129721835 (number)

129721835 is an odd 9-digits composite number following 129721834 and preceding 129721836. In scientific notation, it is written as 1.29721835 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 97653600 positive integers (up to 129721835) that are relatively prime to 129721835.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand eight hundred thirty-five

Notation

Scientific notation 1.29721835 × 10^8
Engineering notation 1.29721835 × 10^6

Prime Factorization of 129721835

Prime Factorization 5 × 19 × 151 × 9043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129721835
Product of the distinct prime numbers

The prime factorization of 129721835 is 5 × 19 × 151 × 9043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129721835)

Multiplication

n×y
n×2 259443670
n×3 389165505
n×4 518887340
n×5 648609175

Division

n÷y
n÷2 64860917.5
n÷3 43240611.666667
n÷3 32430458.75
n÷5 25944367

Exponentiation

ny
n2 16827754475767225
n3 2.182927189526E+24
n4 2.831733206967E+32
n5 3.673376278382E+40

Nth Root

y√n
2√n 11389.549376512
3√n 506.21812917281
4√n 106.72183177079
5√n 41.937507645177

Divisors of 129721835

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 -129721834
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 129721835 can be divided by 16 positive divisors. The sum of these divisors (counting 129721835) is 1, the average is 0.0625.

Base conversion 129721835

Base System Value
2 Binary 111101110110110010111101011
3 Ternary 100001002112220102
4 Quaternary 13232312113223
5 Quinary 231202044320
6 Senary 20512220015
8 Octal 756662753
10 Decimal 129721835
12 Duodecimal 3753a60b
16 Hexadecimal 7bb65eb
20 Vigesimal 20af4bf
36 Base36 258e0b

Cryptographic Hash Functions

md5 5e60ed7a8e6ca88a96aba46eddd2c1ed
sha1 5f2d840f37e310e46d3e41efabb037ee52b77801
sha256 f7103ddd5b81dc99995f19d5e1203a5bb5df0d80b341be3651bb2180314d5784
sha512 a831472fe5e007e9aa2f0f7c77d7c42339ba19b4f69aa2cd21419d75a59767ead4953b32039caec9f6594bebcfa9b1a6f19ecdb8d369550886a17c5897ac3826
ripemd-160 66786ec714aa6d0f51bfa0fe9626f7df2b7559d9

129721835 as geometric shapes

Circle

Radius = n
Diameter 259443670
Circumference 815066327.69237
Area 5.2865949837483E+16

Sphere

Radius = n
Volume 9.1438240292483E+24
Surface area 2.1146379934993E+17
Circumference 815066327.69237

Square

Length = n
Perimeter 518887340
Area 16827754475767225
Diagonal 183454378.39292

Cube

Length = n
Surface area 100966526854603350
Volume 2.182927189526E+24
Space diagonal 224684809.07107

Equilateral Triangle

Length = n
Perimeter 389165505
Area 7.2866314323309E+15
Altitude 112342404.53553

Triangular Pyramid

Length = n
Surface area 7.2866314323309E+15
Volume 2.5726043642505E+23
Height 61151459.464308