20125821 (number)

20125821 is an odd 8-digits composite number following 20125820 and preceding 20125822. In scientific notation, it is written as 2.0125821 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13417212 positive integers (up to 20125821) that are relatively prime to 20125821.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-five thousand eight hundred twenty-one

Notation

Scientific notation 2.0125821 × 10^7
Engineering notation 2.0125821 × 10^6

Prime Factorization of 20125821

Prime Factorization 3 × 6708607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20125821
Product of the distinct prime numbers

The prime factorization of 20125821 is 3 × 6708607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20125821)

Multiplication

n×y
n×2 40251642
n×3 60377463
n×4 80503284
n×5 100629105

Division

n÷y
n÷2 10062910.5
n÷3 6708607
n÷3 5031455.25
n÷5 4025164.2

Exponentiation

ny
n2 405048670924041
n3 8.1519370473052E+21
n4 1.6406442581733E+29
n5 3.3019312664674E+36

Nth Root

y√n
2√n 4486.1811153809
3√n 272.00979005276
4√n 66.978960244101
5√n 28.890211493354

Divisors of 20125821

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 -20125820
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 20125821 can be divided by 4 positive divisors. The sum of these divisors (counting 20125821) is 1, the average is 0.25.

Base conversion 20125821

Base System Value
2 Binary 1001100110001100001111101
3 Ternary 1101212111102210
4 Quaternary 1030301201331
5 Quinary 20123011241
6 Senary 1555211033
8 Octal 114614175
10 Decimal 20125821
12 Duodecimal 68a6a79
16 Hexadecimal 133187d
20 Vigesimal 65feb1
36 Base36 bzd6l

Cryptographic Hash Functions

md5 60066ce8a091a153523cfdf1d7f06fdd
sha1 cf434ffec2ef1833d7403a297380ebf86b9e1fe1
sha256 b6b663bb4de18bc53788221260e2ff5d99892e91206e7495523a541ba6088f2e
sha512 4c2b83e270591927e2425492fcb5f67fd75c9f7daf938c7e38f2900d7bb05cfc933ea0943fe749a9b8703289ddacab556f68ee76537c89922fe39ddd6732f2f7
ripemd-160 b675e94e2350d385e192e73557f22e897c167284

20125821 as geometric shapes

Circle

Radius = n
Diameter 40251642
Circumference 126454262.80213
Area 1.2724979289213E+15

Sphere

Radius = n
Volume 3.4146754053787E+22
Surface area 5.0899917156851E+15
Circumference 126454262.80213

Square

Length = n
Perimeter 80503284
Area 405048670924041
Diagonal 28462209.012093

Cube

Length = n
Surface area 2430292025544246
Volume 8.1519370473052E+21
Space diagonal 34858944.516037

Equilateral Triangle

Length = n
Perimeter 60377463
Area 1.7539121939467E+14
Altitude 17429472.258018

Triangular Pyramid

Length = n
Surface area 1.7539121939467E+14
Volume 9.6071499432589E+20
Height 9487403.0040311