820128908 (number)

820128908 is an even 9-digits composite number following 820128907 and preceding 820128909. In scientific notation, it is written as 8.20128908 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 410064452 positive integers (up to 820128908) that are relatively prime to 820128908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.20128908 × 10^8
Engineering notation 8.20128908 × 10^6

Prime Factorization of 820128908

Prime Factorization 2 × 2 × 205032227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 410064454
Product of the distinct prime numbers

The prime factorization of 820128908 is 2 × 2 × 205032227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 26, 31, 277, 955, 1115, 4824, 97810, 23681, 49199, 450133, 7172332, 8841716, 41205874, 80033687, 418759251, 882931895, 3098072122, 2575434975

Basic calculations (n = 820128908)

Multiplication

n×y
n×2 1640257816
n×3 2460386724
n×4 3280515632
n×5 4100644540

Division

n÷y
n÷2 410064454
n÷3 273376302.66667
n÷3 205032227
n÷5 164025781.6

Exponentiation

ny
n2 672611425737272464
n3 5.5162807409823E+26
n4 4.5240613003233E+35
n5 3.7103134539592E+44

Nth Root

y√n
2√n 28637.892869413
3√n 936.03920715062
4√n 169.22734078574
5√n 60.642406049789

Divisors of 820128908

1, 2, 4, 205032227, 410064454, 820128908

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820128907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820128908 can be divided by 6 positive divisors. The sum of these divisors (counting 820128908) is 1, the average is 0.16666666666667.

Base conversion 820128908

Base System Value
2 Binary 110000111000100010110010001100
3 Ternary 2010011012212100202
4 Quaternary 300320202302030
5 Quinary 3134423111113
6 Senary 213214113032
8 Octal 6070426214
10 Decimal 820128908
12 Duodecimal 1aa7ab778
16 Hexadecimal 30e22c8c
20 Vigesimal cg5g258
36 Base36 dka7ik

Cryptographic Hash Functions

md5 abf8574643a14e470de1d8cf0671f9c1
sha1 e88a02bbc86e6c28cf58435a8f1320b469dae0af
sha256 3ad126022ac65d2ea8ec588f520ee7a6b7d06bee0aef1007ae30cd75319626ca
sha512 96f33d501df4736741d0fa7347d89778168a49eb45a3aedec6d6b8d04be2fb5b69534d9be0077fb8619afe123ae5d6e180965d2c4b0afd15b0967d8533eccf68
ripemd-160 23a121626786b9c646e5e73f926368599ddfefd9

820128908 as geometric shapes

Circle

Radius = n
Diameter 1640257816
Circumference 5153021904.7388
Area 2.1130711138168E+18

Sphere

Radius = n
Volume 2.3106542734679E+27
Surface area 8.4522844552671E+18
Circumference 5153021904.7388

Square

Length = n
Perimeter 3280515632
Area 672611425737272464
Diagonal 1159837424.5878

Cube

Length = n
Surface area 4035668554423634784
Volume 5.5162807409823E+26
Space diagonal 1420504937.412

Equilateral Triangle

Length = n
Perimeter 2460386724
Area 2.9124929078207E+17
Altitude 710252468.70599

Triangular Pyramid

Length = n
Surface area 2.9124929078207E+17
Volume 6.5009991981289E+25
Height 386612474.86261