20128902 (number)

20128902 is an even 8-digits composite number following 20128901 and preceding 20128903. In scientific notation, it is written as 2.0128902 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 6441120 positive integers (up to 20128902) that are relatively prime to 20128902.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand nine hundred two

Notation

Scientific notation 2.0128902 × 10^7
Engineering notation 2.0128902 × 10^6

Prime Factorization of 20128902

Prime Factorization 2 × 3 × 61 × 43 × 1279

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20128902
Product of the distinct prime numbers

The prime factorization of 20128902 is 2 × 3 × 61 × 43 × 1279. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128902)

Multiplication

n×y
n×2 40257804
n×3 60386706
n×4 80515608
n×5 100644510

Division

n÷y
n÷2 10064451
n÷3 6709634
n÷3 5032225.5
n÷5 4025780.4

Exponentiation

ny
n2 405172695725604
n3 8.1556814853365E+21
n4 1.6416491336155E+29
n5 3.3044594528932E+36

Nth Root

y√n
2√n 4486.5244900702
3√n 272.02366972507
4√n 66.98152349768
5√n 28.891095981908

Divisors of 20128902

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128902 can be divided by 32 positive divisors. The sum of these divisors (counting 20128902) is 1, the average is 0.03125.

Base conversion 20128902

Base System Value
2 Binary 1001100110010010010000110
3 Ternary 1101212122122220
4 Quaternary 1030302102012
5 Quinary 20123111102
6 Senary 1555233210
8 Octal 114622206
10 Decimal 20128902
12 Duodecimal 68a8806
16 Hexadecimal 1332486
20 Vigesimal 65g252
36 Base36 bzfk6

Cryptographic Hash Functions

md5 fc282006bc0bf892d1b8241652fc20a5
sha1 23e49f446268a1066d7aa84a2c21c5cee48ae895
sha256 fe8b3e23e20b4f355b858e439dc94d130fac3fc7e6962c53e86eea35724eb18e
sha512 f814ba9efa85d2b9d491ff6cab88d1f9d933a3b3727494560f59b39bfde5a75e890e73745bf9fa7106084c46098ec4f4925d5b44f3f6d681c1a7366c73aa4672
ripemd-160 d412c957d37552a39811ab54379c32aedde901aa

20128902 as geometric shapes

Circle

Radius = n
Diameter 40257804
Circumference 126473621.29606
Area 1.2728875643267E+15

Sphere

Radius = n
Volume 3.4162438719135E+22
Surface area 5.0915502573069E+15
Circumference 126473621.29606

Square

Length = n
Perimeter 80515608
Area 405172695725604
Diagonal 28466566.204079

Cube

Length = n
Surface area 2431036174353624
Volume 8.1556814853365E+21
Space diagonal 34864280.964575

Equilateral Triangle

Length = n
Perimeter 60386706
Area 1.754449237091E+14
Altitude 17432140.482287

Triangular Pyramid

Length = n
Surface area 1.754449237091E+14
Volume 9.6115628057984E+20
Height 9488855.4013596