129387621 (number)

129387621 is an odd 9-digits composite number following 129387620 and preceding 129387622. In scientific notation, it is written as 1.29387621 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 76515840 positive integers (up to 129387621) that are relatively prime to 129387621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29387621 × 10^8
Engineering notation 1.29387621 × 10^6

Prime Factorization of 129387621

Prime Factorization 11 × 3 × 83 × 97 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129387621
Product of the distinct prime numbers

The prime factorization of 129387621 is 11 × 3 × 83 × 97 × 487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 9, 15, 273, 592, 3322, 2420, 93978, 35297, 268107, 729728, 4437896, 114681, 36901761, 54818352, 517415442, 295929492, 8724442538, 1487463788

Basic calculations (n = 129387621)

Multiplication

n×y
n×2 258775242
n×3 388162863
n×4 517550484
n×5 646938105

Division

n÷y
n÷2 64693810.5
n÷3 43129207
n÷3 32346905.25
n÷5 25877524.2

Exponentiation

ny
n2 16741156468039641
n3 2.1660984081884E+24
n4 2.8026631988739E+32
n5 3.6262992376654E+40

Nth Root

y√n
2√n 11374.867955278
3√n 505.78301689377
4√n 106.6530260015
5√n 41.915875868344

Divisors of 129387621

1, 3, 11, 33, 83, 97, 249, 291, 487, 913, 1067, 1461, 2739, 3201, 5357, 8051, 16071, 24153, 40421, 47239, 88561, 121263, 141717, 265683, 444631, 519629, 1333893, 1558887, 3920837, 11762511, 43129207, 129387621

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129387620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129387621 can be divided by 32 positive divisors. The sum of these divisors (counting 129387621) is 1, the average is 0.03125.

Base conversion 129387621

Base System Value
2 Binary 111101101100100110001100101
3 Ternary 100000110120110010
4 Quaternary 13231210301211
5 Quinary 231110400441
6 Senary 20501120433
8 Octal 755446145
10 Decimal 129387621
12 Duodecimal 373b9119
16 Hexadecimal 7b64c65
20 Vigesimal 208d911
36 Base36 25184l

Cryptographic Hash Functions

md5 9f9f4bf34bf78bce901613d285cc476d
sha1 ac19d36b221129fa9b49ec6b7f556addd74d43fd
sha256 b8bef2f131e677784707f1a14e9589cbc7305ccaef23cba20f206680b20f692e
sha512 a82dfa02c784890d14b66c387fd560ed437bb76724b8fdf15140a0f2d69a440dec891e91c789485b3647c6d4d0e940b3f205b9f115811f47763605bbaee7b5ee
ripemd-160 3ec97ee2be303c142d9fef9e7fb66906fa0fe205

129387621 as geometric shapes

Circle

Radius = n
Diameter 258775242
Circumference 812966399.19812
Area 5.2593894172591E+16

Sphere

Radius = n
Volume 9.073331794823E+24
Surface area 2.1037557669036E+17
Circumference 812966399.19812

Square

Length = n
Perimeter 517550484
Area 16741156468039641
Diagonal 182981728.42139

Cube

Length = n
Surface area 100446938808237846
Volume 2.1660984081884E+24
Space diagonal 224105933.44247

Equilateral Triangle

Length = n
Perimeter 388162863
Area 7.2491333950262E+15
Altitude 112052966.72123

Triangular Pyramid

Length = n
Surface area 7.2491333950262E+15
Volume 2.5527714552457E+23
Height 60993909.473797