129156978 is an even 9-digits composite number following 129156977
and preceding 129156979 . In scientific notation, it is written as 1.29156978 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 42568416 positive integers (up to 129156978) that are relatively prime to 129156978.
129156978 has 16 divisors, whose sum is 261217440
The reverse of 129156978 is 879651921
Previous prime number is 89
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-nine million one hundred fifty-six thousand nine hundred seventy-eight
Scientific notation
1.29156978 × 10^8
Engineering notation
1.29156978 × 10^6
Prime Factorization
2 × 3 × 89 × 241867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129156978
Product of the distinct prime numbers
The prime factorization of 129156978 is 2 × 3 × 89 × 241867.
Since it has a total of 4 prime factors.
5 , 3 , 15 , 57 , 206 , 817 , 862 , 2580 , 46835 , 56611 , 568815 , 367598 , 2850174 , 8632312 , 60277565 , 77658206 , 511380517 , 352883812 , 2328291063 , 4616896877
n×2
258313956
n×3
387470934
n×4
516627912
n×5
645784890
n÷2
64578489
n÷3
43052326
n÷3
32289244.5
n÷5
25831395.6
n2
16681524966092484
n3
2.1545353530521E+24
n4
2.7827327519437E+32
n5
3.5940935282267E+40
2 √n
11364.725161657
3 √n
505.48230626999
4 √n
106.60546497088
5 √n
41.900921572172
1 , 2 , 3 , 6 , 89 , 178 , 267 , 534 , 241867 , 483734 , 725601 , 1451202 , 21526163 , 43052326 , 64578489 , 129156978
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
-129156977
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 129156978 can be divided by 16 positive divisors.
The sum of these divisors (counting 129156978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100101100011101110010
3
Ternary
100000000212001210
4
Quaternary
13230230131302
5
Quinary
231031010403
6
Senary
20452140550
8
Octal
754543562
10
Decimal
129156978
12
Duodecimal
37307756
16
Hexadecimal
7b2c772
20
Vigesimal
2074c8i
36
Base36
24wa5u
md5
b7f7ec2ecbc60399c69087308befed28
sha1
ae1a2bf136c336adb884643f1f1154136a31e567
sha256
5d18e8de53fbef458a2207286a664a79322052907e6dba36b690b19e01e9dd3b
sha512
efcee38fc25919ebb78d173abd69f86c07121c879b63dd017f3a3b6b9f077b2746f851c1e3fd7677b8bde4103b5b9454dfb2fe1b38990e72b81d08113e907554
ripemd-160
c30e816e25c57ed0b44d42ba3a6cfd237de21ff5
Diameter
258313956
Circumference
811517226.48932
Area
5.2406556284151E+16
Volume
9.0248965827304E+24
Surface area
2.096262251366E+17
Circumference
811517226.48932
Perimeter
516627912
Area
16681524966092484
Diagonal
182655549.96272
Surface area
100089149796554904
Volume
2.1545353530521E+24
Space diagonal
223706448.04806
Perimeter
387470934
Area
7.2233121972502E+15
Altitude
111853224.02403
Surface area
7.2233121972502E+15
Volume
2.5391442640821E+23
Height
60885183.320908