129021891 (number)

129021891 is an odd 9-digits composite number following 129021890 and preceding 129021892. In scientific notation, it is written as 1.29021891 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 80653824 positive integers (up to 129021891) that are relatively prime to 129021891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29021891 × 10^8
Engineering notation 1.29021891 × 10^6

Prime Factorization of 129021891

Prime Factorization 3 × 17 × 277 × 9133

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129021891
Product of the distinct prime numbers

The prime factorization of 129021891 is 3 × 17 × 277 × 9133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 83, 8, 236, 674, 7427, 4468, 88164, 13762, 159067, 690132, 4940550, 1887611, 54857798, 76099392, 729107627, 216776930, 8905784179, 2482044955

Basic calculations (n = 129021891)

Multiplication

n×y
n×2 258043782
n×3 387065673
n×4 516087564
n×5 645109455

Division

n÷y
n÷2 64510945.5
n÷3 43007297
n÷3 32255472.75
n÷5 25804378.2

Exponentiation

ny
n2 16646648357215881
n3 2.14778204986E+24
n4 2.771109015288E+32
n5 3.575337253196E+40

Nth Root

y√n
2√n 11358.780348259
3√n 505.30601457281
4√n 106.57757901294
5√n 41.892152956759

Divisors of 129021891

1, 3, 17, 51, 277, 831, 4709, 9133, 14127, 27399, 155261, 465783, 2529841, 7589523, 43007297, 129021891

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 -129021890
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 129021891 can be divided by 16 positive divisors. The sum of these divisors (counting 129021891) is 1, the average is 0.0625.

Base conversion 129021891

Base System Value
2 Binary 111101100001011011111000011
3 Ternary 22222202222202120
4 Quaternary 13230023133003
5 Quinary 231012200031
6 Senary 20445215323
8 Octal 754133703
10 Decimal 129021891
12 Duodecimal 37261543
16 Hexadecimal 7b0b7c3
20 Vigesimal 2067eeb
36 Base36 24tdxf

Cryptographic Hash Functions

md5 91194021e72a7b95bc16367246fc8f33
sha1 30c37bca8395ebeda75e9d2a98d7ff8f75b7f8a8
sha256 4f27edd3fdcbb0fa3c7351fcfbf84d3bcb0957a9f3cf534f6e42f7fd3b5cc04e
sha512 32835a54276482a2165f7cd8d7df0f50e4abe852643df436b70300e3627f36f530ba7cd5bdc7059c50884b7b163b1369395d39477763fafcdc10bf6d142e1710
ripemd-160 d7daf7c92c093dcd7e15227942f952156e3ecb41

129021891 as geometric shapes

Circle

Radius = n
Diameter 258043782
Circumference 810668449.83573
Area 5.2296988185922E+16

Sphere

Radius = n
Volume 8.9966084124698E+24
Surface area 2.0918795274369E+17
Circumference 810668449.83573

Square

Length = n
Perimeter 516087564
Area 16646648357215881
Diagonal 182464508.09522

Cube

Length = n
Surface area 99879890143295286
Volume 2.14778204986E+24
Space diagonal 223472470.50061

Equilateral Triangle

Length = n
Perimeter 387065673
Area 7.2082101826077E+15
Altitude 111736235.25031

Triangular Pyramid

Length = n
Surface area 7.2082101826077E+15
Volume 2.5311854199446E+23
Height 60821502.698408