20551381 (number)

20551381 is an odd 8-digits composite number following 20551380 and preceding 20551382. In scientific notation, it is written as 2.0551381 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20303692 positive integers (up to 20551381) that are relatively prime to 20551381.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifty-one thousand three hundred eighty-one

Notation

Scientific notation 2.0551381 × 10^7
Engineering notation 2.0551381 × 10^6

Prime Factorization of 20551381

Prime Factorization 83 × 247607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20551381
Product of the distinct prime numbers

The prime factorization of 20551381 is 83 × 247607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20551381)

Multiplication

n×y
n×2 41102762
n×3 61654143
n×4 82205524
n×5 102756905

Division

n÷y
n÷2 10275690.5
n÷3 6850460.3333333
n÷3 5137845.25
n÷5 4110276.2

Exponentiation

ny
n2 422359261007161
n3 8.6800660918366E+21
n4 1.7838734535852E+29
n5 3.6661063000414E+36

Nth Root

y√n
2√n 4533.3631003925
3√n 273.9136469316
4√n 67.330253975404
5√n 29.011367609636

Divisors of 20551381

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 -20551380
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 20551381 can be divided by 4 positive divisors. The sum of these divisors (counting 20551381) is 1, the average is 0.25.

Base conversion 20551381

Base System Value
2 Binary 1001110011001011011010101
3 Ternary 1102200010012021
4 Quaternary 1032121123111
5 Quinary 20230121011
6 Senary 2012253141
8 Octal 116313325
10 Decimal 20551381
12 Duodecimal 6a711b1
16 Hexadecimal 13996d5
20 Vigesimal 688i91
36 Base36 c8hjp

Cryptographic Hash Functions

md5 276e7c666f7e886c3e326231eee2c50e
sha1 25fe32167b9f0a1afb8443b8bcd2a1ca2c2a65d1
sha256 df97d55f9b46b3a2408626bcfabdd72666f83862ef50a82fd69479eef3a7ea24
sha512 0df6b0a7814e9b8b1ba70e76b5e90b0e25cb2ae27e7e998c9d0e53c23404c13ba5c9cb9170b5f0f2f4e29e45d416463ccbe1295d8c0ee78a7feebb8afe533de6
ripemd-160 9c21fc58856729f032687bcc9c2bc140a9436511

20551381 as geometric shapes

Circle

Radius = n
Diameter 41102762
Circumference 129128135.14145
Area 1.3268807515557E+15

Sphere

Radius = n
Volume 3.6358975822384E+22
Surface area 5.3075230062228E+15
Circumference 129128135.14145

Square

Length = n
Perimeter 82205524
Area 422359261007161
Diagonal 29064041.735697

Cube

Length = n
Surface area 2534155566042966
Volume 8.6800660918366E+21
Space diagonal 35596036.057706

Equilateral Triangle

Length = n
Perimeter 61654143
Area 1.8288692477791E+14
Altitude 17798018.028853

Triangular Pyramid

Length = n
Surface area 1.8288692477791E+14
Volume 1.0229555991142E+21
Height 9688013.9118989