20128902 is an even 8-digits composite number following 20128901
and preceding 20128903 . In scientific notation, it is written as 2.0128902 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6441120 positive integers (up to 20128902) that are relatively prime to 20128902.
20128902 has 32 divisors, whose sum is 41902080
The reverse of 20128902 is 20982102
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-eight thousand nine hundred two
Scientific notation
2.0128902 × 10^7
Engineering notation
2.0128902 × 10^6
Prime Factorization
2 × 3 × 61 × 43 × 1279
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20128902
Product of the distinct prime numbers
The prime factorization of 20128902 is 2 × 3 × 61 × 43 × 1279.
Since it has a total of 5 prime factors.
5 , 6 , 9 , 8 , 214 , 220 , 5772 , 6553 , 44939 , 98193 , 704522 , 342460 , 2932177 , 3259685 , 5449999 , 8504136 , 344218203 , 470123121 , 4856642699 , 6163881953
n×2
40257804
n×3
60386706
n×4
80515608
n×5
100644510
n÷2
10064451
n÷3
6709634
n÷3
5032225.5
n÷5
4025780.4
n2
405172695725604
n3
8.1556814853365E+21
n4
1.6416491336155E+29
n5
3.3044594528932E+36
2 √n
4486.5244900702
3 √n
272.02366972507
4 √n
66.98152349768
5 √n
28.891095981908
1 , 2 , 3 , 6 , 43 , 61 , 86 , 122 , 129 , 183 , 258 , 366 , 1279 , 2558 , 2623 , 3837 , 5246 , 7674 , 7869 , 15738 , 54997 , 78019 , 109994 , 156038 , 164991 , 234057 , 329982 , 468114 , 3354817 , 6709634 , 10064451 , 20128902
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128902 can be divided by 32 positive divisors.
The sum of these divisors (counting 20128902) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010010010000110
3
Ternary
1101212122122220
4
Quaternary
1030302102012
5
Quinary
20123111102
6
Senary
1555233210
8
Octal
114622206
10
Decimal
20128902
12
Duodecimal
68a8806
16
Hexadecimal
1332486
20
Vigesimal
65g252
36
Base36
bzfk6
md5
fc282006bc0bf892d1b8241652fc20a5
sha1
23e49f446268a1066d7aa84a2c21c5cee48ae895
sha256
fe8b3e23e20b4f355b858e439dc94d130fac3fc7e6962c53e86eea35724eb18e
sha512
f814ba9efa85d2b9d491ff6cab88d1f9d933a3b3727494560f59b39bfde5a75e890e73745bf9fa7106084c46098ec4f4925d5b44f3f6d681c1a7366c73aa4672
ripemd-160
d412c957d37552a39811ab54379c32aedde901aa
Diameter
40257804
Circumference
126473621.29606
Area
1.2728875643267E+15
Volume
3.4162438719135E+22
Surface area
5.0915502573069E+15
Circumference
126473621.29606
Perimeter
80515608
Area
405172695725604
Diagonal
28466566.204079
Surface area
2431036174353624
Volume
8.1556814853365E+21
Space diagonal
34864280.964575
Perimeter
60386706
Area
1.754449237091E+14
Altitude
17432140.482287
Surface area
1.754449237091E+14
Volume
9.6115628057984E+20
Height
9488855.4013596