20402545 (number)

20402545 is an odd 8-digits composite number following 20402544 and preceding 20402546. In scientific notation, it is written as 2.0402545 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 16322032 positive integers (up to 20402545) that are relatively prime to 20402545.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand five hundred forty-five

Notation

Scientific notation 2.0402545 × 10^7
Engineering notation 2.0402545 × 10^6

Prime Factorization of 20402545

Prime Factorization 5 × 4080509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20402545
Product of the distinct prime numbers

The prime factorization of 20402545 is 5 × 4080509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402545)

Multiplication

n×y
n×2 40805090
n×3 61207635
n×4 81610180
n×5 102012725

Division

n÷y
n÷2 10201272.5
n÷3 6800848.3333333
n÷3 5100636.25
n÷5 4080509

Exponentiation

ny
n2 416263842477025
n3 8.4928417780104E+21
n4 1.7327558655374E+29
n5 3.535262952064E+36

Nth Root

y√n
2√n 4516.9176437035
3√n 273.25080379021
4√n 67.208017704017
5√n 28.969224466266

Divisors of 20402545

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 -20402544
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 20402545 can be divided by 4 positive divisors. The sum of these divisors (counting 20402545) is 1, the average is 0.25.

Base conversion 20402545

Base System Value
2 Binary 1001101110101000101110001
3 Ternary 1102101120000211
4 Quaternary 1031311011301
5 Quinary 20210340140
6 Senary 2005144121
8 Octal 115650561
10 Decimal 20402545
12 Duodecimal 69bb041
16 Hexadecimal 1375171
20 Vigesimal 67a675
36 Base36 c5apd

Cryptographic Hash Functions

md5 cfad60e7fb91cd461373bd803f395eed
sha1 a3fa2853e233ee6017f50c49dc79d515098e493f
sha256 6b71799607fc5ab0f965cd014292e7ea13f9cbe4efa4dc95053c132bf215dbbf
sha512 5156acee81a6aee808e2381fce118290d8f9ee74b83fd6b4b397b20c1695015a98d8f2fb1365b9294bb09be2c9f33a93a5ddf0c6bfdfddd233410a88eec81c16
ripemd-160 02a7d89cb5c59f45feab9e54e6bd10a006224660

20402545 as geometric shapes

Circle

Radius = n
Diameter 40805090
Circumference 128192970.97307
Area 1.3077314294809E+15

Sphere

Radius = n
Volume 3.5574732450531E+22
Surface area 5.2309257179235E+15
Circumference 128192970.97307

Square

Length = n
Perimeter 81610180
Area 416263842477025
Diagonal 28853555.845927

Cube

Length = n
Surface area 2497583054862150
Volume 8.4928417780104E+21
Space diagonal 35338244.54371

Equilateral Triangle

Length = n
Perimeter 61207635
Area 1.8024753113101E+14
Altitude 17669122.271855

Triangular Pyramid

Length = n
Surface area 1.8024753113101E+14
Volume 1.0008910021293E+21
Height 9617851.9486425