129642690 (number)

129642690 is an even 9-digits composite number following 129642689 and preceding 129642691. In scientific notation, it is written as 1.29642690 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 34004160 positive integers (up to 129642690) that are relatively prime to 129642690.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty-two thousand six hundred ninety

Notation

Scientific notation 1.29642690 × 10^8
Engineering notation 1.29642690 × 10^6

Prime Factorization of 129642690

Prime Factorization 2 × 3 × 5 × 61 × 70843

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129642690
Product of the distinct prime numbers

The prime factorization of 129642690 is 2 × 3 × 5 × 61 × 70843. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 53, 76, 906, 696, 4193, 1181, 98077, 69444, 32499, 67483, 9881543, 819554, 47545781, 51362834, 239318128, 322317483, 5429442221, 8126938775

Basic calculations (n = 129642690)

Multiplication

n×y
n×2 259285380
n×3 388928070
n×4 518570760
n×5 648213450

Division

n÷y
n÷2 64821345
n÷3 43214230
n÷3 32410672.5
n÷5 25928538

Exponentiation

ny
n2 16807227070436100
n3 2.1789341288522E+24
n4 2.824828817972E+32
n5 3.6621840675141E+40

Nth Root

y√n
2√n 11386.074389358
3√n 506.11515811277
4√n 106.70554994637
5√n 41.932389070713

Divisors of 129642690

1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 70843, 141686, 212529, 354215, 425058, 708430, 1062645, 2125290, 4321423, 8642846, 12964269, 21607115, 25928538, 43214230, 64821345, 129642690

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 -129642689
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 129642690 can be divided by 32 positive divisors. The sum of these divisors (counting 129642690) is 1, the average is 0.03125.

Base conversion 129642690

Base System Value
2 Binary 111101110100011000011000010
3 Ternary 100000221112100010
4 Quaternary 13232203003002
5 Quinary 231142031230
6 Senary 20510405350
8 Octal 756430302
10 Decimal 129642690
12 Duodecimal 37500856
16 Hexadecimal 7ba30c2
20 Vigesimal 20a56ea
36 Base36 256oxu

Cryptographic Hash Functions

md5 25628f0696cbab76481ac741dedb1991
sha1 570d9e8952e77b8d4dde8ac904f339cdda94ca72
sha256 5c6e269dcb56819e8a101499c7d7663cd7061e27d5c01c015a15126cb1b62da6
sha512 463756508f10ee3c7148bbfafb9d4b2948dca5fb23d5324db815888919f001191f5e94e89ad0965b9c763aec70e3a288e796b704071b9bdd6a63a590960c5048
ripemd-160 22bbfcf1a8127458fc7ce39f201ed5c7515d6ec8

129642690 as geometric shapes

Circle

Radius = n
Diameter 259285380
Circumference 814569044.99124
Area 5.2801461091698E+16

Sphere

Radius = n
Volume 9.1270979358107E+24
Surface area 2.1120584436679E+17
Circumference 814569044.99124

Square

Length = n
Perimeter 518570760
Area 16807227070436100
Diagonal 183342450.46053

Cube

Length = n
Surface area 100843362422616600
Volume 2.1789341288522E+24
Space diagonal 224547725.9099

Equilateral Triangle

Length = n
Perimeter 388928070
Area 7.2777428050856E+15
Altitude 112273862.95495

Triangular Pyramid

Length = n
Surface area 7.2777428050856E+15
Volume 2.5678984971169E+23
Height 61114150.15351