128973100 is an even 9-digits composite number following 128973099
and preceding 128973101 . In scientific notation, it is written as 1.28973100 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 51589200 positive integers (up to 128973100) that are relatively prime to 128973100.
128973100 has 12 divisors, whose sum is 234731224
The reverse of 128973100 is 001379821
Previous prime number is 25
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million nine hundred seventy-three thousand one hundred
Scientific notation
1.28973100 × 10^8
Engineering notation
1.28973100 × 10^6
Prime Factorization
2 × 2 × 25 × 1289731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64486550
Product of the distinct prime numbers
The prime factorization of 128973100 is 2 × 2 × 25 × 1289731.
Since it has a total of 4 prime factors.
8 , 8 , 91 , 83 , 605 , 612 , 4612 , 1326 , 58357 , 27150 , 967804 , 667496 , 4279536 , 7947601 , 86888780 , 99098129 , 655102561 , 706162867 , 5147435138 , 589052574
n×2
257946200
n×3
386919300
n×4
515892400
n×5
644865500
n÷2
64486550
n÷3
42991033.333333
n÷3
32243275
n÷5
25794620
n2
16634060523610000
n3
2.1453463513176E+24
n4
2.7669196950312E+32
n5
3.5685821051923E+40
2 √n
11356.63242339
3 √n
505.24231092792
4 √n
106.56750172257
5 √n
41.888984084768
1 , 2 , 4 , 25 , 50 , 100 , 1289731 , 2579462 , 5158924 , 32243275 , 64486550 , 128973100
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128973099
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128973100 can be divided by 12 positive divisors.
The sum of these divisors (counting 128973100) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101011111111100100101100
3
Ternary
22222200111211111
4
Quaternary
13223333210230
5
Quinary
231004114400
6
Senary
20444201404
8
Octal
753774454
10
Decimal
128973100
12
Duodecimal
37239264
16
Hexadecimal
7aff92c
20
Vigesimal
2061cf0
36
Base36
24sca4
md5
04b34b1d8cd2033e7b70c24d34881a38
sha1
0b17f20cd4bc025825a42e0c4b7b3338f339b064
sha256
77d332dd4db566977c46fd8b94e1e71a8048602585e0d6f0255501d468ce381f
sha512
bc292748486b756fdfbcb3deca3c5f940ace5a9d19c1bab2f2acad7a3409eda8cff1c90de9e6f79e4c001cd59fd2b6f8973834a6ef120a70372a5bdfffe6f9ac
ripemd-160
cc6ef15d7b649e3262887dee52a258f92300b6b3
Diameter
257946200
Circumference
810361886.9414
Area
5.2257442340341E+16
Volume
8.9864057822734E+24
Surface area
2.0902976936136E+17
Circumference
810361886.9414
Perimeter
515892400
Area
16634060523610000
Diagonal
182395507.2013
Surface area
99804363141660000
Volume
2.1453463513176E+24
Space diagonal
223387962.00966
Perimeter
386919300
Area
7.2027594907671E+15
Altitude
111693981.00483
Surface area
7.2027594907671E+15
Volume
2.5283149216842E+23
Height
60798502.400434