129891421 (number)

129891421 is an odd 9-digits composite number following 129891420 and preceding 129891422. In scientific notation, it is written as 1.29891421 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 118083100 positive integers (up to 129891421) that are relatively prime to 129891421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29891421 × 10^8
Engineering notation 1.29891421 × 10^6

Prime Factorization of 129891421

Prime Factorization 11 × 11808311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129891421
Product of the distinct prime numbers

The prime factorization of 129891421 is 11 × 11808311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 52, 56, 450, 321, 6810, 5643, 45854, 56369, 660630, 138473, 5807516, 662085, 74010464, 39288354, 959722211, 766565738, 3108067106, 9575497994

Basic calculations (n = 129891421)

Multiplication

n×y
n×2 259782842
n×3 389674263
n×4 519565684
n×5 649457105

Division

n÷y
n÷2 64945710.5
n÷3 43297140.333333
n÷3 32472855.25
n÷5 25978284.2

Exponentiation

ny
n2 16871781249399241
n3 2.1914996412856E+24
n4 2.8465700252758E+32
n5 3.6974502555908E+40

Nth Root

y√n
2√n 11396.991752213
3√n 506.43862694066
4√n 106.75669417986
5√n 41.948466938279

Divisors of 129891421

1, 11, 11808311, 129891421

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 -129891420
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 129891421 can be divided by 4 positive divisors. The sum of these divisors (counting 129891421) is 1, the average is 0.25.

Base conversion 129891421

Base System Value
2 Binary 111101111011111110001011101
3 Ternary 100001102011112101
4 Quaternary 13233133301131
5 Quinary 231223011141
6 Senary 20520005101
8 Octal 757376135
10 Decimal 129891421
12 Duodecimal 37600791
16 Hexadecimal 7bdfc5d
20 Vigesimal 20bg8b1
36 Base36 25c0v1

Cryptographic Hash Functions

md5 ab0e29310c57c4a462f8c4c61c119946
sha1 833f0a534b886ed6236e1ec0d334dd99660706f8
sha256 71a478cc0884fb7dd800405e2b0bbb814956d073ae08db31e4badaebd5a93571
sha512 0f595f3d660268eb071fa3670123c9a7f6b9e1e02b5af937e58ad502b5a03d42504d0f67d69a65a2c8c49543035b6175d82b8d13e01fe33a9fd89ae85b5b82e9
ripemd-160 eb7ecbcbf0156a23d0528a6c85f2109133a03959

129891421 as geometric shapes

Circle

Radius = n
Diameter 259782842
Circumference 816131867.95588
Area 5.3004264026087E+16

Sphere

Radius = n
Volume 9.1797322312101E+24
Surface area 2.1201705610435E+17
Circumference 816131867.95588

Square

Length = n
Perimeter 519565684
Area 16871781249399241
Diagonal 183694209.21411

Cube

Length = n
Surface area 101230687496395446
Volume 2.1914996412856E+24
Space diagonal 224978540.63932

Equilateral Triangle

Length = n
Perimeter 389674263
Area 7.3056955845368E+15
Altitude 112489270.31966

Triangular Pyramid

Length = n
Surface area 7.3056955845368E+15
Volume 2.5827070955349E+23
Height 61231403.071371