129120845 (number)

129120845 is an odd 9-digits composite number following 129120844 and preceding 129120846. In scientific notation, it is written as 1.29120845 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 88444224 positive integers (up to 129120845) that are relatively prime to 129120845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29120845 × 10^8
Engineering notation 1.29120845 × 10^6

Prime Factorization of 129120845

Prime Factorization 7 × 5 × 1453 × 2539

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129120845
Product of the distinct prime numbers

The prime factorization of 129120845 is 7 × 5 × 1453 × 2539. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 73, 36, 822, 615, 2411, 5417, 4382, 9044, 167681, 354982, 4198655, 2494531, 39043121, 68788534, 489164702, 166590679, 8100551093, 2770918988

Basic calculations (n = 129120845)

Multiplication

n×y
n×2 258241690
n×3 387362535
n×4 516483380
n×5 645604225

Division

n÷y
n÷2 64560422.5
n÷3 43040281.666667
n÷3 32280211.25
n÷5 25824169

Exponentiation

ny
n2 16672192613514025
n3 2.1527275982597E+24
n4 2.7796200654211E+32
n5 3.5890689162613E+40

Nth Root

y√n
2√n 11363.135350774
3√n 505.43516390634
4√n 106.59800819328
5√n 41.898576866567

Divisors of 129120845

1, 5, 7, 35, 1453, 2539, 7265, 10171, 12695, 17773, 50855, 88865, 3689167, 18445835, 25824169, 129120845

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 -129120844
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 129120845 can be divided by 16 positive divisors. The sum of these divisors (counting 129120845) is 1, the average is 0.0625.

Base conversion 129120845

Base System Value
2 Binary 111101100100011101001001101
3 Ternary 22222222000111112
4 Quaternary 13230203221031
5 Quinary 231023331340
6 Senary 20451301405
8 Octal 754435115
10 Decimal 129120845
12 Duodecimal 372aa865
16 Hexadecimal 7b23a4d
20 Vigesimal 2070225
36 Base36 24via5

Cryptographic Hash Functions

md5 875692a8d917e9a42e5af0276e650c7c
sha1 4d73e694056ddaadb7c4637694163a62ce516b34
sha256 d2db969fbde5463e10e76040c8eff7840a681259ff7a3d0af487ca92c79ed168
sha512 c9f91a8a5851aaf851b14a3170476db8898a54ad0923b5f841f1c35c7ae6759604c61c6cea0b010c74004fb1d649967cd066769b8b04a6f51b84d56cda0a03f2
ripemd-160 69711a21d53f7c7b8da79f6b7dc70e186b9120ec

129120845 as geometric shapes

Circle

Radius = n
Diameter 258241690
Circumference 811290196.15461
Area 5.237723783385E+16

Sphere

Radius = n
Volume 9.0173242771635E+24
Surface area 2.095089513354E+17
Circumference 811290196.15461

Square

Length = n
Perimeter 516483380
Area 16672192613514025
Diagonal 182604450.18407

Cube

Length = n
Surface area 100033155681084150
Volume 2.1527275982597E+24
Space diagonal 223643863.85623

Equilateral Triangle

Length = n
Perimeter 387362535
Area 7.2192711700452E+15
Altitude 111821931.92811

Triangular Pyramid

Length = n
Surface area 7.2192711700452E+15
Volume 2.5370138046281E+23
Height 60868150.061358