129156920 (number)

129156920 is an even 9-digits composite number following 129156919 and preceding 129156921. In scientific notation, it is written as 1.29156920 × 10^8. The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors. There are 51582720 positive integers (up to 129156920) that are relatively prime to 129156920.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred fifty-six thousand nine hundred twenty

Notation

Scientific notation 1.29156920 × 10^8
Engineering notation 1.29156920 × 10^6

Prime Factorization of 129156920

Prime Factorization 2 × 2 × 2 × 5 × 4243 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32289230
Product of the distinct prime numbers

The prime factorization of 129156920 is 2 × 2 × 2 × 5 × 4243 × 761. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129156920)

Multiplication

n×y
n×2 258313840
n×3 387470760
n×4 516627680
n×5 645784600

Division

n÷y
n÷2 64578460
n÷3 43052306.666667
n÷3 32289230
n÷5 25831384

Exponentiation

ny
n2 16681509983886400
n3 2.154532450468E+24
n4 2.782727753425E+32
n5 3.5940854583089E+40

Nth Root

y√n
2√n 11364.722609901
3√n 505.48223060501
4√n 106.60545300265
5√n 41.900917808916

Divisors of 129156920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129156919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129156920 can be divided by 32 positive divisors. The sum of these divisors (counting 129156920) is 1, the average is 0.03125.

Base conversion 129156920

Base System Value
2 Binary 111101100101100011100111000
3 Ternary 100000000211222122
4 Quaternary 13230230130320
5 Quinary 231031010140
6 Senary 20452140412
8 Octal 754543470
10 Decimal 129156920
12 Duodecimal 37307708
16 Hexadecimal 7b2c738
20 Vigesimal 2074c60
36 Base36 24wa48

Cryptographic Hash Functions

md5 e1df9df17d8bda2cca4c6eb2adbeae64
sha1 78148e54c400bed4f4443645d8b24ef40655e574
sha256 0e95533b2c416e350257e84948907eb0d0a9c7ddd2ed418e2588d49195f1f419
sha512 01201d76fd6181338e96933c889af441485512c5fd44395a57614342f5c524b6b38d5fc4421ec5915a16f5607843263509daa77e1436980efd9db4a51d6715ed
ripemd-160 263aec669b2454cc2a6ba90899d403c8a239cada

129156920 as geometric shapes

Circle

Radius = n
Diameter 258313840
Circumference 811516862.06457
Area 5.2406509216162E+16

Sphere

Radius = n
Volume 9.0248844244148E+24
Surface area 2.0962603686465E+17
Circumference 811516862.06457

Square

Length = n
Perimeter 516627680
Area 16681509983886400
Diagonal 182655467.93834

Cube

Length = n
Surface area 100089059903318400
Volume 2.154532450468E+24
Space diagonal 223706347.58911

Equilateral Triangle

Length = n
Perimeter 387470760
Area 7.2233057097647E+15
Altitude 111853173.79455

Triangular Pyramid

Length = n
Surface area 7.2233057097647E+15
Volume 2.539140843354E+23
Height 60885155.979446