20172870 is an even 8-digits composite number following 20172869
and preceding 20172871 . In scientific notation, it is written as 2.0172870 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 4968000 positive integers (up to 20172870) that are relatively prime to 20172870.
20172870 has 32 divisors, whose sum is 33384960
The reverse of 20172870 is 07827102
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred seventy-two thousand eight hundred seventy
Scientific notation
2.0172870 × 10^7
Engineering notation
2.0172870 × 10^6
Prime Factorization
2 × 45 × 19 × 251 × 47
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20172870
Product of the distinct prime numbers
The prime factorization of 20172870 is 2 × 45 × 19 × 251 × 47.
Since it has a total of 5 prime factors.
9 , 3 , 92 , 88 , 208 , 484 , 27 , 4024 , 72949 , 94185 , 504020 , 544016 , 2246789 , 6914179 , 47018725 , 88060679 , 199743258 , 485877674 , 2905712570 , 8392419753
n×2
40345740
n×3
60518610
n×4
80691480
n×5
100864350
n÷2
10086435
n÷3
6724290
n÷3
5043217.5
n÷5
4034574
n2
406944684036900
n3
8.2092422082675E+21
n4
1.6560397586589E+29
n5
3.3407074766258E+36
2 √n
4491.4218238772
3 √n
272.22158810224
4 √n
67.018070875527
5 √n
28.903706458894
1 , 2 , 19 , 38 , 45 , 47 , 90 , 94 , 251 , 502 , 855 , 893 , 1710 , 1786 , 2115 , 4230 , 4769 , 9538 , 11295 , 11797 , 22590 , 23594 , 40185 , 80370 , 214605 , 224143 , 429210 , 448286 , 530865 , 1061730 , 10086435 , 20172870
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
-20172869
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 20172870 can be divided by 32 positive divisors.
The sum of these divisors (counting 20172870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111101000001000110
3
Ternary
1101221212222100
4
Quaternary
1030331001012
5
Quinary
20131012440
6
Senary
2000212530
8
Octal
114750106
10
Decimal
20172870
12
Duodecimal
690a146
16
Hexadecimal
133d046
20
Vigesimal
661c3a
36
Base36
c0dhi
md5
75e627c70bf2afe97edceba144c6bf0d
sha1
093c0a78d6d61082a5edea8a96a7f1d02fbea9cf
sha256
814817f8074dc2628561f04f3ff9d52b3c983e600387fdb5fda3e2d181fc792e
sha512
b04eb338dfaa01b5606eb53faee2702857bd0d1e3b0038c49c0cf19d14fe8a4d8fc639b63ad553def87a0912cb75868506480fe49e00065ecbfc6376c88e5696
ripemd-160
8392af59037b45af721d659aab2ece12b1c857cf
Diameter
40345740
Circumference
126749880.38764
Area
1.2784544297877E+15
Volume
3.438679335071E+22
Surface area
5.113817719151E+15
Circumference
126749880.38764
Perimeter
80691480
Area
406944684036900
Diagonal
28528746.345989
Surface area
2441668104221400
Volume
8.2092422082675E+21
Space diagonal
34940435.774482
Perimeter
60518610
Area
1.7621221715549E+14
Altitude
17470217.887241
Surface area
1.7621221715549E+14
Volume
9.6746847231146E+20
Height
9509582.1153298