129642790 (number)

129642790 is an even 9-digits composite number following 129642789 and preceding 129642791. In scientific notation, it is written as 1.29642790 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 51731680 positive integers (up to 129642790) that are relatively prime to 129642790.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29642790 × 10^8
Engineering notation 1.29642790 × 10^6

Prime Factorization of 129642790

Prime Factorization 2 × 5 × 419 × 30941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129642790
Product of the distinct prime numbers

The prime factorization of 129642790 is 2 × 5 × 419 × 30941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129642790)

Multiplication

n×y
n×2 259285580
n×3 388928370
n×4 518571160
n×5 648213950

Division

n÷y
n÷2 64821395
n÷3 43214263.333333
n÷3 32410697.5
n÷5 25928558

Exponentiation

ny
n2 16807252998984100
n3 2.1789391710242E+24
n4 2.8248375337186E+32
n5 3.66219819168E+40

Nth Root

y√n
2√n 11386.078780687
3√n 506.11528824352
4√n 106.70557052322
5√n 41.932395539627

Divisors of 129642790

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 -129642789
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 129642790 can be divided by 16 positive divisors. The sum of these divisors (counting 129642790) is 1, the average is 0.0625.

Base conversion 129642790

Base System Value
2 Binary 111101110100011000100100110
3 Ternary 100000221112110211
4 Quaternary 13232203010212
5 Quinary 231142032130
6 Senary 20510410034
8 Octal 756430446
10 Decimal 129642790
12 Duodecimal 3750091a
16 Hexadecimal 7ba3126
20 Vigesimal 20a56ja
36 Base36 256p0m

Cryptographic Hash Functions

md5 e797f07e691884dfd0c2031c1acd2a6b
sha1 48a62bdd4fc5769803c2a31f5b03b7f2eca6ec32
sha256 f534330948680d3f78b346207deff7ce7d6eca1acfffa5185caeae6f89ebbce4
sha512 2bbb14f32498fb31b743ebb7c76830abed4842d847afba55988cbeae6aaaa89e1a7fd9b8c1dc08d8aaac7415ff409fc13243142f5465a166365076c1f88c6c56
ripemd-160 548ce4b247d2db44103adde60b03279e3b33b3ef

129642790 as geometric shapes

Circle

Radius = n
Diameter 259285580
Circumference 814569673.30977
Area 5.2801542548633E+16

Sphere

Radius = n
Volume 9.1271190564114E+24
Surface area 2.1120617019453E+17
Circumference 814569673.30977

Square

Length = n
Perimeter 518571160
Area 16807252998984100
Diagonal 183342591.88189

Cube

Length = n
Surface area 100843517993904600
Volume 2.1789391710242E+24
Space diagonal 224547899.11498

Equilateral Triangle

Length = n
Perimeter 388928370
Area 7.2777540324762E+15
Altitude 112273949.55749

Triangular Pyramid

Length = n
Surface area 7.2777540324762E+15
Volume 2.5679044393736E+23
Height 61114197.293962