20921764 (number)

20921764 is an even 8-digits composite number following 20921763 and preceding 20921765. In scientific notation, it is written as 2.0921764 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9732096 positive integers (up to 20921764) that are relatively prime to 20921764.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921764 × 10^7
Engineering notation 2.0921764 × 10^6

Prime Factorization of 20921764

Prime Factorization 2 × 2 × 17 × 89 × 3457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460882
Product of the distinct prime numbers

The prime factorization of 20921764 is 2 × 2 × 17 × 89 × 3457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 41, 97, 10, 580, 6414, 5146, 5207, 15559, 345258, 3992, 2506292, 2228800, 2492242, 42254719, 124844234, 61579547, 2704239180, 5787965455

Basic calculations (n = 20921764)

Multiplication

n×y
n×2 41843528
n×3 62765292
n×4 83687056
n×5 104608820

Division

n÷y
n÷2 10460882
n÷3 6973921.3333333
n÷3 5230441
n÷5 4184352.8

Exponentiation

ny
n2 437720208871696
n3 9.1578789080443E+21
n4 1.9159898125468E+29
n5 4.0085886684509E+36

Nth Root

y√n
2√n 4574.0314821829
3√n 275.54937669211
4√n 67.631586423674
5√n 29.115192091996

Divisors of 20921764

1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3457, 6052, 6914, 13828, 58769, 117538, 235076, 307673, 615346, 1230692, 5230441, 10460882, 20921764

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921764 can be divided by 24 positive divisors. The sum of these divisors (counting 20921764) is 1, the average is 0.041666666666667.

Base conversion 20921764

Base System Value
2 Binary 1001111110011110110100100
3 Ternary 1110100221021011
4 Quaternary 1033303312210
5 Quinary 20323444024
6 Senary 2024232004
8 Octal 117636644
10 Decimal 20921764
12 Duodecimal 700b604
16 Hexadecimal 13f3da4
20 Vigesimal 6af484
36 Base36 cgfc4

Cryptographic Hash Functions

md5 8755f6b63d7f28ab1b62ea6d5fb709b0
sha1 663d70d241e66a068d4815335705a521b22d744b
sha256 ae4df5e2a2baddb3f030592ac73fd281c9d63b5384b7738574f6b5887d52dc5a
sha512 a59b21f572234d21c24ad116eb2dfff2308018f5b29727dbbf1c7ee5759c2f03d393baa2e7f27e293c0f2f1ad41c1620d891d0c773cf0e859fa8a1c714abef95
ripemd-160 7d9b8ff7d75cc159c67eaaf74a827ffda4a8613e

20921764 as geometric shapes

Circle

Radius = n
Diameter 41843528
Circumference 131455320.16508
Area 1.3751385925191E+15

Sphere

Radius = n
Volume 3.8360433466636E+22
Surface area 5.5005543700764E+15
Circumference 131455320.16508

Square

Length = n
Perimeter 83687056
Area 437720208871696
Diagonal 29587842.397569

Cube

Length = n
Surface area 2626321253230176
Volume 9.1578789080443E+21
Space diagonal 36237558.231965

Equilateral Triangle

Length = n
Perimeter 62765292
Area 1.8953841031636E+14
Altitude 18118779.115983

Triangular Pyramid

Length = n
Surface area 1.8953841031636E+14
Volume 1.0792663795272E+21
Height 9862614.1325231