129726987 (number)

129726987 is an odd 9-digits composite number following 129726986 and preceding 129726988. In scientific notation, it is written as 1.29726987 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 78324480 positive integers (up to 129726987) that are relatively prime to 129726987.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.29726987 × 10^8
Engineering notation 1.29726987 × 10^6

Prime Factorization of 129726987

Prime Factorization 3 × 13 × 53 × 62761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129726987
Product of the distinct prime numbers

The prime factorization of 129726987 is 3 × 13 × 53 × 62761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 83, 8, 775, 403, 2521, 2774, 11654, 86692, 849605, 140107, 2444495, 7912808, 53260862, 83874032, 228160477, 772453130, 599264784, 7066346662

Basic calculations (n = 129726987)

Multiplication

n×y
n×2 259453974
n×3 389180961
n×4 518907948
n×5 648634935

Division

n÷y
n÷2 64863493.5
n÷3 43242329
n÷3 32431746.75
n÷5 25945397.4

Exponentiation

ny
n2 16829091156098169
n3 2.183187289629E+24
n4 2.8321830914026E+32
n5 3.6741057908001E+40

Nth Root

y√n
2√n 11389.775546515
3√n 506.22483069502
4√n 106.72289138941
5√n 41.937840755801

Divisors of 129726987

1, 3, 13, 39, 53, 159, 689, 2067, 62761, 188283, 815893, 2447679, 3326333, 9978999, 43242329, 129726987

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 -129726986
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 129726987 can be divided by 16 positive divisors. The sum of these divisors (counting 129726987) is 1, the average is 0.0625.

Base conversion 129726987

Base System Value
2 Binary 111101110110111101000001011
3 Ternary 100001002210222020
4 Quaternary 13232313220023
5 Quinary 231202230422
6 Senary 20512255523
8 Octal 756675013
10 Decimal 129726987
12 Duodecimal 375415a3
16 Hexadecimal 7bb7a0b
20 Vigesimal 20afh97
36 Base36 258hzf

Cryptographic Hash Functions

md5 a70ff07a14f661a51f9a5b2137f813ed
sha1 eff77ea277cbcf12a20e59ec7b8b926152ece46b
sha256 6a0e9a9f33e95fb7ca3f1cd07aec4e7631d7a21038b07f4a59d8767c7965f498
sha512 db57c4abb3a1a779bf51e531bdcc80dbe93e0ed983a36d9544ccc8c8ab549aa4d4795c9e846410aa5270c00cb779663fb8fb31c1ceca6e5d06137b6be127cdaf
ripemd-160 e46dac8412a321df910111909dc49f55c0375533

129726987 as geometric shapes

Circle

Radius = n
Diameter 259453974
Circumference 815098698.66308
Area 5.2870149142591E+16

Sphere

Radius = n
Volume 9.1449135340119E+24
Surface area 2.1148059657036E+17
Circumference 815098698.66308

Square

Length = n
Perimeter 518907948
Area 16829091156098169
Diagonal 183461664.4212

Cube

Length = n
Surface area 100974546936589014
Volume 2.183187289629E+24
Space diagonal 224693732.59683

Equilateral Triangle

Length = n
Perimeter 389180961
Area 7.2872102318925E+15
Altitude 112346866.29841

Triangular Pyramid

Length = n
Surface area 7.2872102318925E+15
Volume 2.5729108951615E+23
Height 61153888.140399