20145245 (number)

20145245 is an odd 8-digits composite number following 20145244 and preceding 20145246. In scientific notation, it is written as 2.0145245 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16116192 positive integers (up to 20145245) that are relatively prime to 20145245.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145245 × 10^7
Engineering notation 2.0145245 × 10^6

Prime Factorization of 20145245

Prime Factorization 5 × 4029049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145245
Product of the distinct prime numbers

The prime factorization of 20145245 is 5 × 4029049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145245)

Multiplication

n×y
n×2 40290490
n×3 60435735
n×4 80580980
n×5 100726225

Division

n÷y
n÷2 10072622.5
n÷3 6715081.6666667
n÷3 5036311.25
n÷5 4029049

Exponentiation

ny
n2 405830896110025
n3 8.175562830706E+21
n4 1.6469871623747E+29
n5 3.3178959897892E+36

Nth Root

y√n
2√n 4488.3454635311
3√n 272.09727003374
4√n 66.995115221418
5√n 28.895785894075

Divisors of 20145245

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 -20145244
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 20145245 can be divided by 4 positive divisors. The sum of these divisors (counting 20145245) is 1, the average is 0.25.

Base conversion 20145245

Base System Value
2 Binary 1001100110110010001011101
3 Ternary 1101220111002012
4 Quaternary 1030312101131
5 Quinary 20124121440
6 Senary 1555441005
8 Octal 114662135
10 Decimal 20145245
12 Duodecimal 68b6165
16 Hexadecimal 133645d
20 Vigesimal 65i325
36 Base36 bzs65

Cryptographic Hash Functions

md5 2372ed5aa5efe9ffba363bd3e3e2b514
sha1 5df9e3e4407c2f7423f70d6b7799d74a9621bcba
sha256 24d20787e046a38d839b6a02c47f21376e998ff1ef0e319d297d4262de9ecacb
sha512 96665ff28308aec96bb2ba177fed9c224f68bfd88ec14a4f33aa83ce055e901af476b781f7709e8d58e522eaa0e42fb39db80f30e1666b9e0d6cb61d296171b2
ripemd-160 b949bb54fdf04066245a8d19048fab4d0192d39c

20145245 as geometric shapes

Circle

Radius = n
Diameter 40290490
Circumference 126576307.39353
Area 1.274955361819E+15

Sphere

Radius = n
Volume 3.4245717503877E+22
Surface area 5.0998214472761E+15
Circumference 126576307.39353

Square

Length = n
Perimeter 80580980
Area 405830896110025
Diagonal 28489678.696329

Cube

Length = n
Surface area 2434985376660150
Volume 8.175562830706E+21
Space diagonal 34892587.870923

Equilateral Triangle

Length = n
Perimeter 60435735
Area 1.7572993283594E+14
Altitude 17446293.935461

Triangular Pyramid

Length = n
Surface area 1.7572993283594E+14
Volume 9.6349931960148E+20
Height 9496559.5654429