129355918 (number)

129355918 is an even 9-digits composite number following 129355917 and preceding 129355919. In scientific notation, it is written as 1.29355918 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 64657440 positive integers (up to 129355918) that are relatively prime to 129355918.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred fifty-five thousand nine hundred eighteen

Notation

Scientific notation 1.29355918 × 10^8
Engineering notation 1.29355918 × 10^6

Prime Factorization of 129355918

Prime Factorization 2 × 3889 × 16631

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129355918
Product of the distinct prime numbers

The prime factorization of 129355918 is 2 × 3889 × 16631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 53, 94, 432, 582, 1231, 9091, 59214, 89452, 786014, 91882, 9476511, 9888634, 24324081, 79728845, 330212860, 605623855, 1040754314, 4714230245

Basic calculations (n = 129355918)

Multiplication

n×y
n×2 258711836
n×3 388067754
n×4 517423672
n×5 646779590

Division

n÷y
n÷2 64677959
n÷3 43118639.333333
n÷3 32338979.5
n÷5 25871183.6

Exponentiation

ny
n2 16732953521622724
n3 2.1645065636408E+24
n4 2.7999173355679E+32
n5 3.621858772665E+40

Nth Root

y√n
2√n 11373.474315265
3√n 505.74170395447
4√n 106.6464922783
5√n 41.913821592576

Divisors of 129355918

1, 2, 3889, 7778, 16631, 33262, 64677959, 129355918

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 -129355917
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 129355918 can be divided by 8 positive divisors. The sum of these divisors (counting 129355918) is 1, the average is 0.125.

Base conversion 129355918

Base System Value
2 Binary 111101101011101000010001110
3 Ternary 100000101221221221
4 Quaternary 13231131002032
5 Quinary 231103342133
6 Senary 20500313554
8 Octal 755350216
10 Decimal 129355918
12 Duodecimal 373a28ba
16 Hexadecimal 7b5d08e
20 Vigesimal 20899fi
36 Base36 250jny

Cryptographic Hash Functions

md5 776d8320a75f9b0a729e0a8d0c788ad9
sha1 d2f4a5c1b0bb604d1adbdec7c3f6d8597afc0379
sha256 6c9cc32af79c622ef7df90c001b551f043a327bc1ee3dae1b935c697b1b5ed17
sha512 7734822b79588723214ad7a1019cd0edc14515ada1f9fe545cc9b01e81f51202f05eece7af7ae4641f93552f7f55358f59fe1a965260a007870ddeb529423a6c
ripemd-160 a95eb8853722c04d8336eb2e1c9fbe7c0dd2d38c

129355918 as geometric shapes

Circle

Radius = n
Diameter 258711836
Circumference 812767203.37433
Area 5.2568123856389E+16

Sphere

Radius = n
Volume 9.0666638919746E+24
Surface area 2.1027249542556E+17
Circumference 812767203.37433

Square

Length = n
Perimeter 517423672
Area 16732953521622724
Diagonal 182936893.60882

Cube

Length = n
Surface area 100397721129736344
Volume 2.1645065636408E+24
Space diagonal 224051022.23571

Equilateral Triangle

Length = n
Perimeter 388067754
Area 7.2455814150348E+15
Altitude 112025511.11786

Triangular Pyramid

Length = n
Surface area 7.2455814150348E+15
Volume 2.5508954484554E+23
Height 60978964.536274