prime numbers

The prime factorization of 21978051 is 3 × 7326017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21978051)

Multiplication

n×y
n×2 43956102
n×3 65934153
n×4 87912204
n×5 109890255

Division

n÷y
n÷2 10989025.5
n÷3 7326017
n÷3 5494512.75
n÷5 4395610.2

Exponentiation

ny
n2 483034725758601
n3 1.0616161837494E+22
n4 2.3332254628869E+29
n5 5.1279748217826E+36

Nth Root

y√n
2√n 4688.0754046837
3√n 280.11071726896
4√n 68.469521720863
5√n 29.403419182229

Divisors of 21978051

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 -21978050
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 21978051 can be divided by 4 positive divisors. The sum of these divisors (counting 21978051) is 1, the average is 0.25.

Base conversion 21978051

Base System Value
2 Binary 1010011110101101111000011
3 Ternary 1112100121012220
4 Quaternary 1103311233003
5 Quinary 21111244201
6 Senary 2103022123
8 Octal 123655703
10 Decimal 21978051
12 Duodecimal 743a943
16 Hexadecimal 14f5bc3
20 Vigesimal 6h752b
36 Base36 d32df

Cryptographic Hash Functions

md5 eb60ffc568a06aaa61a11435a3aeb0e5
sha1 2995bbdb96e0fb090357ceb8287c04086519dc33
sha256 39e0d0d09ac43a2c50f8879508892f4f7cb4601219fc5ad2f0ad9e63307dd844
sha512 d43a97270f8a262705ea94447434703ab6ad06c604d1b4f1ca40ebd4adae1895796f2062ac288035037a774c51532900c74d16a00e364786af75f18035b1c0e1
ripemd-160 a6c78fba4f50f367eb7920278a5cedadbb299821

21978051 as geometric shapes

Circle

Radius = n
Diameter 43956102
Circumference 138092167.12364
Area 1.517498345872E+15

Sphere

Radius = n
Volume 4.446887471732E+22
Surface area 6.0699933834879E+15
Circumference 138092167.12364

Square

Length = n
Perimeter 87912204
Area 483034725758601
Diagonal 31081657.798728

Cube

Length = n
Surface area 2898208354551606
Volume 1.0616161837494E+22
Space diagonal 38067100.98334

Equilateral Triangle

Length = n
Perimeter 65934153
Area 2.091601717085E+14
Altitude 19033550.49167

Triangular Pyramid

Length = n
Surface area 2.091601717085E+14
Volume 1.2511266709109E+21
Height 10360552.599576