129021898 (number)

129021898 is an even 9-digits composite number following 129021897 and preceding 129021899. In scientific notation, it is written as 1.29021898 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 64510948 positive integers (up to 129021898) that are relatively prime to 129021898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29021898 × 10^8
Engineering notation 1.29021898 × 10^6

Prime Factorization of 129021898

Prime Factorization 2 × 64510949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129021898
Product of the distinct prime numbers

The prime factorization of 129021898 is 2 × 64510949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129021898)

Multiplication

n×y
n×2 258043796
n×3 387065694
n×4 516087592
n×5 645109490

Division

n÷y
n÷2 64510949
n÷3 43007299.333333
n÷3 32255474.5
n÷5 25804379.6

Exponentiation

ny
n2 16646650163522404
n3 2.1477823994397E+24
n4 2.771109616667E+32
n5 3.5753382230843E+40

Nth Root

y√n
2√n 11358.780656391
3√n 505.30602371116
4√n 106.57758045851
5√n 41.892153411325

Divisors of 129021898

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129021897
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129021898 can be divided by 4 positive divisors. The sum of these divisors (counting 129021898) is 1, the average is 0.25.

Base conversion 129021898

Base System Value
2 Binary 111101100001011011111001010
3 Ternary 22222202222202211
4 Quaternary 13230023133022
5 Quinary 231012200043
6 Senary 20445215334
8 Octal 754133712
10 Decimal 129021898
12 Duodecimal 3726154a
16 Hexadecimal 7b0b7ca
20 Vigesimal 2067eei
36 Base36 24tdxm

Cryptographic Hash Functions

md5 caebc003a1ec18701f4cc7a3b9dfaa7a
sha1 89a4e0f4348658e109aa94efe80dd22225f7f321
sha256 c4bdfe67abeda510f87515d76594762a8704fb7a395aeaa9366443fc2dbaa66d
sha512 fe4e3acc597adab933b86597669c0305bbe4c37f986e6000e28ac4909b15f054d6e70dcacb47c6a9849759509670e402dc50cd688f9714c6aa8881334c3c6b8a
ripemd-160 99fd4c10e193963bb5445e37c13d43b951e38957

129021898 as geometric shapes

Circle

Radius = n
Diameter 258043796
Circumference 810668493.81802
Area 5.2296993860601E+16

Sphere

Radius = n
Volume 8.9966098767855E+24
Surface area 2.0918797544241E+17
Circumference 810668493.81802

Square

Length = n
Perimeter 516087592
Area 16646650163522404
Diagonal 182464517.99472

Cube

Length = n
Surface area 99879900981134424
Volume 2.1477823994397E+24
Space diagonal 223472482.62497

Equilateral Triangle

Length = n
Perimeter 387065694
Area 7.2082109647614E+15
Altitude 111736241.31248

Triangular Pyramid

Length = n
Surface area 7.2082109647614E+15
Volume 2.5311858319282E+23
Height 60821505.998239