20921967 (number)

20921967 is an odd 8-digits composite number following 20921966 and preceding 20921968. In scientific notation, it is written as 2.0921967 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 12679920 positive integers (up to 20921967) that are relatively prime to 20921967.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand nine hundred sixty-seven

Notation

Scientific notation 2.0921967 × 10^7
Engineering notation 2.0921967 × 10^6

Prime Factorization of 20921967

Prime Factorization 9 × 11 × 211333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921967
Product of the distinct prime numbers

The prime factorization of 20921967 is 9 × 11 × 211333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921967)

Multiplication

n×y
n×2 41843934
n×3 62765901
n×4 83687868
n×5 104609835

Division

n÷y
n÷2 10460983.5
n÷3 6973989
n÷3 5230491.75
n÷5 4184393.4

Exponentiation

ny
n2 437728703149089
n3 9.158145482238E+21
n4 1.9160641756058E+29
n5 4.0087831451907E+36

Nth Root

y√n
2√n 4574.0536726191
3√n 275.55026789074
4√n 67.631750477265
5√n 29.11524859164

Divisors of 20921967

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 -20921966
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 20921967 can be divided by 8 positive divisors. The sum of these divisors (counting 20921967) is 1, the average is 0.125.

Base conversion 20921967

Base System Value
2 Binary 1001111110011111001101111
3 Ternary 1110100221112200
4 Quaternary 1033303321233
5 Quinary 20324000332
6 Senary 2024232543
8 Octal 117637157
10 Decimal 20921967
12 Duodecimal 700b753
16 Hexadecimal 13f3e6f
20 Vigesimal 6af4i7
36 Base36 cgfhr

Cryptographic Hash Functions

md5 18f625832aef50785afa0a4af3a6fd1e
sha1 1d557acaf9f7f90c0842cfecf5407392a66bc420
sha256 3bac24055fe6d3472780791722af5a57749fe8fea4f94be3278a28f0644d3665
sha512 76e3c984aa7248576f38d7307b2d534468dc3763956b29b7b6f1f8672aad1f661fa3d1f1dfa3e177fe90e02cb03fa94d75e43ac36be29d340784c3eef9efea6f
ripemd-160 23c0fc146f8ef9476d33da089bc9d3184fc70c78

20921967 as geometric shapes

Circle

Radius = n
Diameter 41843934
Circumference 131456595.6517
Area 1.3751652780786E+15

Sphere

Radius = n
Volume 3.8361550090007E+22
Surface area 5.5006611123143E+15
Circumference 131456595.6517

Square

Length = n
Perimeter 83687868
Area 437728703149089
Diagonal 29588129.482922

Cube

Length = n
Surface area 2626372218894534
Volume 9.158145482238E+21
Space diagonal 36237909.838279

Equilateral Triangle

Length = n
Perimeter 62765901
Area 1.8954208844636E+14
Altitude 18118954.91914

Triangular Pyramid

Length = n
Surface area 1.8954208844636E+14
Volume 1.0792977955972E+21
Height 9862709.8276408