129156987 (number)

129156987 is an odd 9-digits composite number following 129156986 and preceding 129156988. In scientific notation, it is written as 1.29156987 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 84047520 positive integers (up to 129156987) that are relatively prime to 129156987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29156987 × 10^8
Engineering notation 1.29156987 × 10^6

Prime Factorization of 129156987

Prime Factorization 3 × 47 × 1987 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129156987
Product of the distinct prime numbers

The prime factorization of 129156987 is 3 × 47 × 1987 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 92, 2, 578, 540, 5996, 1833, 38698, 9525, 186237, 689007, 4321078, 3766733, 99066487, 15099974, 627565647, 165895884, 3991836906, 8609348544

Basic calculations (n = 129156987)

Multiplication

n×y
n×2 258313974
n×3 387470961
n×4 516627948
n×5 645784935

Division

n÷y
n÷2 64578493.5
n÷3 43052329
n÷3 32289246.75
n÷5 25831397.4

Exponentiation

ny
n2 16681527290918169
n3 2.1545358034533E+24
n4 2.7827335275765E+32
n5 3.5940947804566E+40

Nth Root

y√n
2√n 11364.725557619
3√n 505.4823180111
4√n 106.60546682802
5√n 41.900922156126

Divisors of 129156987

1, 3, 47, 141, 461, 1383, 1987, 5961, 21667, 65001, 93389, 280167, 916007, 2748021, 43052329, 129156987

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 -129156986
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 129156987 can be divided by 16 positive divisors. The sum of these divisors (counting 129156987) is 1, the average is 0.0625.

Base conversion 129156987

Base System Value
2 Binary 111101100101100011101111011
3 Ternary 100000000212002010
4 Quaternary 13230230131323
5 Quinary 231031010422
6 Senary 20452141003
8 Octal 754543573
10 Decimal 129156987
12 Duodecimal 37307763
16 Hexadecimal 7b2c77b
20 Vigesimal 2074c97
36 Base36 24wa63

Cryptographic Hash Functions

md5 77305fb3532f089aa300e30f4fc337b5
sha1 3e8352ff63317dd5a51e01570a2514ef36462c87
sha256 1fe25358019cb976192fc9c9ab81c5b402d41f8f3706f3bc46040275c11aae21
sha512 800e755b9057ea8e2496eae6fb83d1da305b4cc57857dfd4c079257138e112dfd3f225c91855c001eca6e4513da35b30ef112f641d2f2aab0ac743ba5dca3f0c
ripemd-160 da594c61bdde827382626bc55aa19cf3dfb24a30

129156987 as geometric shapes

Circle

Radius = n
Diameter 258313974
Circumference 811517283.03798
Area 5.2406563587806E+16

Sphere

Radius = n
Volume 9.0248984693666E+24
Surface area 2.0962625435122E+17
Circumference 811517283.03798

Square

Length = n
Perimeter 516627948
Area 16681527290918169
Diagonal 182655562.69065

Cube

Length = n
Surface area 100089163745509014
Volume 2.1545358034533E+24
Space diagonal 223706463.63651

Equilateral Triangle

Length = n
Perimeter 387470961
Area 7.2233132039293E+15
Altitude 111853231.81826

Triangular Pyramid

Length = n
Surface area 7.2233132039293E+15
Volume 2.539144794885E+23
Height 60885187.563549