129721144 (number)

129721144 is an even 9-digits composite number following 129721143 and preceding 129721145. In scientific notation, it is written as 1.29721144 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 55594752 positive integers (up to 129721144) that are relatively prime to 129721144.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand one hundred forty-four

Notation

Scientific notation 1.29721144 × 10^8
Engineering notation 1.29721144 × 10^6

Prime Factorization of 129721144

Prime Factorization 2 × 2 × 2 × 7 × 2316449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32430286
Product of the distinct prime numbers

The prime factorization of 129721144 is 2 × 2 × 2 × 7 × 2316449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129721144)

Multiplication

n×y
n×2 259442288
n×3 389163432
n×4 518884576
n×5 648605720

Division

n÷y
n÷2 64860572
n÷3 43240381.333333
n÷3 32430286
n÷5 25944228.8

Exponentiation

ny
n2 16827575200668736
n3 2.1828923057768E+24
n4 2.8316728713416E+32
n5 3.673278443042E+40

Nth Root

y√n
2√n 11389.519041645
3√n 506.21723033326
4√n 106.7216896495
5√n 41.937462966686

Divisors of 129721144

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 -129721143
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 129721144 can be divided by 16 positive divisors. The sum of these divisors (counting 129721144) is 1, the average is 0.0625.

Base conversion 129721144

Base System Value
2 Binary 111101110110110001100111000
3 Ternary 100001002111221211
4 Quaternary 13232312030320
5 Quinary 231202034034
6 Senary 20512212504
8 Octal 756661470
10 Decimal 129721144
12 Duodecimal 3753a134
16 Hexadecimal 7bb6338
20 Vigesimal 20af2h4
36 Base36 258dh4

Cryptographic Hash Functions

md5 cffebca5a021b6b54dd0bdd87e134642
sha1 54ef3d2c288ea7da25d30342384030d4dc63817d
sha256 9f3975e015c65c048014a10cc43f420ac8a8b567645a18b39d75c0ac58d05f05
sha512 ce334bd81f4814f6da269ff792f927cd3ed57ba252aa56a657c5529b92dfb190eeeee7aaa58d893818bfa91c9a3b765cf3dbdb7ce4e04e246f9ddcb4b8bb6591
ripemd-160 5a9319b2af39732385a1827da58aec8a13cca4aa

129721144 as geometric shapes

Circle

Radius = n
Diameter 259442288
Circumference 815061986.01133
Area 5.2865386628151E+16

Sphere

Radius = n
Volume 9.1436779085413E+24
Surface area 2.114615465126E+17
Circumference 815061986.01133

Square

Length = n
Perimeter 518884576
Area 16827575200668736
Diagonal 183453401.17135

Cube

Length = n
Surface area 100965451204012416
Volume 2.1828923057768E+24
Space diagonal 224683612.22396

Equilateral Triangle

Length = n
Perimeter 389163432
Area 7.2865538039361E+15
Altitude 112341806.11198

Triangular Pyramid

Length = n
Surface area 7.2865538039361E+15
Volume 2.5725632533578E+23
Height 61151133.723784