129386987 (number)

129386987 is an odd 9-digits composite number following 129386986 and preceding 129386988. In scientific notation, it is written as 1.29386987 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 129359040 positive integers (up to 129386987) that are relatively prime to 129386987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29386987 × 10^8
Engineering notation 1.29386987 × 10^6

Prime Factorization of 129386987

Prime Factorization 5857 × 22091

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129386987
Product of the distinct prime numbers

The prime factorization of 129386987 is 5857 × 22091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 82, 83, 197, 945, 2213, 1472, 33561, 58139, 805645, 578301, 2087813, 7065379, 9488482, 39384245, 416207462, 294846476, 2852820339, 3313647333

Basic calculations (n = 129386987)

Multiplication

n×y
n×2 258773974
n×3 388160961
n×4 517547948
n×5 646934935

Division

n÷y
n÷2 64693493.5
n÷3 43128995.666667
n÷3 32346746.75
n÷5 25877397.4

Exponentiation

ny
n2 16740992404938169
n3 2.1660665666648E+24
n4 2.802608267022E+32
n5 3.6262103941126E+40

Nth Root

y√n
2√n 11374.840086788
3√n 505.78219077931
4√n 106.65289535117
5√n 41.915834790662

Divisors of 129386987

1, 5857, 22091, 129386987

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 -129386986
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 129386987 can be divided by 4 positive divisors. The sum of these divisors (counting 129386987) is 1, the average is 0.25.

Base conversion 129386987

Base System Value
2 Binary 111101101100100100111101011
3 Ternary 100000110112120122
4 Quaternary 13231210213223
5 Quinary 231110340422
6 Senary 20501113455
8 Octal 755444753
10 Decimal 129386987
12 Duodecimal 373b888b
16 Hexadecimal 7b649eb
20 Vigesimal 208d797
36 Base36 2517mz

Cryptographic Hash Functions

md5 0d40de73a3f4bc81d405874fda2598ce
sha1 203aa219d620704d333826db863a287d9b36b8c4
sha256 be24409b56eca4c8556f121ff5a687820026615a5bbfb4fc5a944a5de17c9fb5
sha512 6ff999fd1905b281dadb6a3ca3b7630e1c2ddee937bb81df40542d62c92e5ea4f7a04e24ea046110da3b2861993a0477170089db8df80389f4c35c43b5b1b10c
ripemd-160 2920ed27f4b8ed134c599e7ad96cdef83c7317fb

129386987 as geometric shapes

Circle

Radius = n
Diameter 258773974
Circumference 812962415.65864
Area 5.2593378753156E+16

Sphere

Radius = n
Volume 9.0731984173609E+24
Surface area 2.1037351501263E+17
Circumference 812962415.65864

Square

Length = n
Perimeter 517547948
Area 16740992404938169
Diagonal 182980831.80999

Cube

Length = n
Surface area 100445954429629014
Volume 2.1660665666648E+24
Space diagonal 224104835.32225

Equilateral Triangle

Length = n
Perimeter 388160961
Area 7.2490623536194E+15
Altitude 112052417.66113

Triangular Pyramid

Length = n
Surface area 7.2490623536194E+15
Volume 2.5527339296503E+23
Height 60993610.60333