20128089 is an odd 8-digits composite number following 20128088
and preceding 20128090 . In scientific notation, it is written as 2.0128089 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13091360 positive integers (up to 20128089) that are relatively prime to 20128089.
20128089 has 4 divisors, whose sum is 20291856
The reverse of 20128089 is 98082102
Previous prime number is 123
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-eight thousand eighty-nine
Scientific notation
2.0128089 × 10^7
Engineering notation
2.0128089 × 10^6
Prime Factorization
123 × 163643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128089
Product of the distinct prime numbers
The prime factorization of 20128089 is 123 × 163643.
Since it has a total of 2 prime factors.
8 , 3 , 46 , 29 , 121 , 124 , 6535 , 8901 , 74315 , 90566 , 98437 , 611127 , 6807281 , 3597855 , 17424474 , 70148201 , 29158169 , 138165762 , 9093200368 , 9931367288
n×2
40256178
n×3
60384267
n×4
80512356
n×5
100640445
n÷2
10064044.5
n÷3
6709363
n÷3
5032022.25
n÷5
4025617.8
n2
405139966791921
n3
8.1546933090448E+21
n4
1.6413839269216E+29
n5
3.3037921764247E+36
2 √n
4486.4338845011
3 √n
272.02000735903
4 √n
66.980847146786
5 √n
28.890862597687
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128088
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128089 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128089) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010000101011001
3
Ternary
1101212121112210
4
Quaternary
1030302011121
5
Quinary
20123044324
6
Senary
1555225333
8
Octal
114620531
10
Decimal
20128089
12
Duodecimal
68a8249
16
Hexadecimal
1332159
20
Vigesimal
65g049
36
Base36
bzexl
md5
dca1b62d0747f753cdc1f7f059aeea59
sha1
e0d9aec905eda10b8c1cd17df13d99e8483b77a7
sha256
f063050306cbb860d2c64c13aa25cfab92ab25f0e806186f6c16be5f470be2b6
sha512
efa97a91706fdc07bba184d6b5b295d41e94888f4e0735f199eea54a94828e4c2b3b3a2f07ba97ffda329c7d3bdb215ce6e8553b5b8a80e99296b8acf472d10e
ripemd-160
7a19af8ba29d15e84a5c64583d7b24ab8d4768d0
Diameter
40256178
Circumference
126468513.0664
Area
1.2727847433491E+15
Volume
3.4158299455964E+22
Surface area
5.0911389733964E+15
Circumference
126468513.0664
Perimeter
80512356
Area
405139966791921
Diagonal
28465416.448453
Surface area
2430839800751526
Volume
8.1546933090448E+21
Space diagonal
34862872.807268
Perimeter
60384267
Area
1.7543075166509E+14
Altitude
17431436.403634
Surface area
1.7543075166509E+14
Volume
9.6103982288703E+20
Height
9488472.1494842