20042645 (number)

20042645 is an odd 8-digits composite number following 20042644 and preceding 20042646. In scientific notation, it is written as 2.0042645 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 13407360 positive integers (up to 20042645) that are relatively prime to 20042645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0042645 × 10^7
Engineering notation 2.0042645 × 10^6

Prime Factorization of 20042645

Prime Factorization 5 × 7 × 41 × 13967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20042645
Product of the distinct prime numbers

The prime factorization of 20042645 is 5 × 7 × 41 × 13967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 54, 85, 839, 575, 7991, 573, 51552, 18464, 807324, 302080, 360401, 8982645, 36082204, 76206321, 234172015, 1514161, 7288770958, 1385932643

Basic calculations (n = 20042645)

Multiplication

n×y
n×2 40085290
n×3 60127935
n×4 80170580
n×5 100213225

Division

n÷y
n÷2 10021322.5
n÷3 6680881.6666667
n÷3 5010661.25
n÷5 4008529

Exponentiation

ny
n2 401707618596025
n3 8.0512831933155E+21
n4 1.6136901083809E+29
n5 3.234261798229E+36

Nth Root

y√n
2√n 4476.9012720854
3√n 271.63455193076
4√n 66.909650066978
5√n 28.866292424295

Divisors of 20042645

1, 5, 7, 35, 41, 205, 287, 1435, 13967, 69835, 97769, 488845, 572647, 2863235, 4008529, 20042645

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 -20042644
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 20042645 can be divided by 16 positive divisors. The sum of these divisors (counting 20042645) is 1, the average is 0.0625.

Base conversion 20042645

Base System Value
2 Binary 1001100011101001110010101
3 Ternary 1101201021100012
4 Quaternary 1030131032111
5 Quinary 20112331040
6 Senary 1553330005
8 Octal 114351625
10 Decimal 20042645
12 Duodecimal 6866905
16 Hexadecimal 131d395
20 Vigesimal 6556c5
36 Base36 bxl05

Cryptographic Hash Functions

md5 2f14494add3cd71d0fde3517e0c8e212
sha1 939b0ed17f461574024785f1ab39506e23d908aa
sha256 d56bf394daaaeddf70624794883431ba57a6e324ae3d1bd3b5faa4b1d08baca4
sha512 9e89f2a8506025a2ee3846e8d60c631582b993754ec09e50e5527cb4064273bdd326090be312acbc37887aad63341e29acdc1c8b4b4f2ff3fc27834aa9b1429d
ripemd-160 f81bc824473c9350443d56449e271332f978c4bf

20042645 as geometric shapes

Circle

Radius = n
Diameter 40085290
Circumference 125931652.58102
Area 1.2620017034723E+15

Sphere

Radius = n
Volume 3.3725136176121E+22
Surface area 5.0480068138893E+15
Circumference 125931652.58102

Square

Length = n
Perimeter 80170580
Area 401707618596025
Diagonal 28344580.384829

Cube

Length = n
Surface area 2410245711576150
Volume 8.0512831933155E+21
Space diagonal 34714879.458066

Equilateral Triangle

Length = n
Perimeter 60127935
Area 1.7394450129895E+14
Altitude 17357439.729033

Triangular Pyramid

Length = n
Surface area 1.7394450129895E+14
Volume 9.4885282387445E+20
Height 9448193.4616098