129128831 (number)

129128831 is an odd 9-digits composite number following 129128830 and preceding 129128832. In scientific notation, it is written as 1.29128831 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 114013152 positive integers (up to 129128831) that are relatively prime to 129128831.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-eight thousand eight hundred thirty-one

Notation

Scientific notation 1.29128831 × 10^8
Engineering notation 1.29128831 × 10^6

Prime Factorization of 129128831

Prime Factorization 13 × 23 × 431869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129128831
Product of the distinct prime numbers

The prime factorization of 129128831 is 13 × 23 × 431869. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 23, 93, 66, 684, 932, 2313, 35125, 14735, 961557, 906156, 8434517, 5085578, 65953576, 93400497, 129515562, 993156820, 3072255432, 4487311395

Basic calculations (n = 129128831)

Multiplication

n×y
n×2 258257662
n×3 387386493
n×4 516515324
n×5 645644155

Division

n÷y
n÷2 64564415.5
n÷3 43042943.666667
n÷3 32282207.75
n÷5 25825766.2

Exponentiation

ny
n2 16674254995426561
n3 2.1531270553553E+24
n4 2.7803077965251E+32
n5 3.5901789558547E+40

Nth Root

y√n
2√n 11363.486744833
3√n 505.44558391767
4√n 106.5996564011
5√n 41.899095131077

Divisors of 129128831

1, 13, 23, 299, 431869, 5614297, 9932987, 129128831

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 -129128830
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 129128831 can be divided by 8 positive divisors. The sum of these divisors (counting 129128831) is 1, the average is 0.125.

Base conversion 129128831

Base System Value
2 Binary 111101100100101100101111111
3 Ternary 22222222102110022
4 Quaternary 13230211211333
5 Quinary 231024110311
6 Senary 20451402355
8 Octal 754454577
10 Decimal 129128831
12 Duodecimal 372b33bb
16 Hexadecimal 7b2597f
20 Vigesimal 207121b
36 Base36 24vofz

Cryptographic Hash Functions

md5 f86a72b31ef8aba25d472d6eabb9edac
sha1 fe1d1d30b624508b42cc8106e0cc0ccb005d2ceb
sha256 a8e607ed7975e628910529b54e7077e1992072746a5de42b10d784bc27db97aa
sha512 12aeae5d528b59764261cab7024f9a2ebe2a3952e6065b8a1ce8703dc070af81439fff0da79ab657a650322fc47c1ef086aec6fca2a517905de93f224680327e
ripemd-160 8ddfbb0e0ac3460e0cb2ec6ce060659ba6c6402a

129128831 as geometric shapes

Circle

Radius = n
Diameter 258257662
Circumference 811340373.67248
Area 5.2383716997715E+16

Sphere

Radius = n
Volume 9.018997519133E+24
Surface area 2.0953486799086E+17
Circumference 811340373.67248

Square

Length = n
Perimeter 516515324
Area 16674254995426561
Diagonal 182615744.09358

Cube

Length = n
Surface area 100045529972559366
Volume 2.1531270553553E+24
Space diagonal 223657696.01398

Equilateral Triangle

Length = n
Perimeter 387386493
Area 7.2201642076095E+15
Altitude 111828848.00699

Triangular Pyramid

Length = n
Surface area 7.2201642076095E+15
Volume 2.53748456933E+23
Height 60871914.697861