129618985 (number)

129618985 is an odd 9-digits composite number following 129618984 and preceding 129618986. In scientific notation, it is written as 1.29618985 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 100336320 positive integers (up to 129618985) that are relatively prime to 129618985.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred eighteen thousand nine hundred eighty-five

Notation

Scientific notation 1.29618985 × 10^8
Engineering notation 1.29618985 × 10^6

Prime Factorization of 129618985

Prime Factorization 5 × 109 × 43 × 5531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129618985
Product of the distinct prime numbers

The prime factorization of 129618985 is 5 × 109 × 43 × 5531. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 3, 64, 497, 410, 6897, 5109, 43055, 19793, 89951, 795757, 2620301, 1969212, 84512334, 88846151, 426836052, 461528426, 8731741003, 8945212987

Basic calculations (n = 129618985)

Multiplication

n×y
n×2 259237970
n×3 388856955
n×4 518475940
n×5 648094925

Division

n÷y
n÷2 64809492.5
n÷3 43206328.333333
n÷3 32404746.25
n÷5 25923797

Exponentiation

ny
n2 16801081272430225
n3 2.1777391014349E+24
n4 2.8227633192281E+32
n5 3.6588371633357E+40

Nth Root

y√n
2√n 11385.033377202
3√n 506.08430872939
4√n 106.70067186856
5√n 41.930855501805

Divisors of 129618985

1, 5, 43, 109, 215, 545, 4687, 5531, 23435, 27655, 237833, 602879, 1189165, 3014395, 25923797, 129618985

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 -129618984
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 129618985 can be divided by 16 positive divisors. The sum of these divisors (counting 129618985) is 1, the average is 0.0625.

Base conversion 129618985

Base System Value
2 Binary 111101110011101010000101001
3 Ternary 100000220022211011
4 Quaternary 13232131100221
5 Quinary 231140301420
6 Senary 20510103521
8 Octal 756352051
10 Decimal 129618985
12 Duodecimal 374aaba1
16 Hexadecimal 7b9d429
20 Vigesimal 20a2795
36 Base36 2566nd

Cryptographic Hash Functions

md5 9a60cc343a82977deaf02c0385c57cb3
sha1 2accff429e692cae0f028e511de550a7bade84e0
sha256 6540bed4e6611fa0c60ba7d6ca5bb8c17320272705594030992f6fdb99f553c1
sha512 ec92162abf8265603f6b0bc9c9b34495db1f88ecb8ce1e486d8eb6f8c374f3597e2c5f27b1c06ab534b024fed5cd10e9c2d1cac924929e3d917305a326a10bc5
ripemd-160 6dc6a0868f9e6cf6483cfb433a0b85fa40afdca2

129618985 as geometric shapes

Circle

Radius = n
Diameter 259237970
Circumference 814420102.08353
Area 5.2782153497832E+16

Sphere

Radius = n
Volume 9.1220922166709E+24
Surface area 2.1112861399133E+17
Circumference 814420102.08353

Square

Length = n
Perimeter 518475940
Area 16801081272430225
Diagonal 183308926.52803

Cube

Length = n
Surface area 100806487634581350
Volume 2.1777391014349E+24
Space diagonal 224506667.64551

Equilateral Triangle

Length = n
Perimeter 388856955
Area 7.2750815964858E+15
Altitude 112253333.82275

Triangular Pyramid

Length = n
Surface area 7.2750815964858E+15
Volume 2.5664901437995E+23
Height 61102975.509345