128913613 (number)

128913613 is an odd 9-digits composite number following 128913612 and preceding 128913614. In scientific notation, it is written as 1.28913613 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 115153920 positive integers (up to 128913613) that are relatively prime to 128913613.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28913613 × 10^8
Engineering notation 1.28913613 × 10^6

Prime Factorization of 128913613

Prime Factorization 817 × 29 × 5441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128913613
Product of the distinct prime numbers

The prime factorization of 128913613 is 817 × 29 × 5441. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128913613)

Multiplication

n×y
n×2 257827226
n×3 386740839
n×4 515654452
n×5 644568065

Division

n÷y
n÷2 64456806.5
n÷3 42971204.333333
n÷3 32228403.25
n÷5 25782722.6

Exponentiation

ny
n2 16618719616713769
n3 2.1423791892245E+24
n4 2.7618184169895E+32
n5 3.5603599058405E+40

Nth Root

y√n
2√n 11354.013079084
3√n 505.16462038262
4√n 106.55521141213
5√n 41.885119232553

Divisors of 128913613

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128913612
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128913613 can be divided by 8 positive divisors. The sum of these divisors (counting 128913613) is 1, the average is 0.125.

Base conversion 128913613

Base System Value
2 Binary 111101011110001000011001101
3 Ternary 22222120111020021
4 Quaternary 13223301003031
5 Quinary 231000213423
6 Senary 20443022141
8 Octal 753610315
10 Decimal 128913613
12 Duodecimal 3720a951
16 Hexadecimal 7af10cd
20 Vigesimal 205e40d
36 Base36 24r2dp

Cryptographic Hash Functions

md5 ea607804b214363bd6473fc77108fc8e
sha1 f76fe44cd6e0cc94a5cf9385d7bcc34891ea0136
sha256 b5a7cb912196be137f08b31868af8796ea687a85c4ace978e80c9d359332d9b5
sha512 b9c78a6719cc9347d38331eac9891fc51a20d26f0f8f220debdceafe3d851b432a91ddc5ff0db285ba7a2cc5082bfebb21d08d77692927a78e55c4f44fb6a5fa
ripemd-160 1286d421026c467809b55b5845a74aaebb3251ae

128913613 as geometric shapes

Circle

Radius = n
Diameter 257827226
Circumference 809988119.09704
Area 5.2209247459937E+16

Sphere

Radius = n
Volume 8.973976962762E+24
Surface area 2.0883698983975E+17
Circumference 809988119.09704

Square

Length = n
Perimeter 515654452
Area 16618719616713769
Diagonal 182311379.87912

Cube

Length = n
Surface area 99712317700282614
Volume 2.1423791892245E+24
Space diagonal 223284927.50327

Equilateral Triangle

Length = n
Perimeter 386740839
Area 7.1961166832225E+15
Altitude 111642463.75164

Triangular Pyramid

Length = n
Surface area 7.1961166832225E+15
Volume 2.5248180876227E+23
Height 60770459.959706