129021892 (number)

129021892 is an even 9-digits composite number following 129021891 and preceding 129021893. In scientific notation, it is written as 1.29021892 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 64510944 positive integers (up to 129021892) that are relatively prime to 129021892.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29021892 × 10^8
Engineering notation 1.29021892 × 10^6

Prime Factorization of 129021892

Prime Factorization 2 × 2 × 32255473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64510946
Product of the distinct prime numbers

The prime factorization of 129021892 is 2 × 2 × 32255473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 15, 20, 546, 724, 4469, 7381, 55777, 57248, 112009, 234487, 5588349, 6526172, 78783528, 15115381, 577526456, 483303281, 2606967254, 2587589220

Basic calculations (n = 129021892)

Multiplication

n×y
n×2 258043784
n×3 387065676
n×4 516087568
n×5 645109460

Division

n÷y
n÷2 64510946
n÷3 43007297.333333
n÷3 32255473
n÷5 25804378.4

Exponentiation

ny
n2 16646648615259664
n3 2.1477820998E+24
n4 2.7711091011993E+32
n5 3.5753373917515E+40

Nth Root

y√n
2√n 11358.780392278
3√n 505.30601587829
4√n 106.57757921945
5√n 41.892153021697

Divisors of 129021892

1, 2, 4, 32255473, 64510946, 129021892

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129021891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129021892 can be divided by 6 positive divisors. The sum of these divisors (counting 129021892) is 1, the average is 0.16666666666667.

Base conversion 129021892

Base System Value
2 Binary 111101100001011011111000100
3 Ternary 22222202222202121
4 Quaternary 13230023133010
5 Quinary 231012200032
6 Senary 20445215324
8 Octal 754133704
10 Decimal 129021892
12 Duodecimal 37261544
16 Hexadecimal 7b0b7c4
20 Vigesimal 2067eec
36 Base36 24tdxg

Cryptographic Hash Functions

md5 c1f3c28c4be8a1c26c4ff02fb3f27dd7
sha1 c5ae546015b19661397c3fb6c0392111493d76bb
sha256 0eb90eb6e61df37d741b0299034af98b40a9df129a36d143eaecb48b9c91d5a7
sha512 56985f11a7b52ca7eaf8a4ae55af631bfd4661504634e878030da7a660e93e5eb499f6305a7b6d1ff91bfd666cbd1008707f603e26b056b32d7bf586decaa211
ripemd-160 4026625d95fd911be1606a56a331174b37df93c4

129021892 as geometric shapes

Circle

Radius = n
Diameter 258043784
Circumference 810668456.11891
Area 5.229698899659E+16

Sphere

Radius = n
Volume 8.9966086216577E+24
Surface area 2.0918795598636E+17
Circumference 810668456.11891

Square

Length = n
Perimeter 516087568
Area 16646648615259664
Diagonal 182464509.50944

Cube

Length = n
Surface area 99879891691557984
Volume 2.1477820998E+24
Space diagonal 223472472.23266

Equilateral Triangle

Length = n
Perimeter 387065676
Area 7.208210294344E+15
Altitude 111736236.11633

Triangular Pyramid

Length = n
Surface area 7.208210294344E+15
Volume 2.5311854787994E+23
Height 60821503.169812