129721143 is an odd 9-digits composite number following 129721142
and preceding 129721144 . In scientific notation, it is written as 1.29721143 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 83466240 positive integers (up to 129721143) that are relatively prime to 129721143.
129721143 has 16 divisors, whose sum is 179020800
The reverse of 129721143 is 341127921
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million seven hundred twenty-one thousand one hundred forty-three
Scientific notation
1.29721143 × 10^8
Engineering notation
1.29721143 × 10^6
Prime Factorization
3 × 31 × 419 × 3329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129721143
Product of the distinct prime numbers
The prime factorization of 129721143 is 3 × 31 × 419 × 3329.
Since it has a total of 4 prime factors.
3 , 8 , 83 , 22 , 494 , 643 , 7095 , 121 , 67625 , 55708 , 815933 , 561499 , 8798147 , 8521717 , 441287 , 76578494 , 954859091 , 772851512 , 7355336711 , 9083713638
n×2
259442286
n×3
389163429
n×4
518884572
n×5
648605715
n÷2
64860571.5
n÷3
43240381
n÷3
32430285.75
n÷5
25944228.6
n2
16827574941226449
n3
2.1828922552941E+24
n4
2.8316727840259E+32
n5
3.6732783014583E+40
2 √n
11389.518997745
3 √n
506.21722903248
4 √n
106.72168944383
5 √n
41.937462902028
1 , 3 , 31 , 93 , 419 , 1257 , 3329 , 9987 , 12989 , 38967 , 103199 , 309597 , 1394851 , 4184553 , 43240381 , 129721143
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
-129721142
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 129721143 can be divided by 16 positive divisors.
The sum of these divisors (counting 129721143) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110110110001100110111
3
Ternary
100001002111221210
4
Quaternary
13232312030313
5
Quinary
231202034033
6
Senary
20512212503
8
Octal
756661467
10
Decimal
129721143
12
Duodecimal
3753a133
16
Hexadecimal
7bb6337
20
Vigesimal
20af2h3
36
Base36
258dh3
md5
066054f6b1578f2330c68ff4400adc9a
sha1
58737cd01e4fa17ee43bc98910771f0a48ddeb83
sha256
2fcb391beafc8e77d17d3294e1c66621ea72f1b94606be93cc937cc58a577313
sha512
9d09e8da1441b21915116048b934b2ff1f4e6dcbfd2325d17b080be32113f9979063c366c82c1418c15552340d61924dbaf481dc3afba25a43ca66ebfc6fd749
ripemd-160
a3fc883352246f3dcfef8b88c117395049752db0
Diameter
259442286
Circumference
815061979.72814
Area
5.2865385813089E+16
Volume
9.1436776970798E+24
Surface area
2.1146154325235E+17
Circumference
815061979.72814
Perimeter
518884572
Area
16827574941226449
Diagonal
183453399.75714
Surface area
100965449647358694
Volume
2.1828922552941E+24
Space diagonal
224683610.49191
Perimeter
389163429
Area
7.2865536915943E+15
Altitude
112341805.24595
Surface area
7.2865536915943E+15
Volume
2.5725631938634E+23
Height
61151133.25238