20551491 (number)

20551491 is an odd 8-digits composite number following 20551490 and preceding 20551492. In scientific notation, it is written as 2.0551491 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13700988 positive integers (up to 20551491) that are relatively prime to 20551491.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifty-one thousand four hundred ninety-one

Notation

Scientific notation 2.0551491 × 10^7
Engineering notation 2.0551491 × 10^6

Prime Factorization of 20551491

Prime Factorization 9 × 2283499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20551491
Product of the distinct prime numbers

The prime factorization of 20551491 is 9 × 2283499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20551491)

Multiplication

n×y
n×2 41102982
n×3 61654473
n×4 82205964
n×5 102757455

Division

n÷y
n÷2 10275745.5
n÷3 6850497
n÷3 5137872.75
n÷5 4110298.2

Exponentiation

ny
n2 422363782323081
n3 8.6802054711388E+21
n4 1.7839116461826E+29
n5 3.6662044141317E+36

Nth Root

y√n
2√n 4533.3752326495
3√n 273.9141356327
4√n 67.330344070482
5√n 29.011398665881

Divisors of 20551491

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 -20551490
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 20551491 can be divided by 4 positive divisors. The sum of these divisors (counting 20551491) is 1, the average is 0.25.

Base conversion 20551491

Base System Value
2 Binary 1001110011001011101000011
3 Ternary 1102200010100100
4 Quaternary 1032121131003
5 Quinary 20230121431
6 Senary 2012253443
8 Octal 116313503
10 Decimal 20551491
12 Duodecimal 6a71283
16 Hexadecimal 1399743
20 Vigesimal 688ieb
36 Base36 c8hmr

Cryptographic Hash Functions

md5 904a91a7f9101b04d4ab556ef1d22255
sha1 8c67986241c2317098e6f9160908caf977bd44ef
sha256 55a6e6c14e0e5e45b95a3d5510857ed90822868090c16f6d46f9044d1d4a6ba5
sha512 dc58f4111a23b327107ccb2b662c944aac3261e80175d2efa79224a0ac417920a8d0f8e31e30cd31bb4116e03f73edec2b80eb09ba68c71ae011dfefe1732f65
ripemd-160 403cdda18f357eb73f4535249ab10941a24c1d71

20551491 as geometric shapes

Circle

Radius = n
Diameter 41102982
Circumference 129128826.29183
Area 1.3268949556886E+15

Sphere

Radius = n
Volume 3.6359559653039E+22
Surface area 5.3075798227544E+15
Circumference 129128826.29183

Square

Length = n
Perimeter 82205964
Area 422363782323081
Diagonal 29064197.299189

Cube

Length = n
Surface area 2534182693938486
Volume 8.6802054711388E+21
Space diagonal 35596226.583295

Equilateral Triangle

Length = n
Perimeter 61654473
Area 1.8288888256513E+14
Altitude 17798113.291647

Triangular Pyramid

Length = n
Surface area 1.8288888256513E+14
Volume 1.0229720251225E+21
Height 9688065.7663962