21939957 (number)

21939957 is an odd 8-digits composite number following 21939956 and preceding 21939958. In scientific notation, it is written as 2.1939957 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 13501296 positive integers (up to 21939957) that are relatively prime to 21939957.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-nine thousand nine hundred fifty-seven

Notation

Scientific notation 2.1939957 × 10^7
Engineering notation 2.1939957 × 10^6

Prime Factorization of 21939957

Prime Factorization 9 × 39 × 62507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21939957
Product of the distinct prime numbers

The prime factorization of 21939957 is 9 × 39 × 62507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21939957)

Multiplication

n×y
n×2 43879914
n×3 65819871
n×4 87759828
n×5 109699785

Division

n÷y
n÷2 10969978.5
n÷3 7313319
n÷3 5484989.25
n÷5 4387991.4

Exponentiation

ny
n2 481361713161849
n3 1.0561055288217E+22
n4 2.3170909889811E+29
n5 5.0836876663333E+36

Nth Root

y√n
2√n 4684.010781371
3√n 279.94878740239
4√n 68.439833294442
5√n 29.393219267495

Divisors of 21939957

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 -21939956
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 21939957 can be divided by 8 positive divisors. The sum of these divisors (counting 21939957) is 1, the average is 0.125.

Base conversion 21939957

Base System Value
2 Binary 1010011101100011011110101
3 Ternary 1112021122222000
4 Quaternary 1103230123311
5 Quinary 21104034312
6 Senary 2102125513
8 Octal 123543365
10 Decimal 21939957
12 Duodecimal 7420899
16 Hexadecimal 14ec6f5
20 Vigesimal 6h29hh
36 Base36 d28z9

Cryptographic Hash Functions

md5 0fe5ccfa94bfd29199f3cfbd18ab2f5a
sha1 99c831c568ceb1d34f2963e2e594743877137e45
sha256 599ad049076df20b6f0e1772d04cc037c918c061b2b33f9fdaac8ccc9a2fc233
sha512 5affd448ea152fed4cf2817fd06e9c7441867bca32979870234a446e38e0965d807a15ab6fd343249d31b0a8abe9364c95705e8caa77dc1ef6d1ba7820c11e8c
ripemd-160 e68a856f1dd99a1c0bdc3da620a7dd123c045d5b

21939957 as geometric shapes

Circle

Radius = n
Diameter 43879914
Circumference 137852815.46255
Area 1.5122424217887E+15

Sphere

Radius = n
Volume 4.4238044943492E+22
Surface area 6.0489696871546E+15
Circumference 137852815.46255

Square

Length = n
Perimeter 87759828
Area 481361713161849
Diagonal 31027784.747283

Cube

Length = n
Surface area 2888170278971094
Volume 1.0561055288217E+22
Space diagonal 38001120.239876

Equilateral Triangle

Length = n
Perimeter 65819871
Area 2.0843573600368E+14
Altitude 19000560.119938

Triangular Pyramid

Length = n
Surface area 2.0843573600368E+14
Volume 1.2446323017974E+21
Height 10342594.915761