20451345 (number)

20451345 is an odd 8-digits composite number following 20451344 and preceding 20451346. In scientific notation, it is written as 2.0451345 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10674944 positive integers (up to 20451345) that are relatively prime to 20451345.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand three hundred forty-five

Notation

Scientific notation 2.0451345 × 10^7
Engineering notation 2.0451345 × 10^6

Prime Factorization of 20451345

Prime Factorization 3 × 5 × 47 × 29009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451345
Product of the distinct prime numbers

The prime factorization of 20451345 is 3 × 5 × 47 × 29009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451345)

Multiplication

n×y
n×2 40902690
n×3 61354035
n×4 81805380
n×5 102256725

Division

n÷y
n÷2 10225672.5
n÷3 6817115
n÷3 5112836.25
n÷5 4090269

Exponentiation

ny
n2 418257512309025
n3 8.5539286830736E+21
n4 1.7493934660293E+29
n5 3.5777449314512E+36

Nth Root

y√n
2√n 4522.3163312621
3√n 273.46848940748
4√n 67.248169724254
5√n 28.98306928362

Divisors of 20451345

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451345 can be divided by 16 positive divisors. The sum of these divisors (counting 20451345) is 1, the average is 0.0625.

Base conversion 20451345

Base System Value
2 Binary 1001110000001000000010001
3 Ternary 1102111000222020
4 Quaternary 1032001000101
5 Quinary 20213420340
6 Senary 2010202053
8 Octal 116010021
10 Decimal 20451345
12 Duodecimal 6a23329
16 Hexadecimal 1381011
20 Vigesimal 67g875
36 Base36 c6ccx

Cryptographic Hash Functions

md5 16eaeb59f99e2f40240975937f41fd6c
sha1 2080930621e244e27ab21311777118339f754a40
sha256 655128cf85d649bc39e70daa3be64e3ea048b2a077240cee48bef10d6422b9dd
sha512 b703950183127d66a59e19042687f851c3ca9e1ce91a1b5aac951fcf7f032fc31fdfeed63515a3e0a4dadba8e80a5bec56186cfbeff5f0b5e2c5b9cf4f395201
ripemd-160 d4d93835b223066d79610342e2374aea371a6922

20451345 as geometric shapes

Circle

Radius = n
Diameter 40902690
Circumference 128499590.41606
Area 1.3139947279788E+15

Sphere

Radius = n
Volume 3.58306126801E+22
Surface area 5.2559789119151E+15
Circumference 128499590.41606

Square

Length = n
Perimeter 81805380
Area 418257512309025
Diagonal 28922569.467771

Cube

Length = n
Surface area 2509545073854150
Volume 8.5539286830736E+21
Space diagonal 35422768.62312

Equilateral Triangle

Length = n
Perimeter 61354035
Area 1.8111081549165E+14
Altitude 17711384.31156

Triangular Pyramid

Length = n
Surface area 1.8111081549165E+14
Volume 1.0080901629312E+21
Height 9640856.4892571