20147870 is an even 8-digits composite number following 20147869
and preceding 20147871 . In scientific notation, it is written as 2.0147870 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7975680 positive integers (up to 20147870) that are relatively prime to 20147870.
20147870 has 16 divisors, whose sum is 36641808
The reverse of 20147870 is 07874102
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-seven thousand eight hundred seventy
Scientific notation
2.0147870 × 10^7
Engineering notation
2.0147870 × 10^6
Prime Factorization
2 × 5 × 97 × 20771
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147870
Product of the distinct prime numbers
The prime factorization of 20147870 is 2 × 5 × 97 × 20771.
Since it has a total of 4 prime factors.
4 , 10 , 98 , 17 , 830 , 376 , 9571 , 5789 , 97862 , 68775 , 736643 , 819835 , 9143185 , 6150176 , 82607933 , 81280844 , 833228395 , 587982497 , 6314043481 , 6659972652
n×2
40295740
n×3
60443610
n×4
80591480
n×5
100739350
n÷2
10073935
n÷3
6715956.6666667
n÷3
5036967.5
n÷5
4029574
n2
405936665536900
n3
8.1787591654709E+21
n4
1.6478457642722E+29
n5
3.3200582238606E+36
2 √n
4488.6378780205
3 √n
272.10908794764
4 √n
66.997297542666
5 √n
28.896538900403
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 20771 , 41542 , 103855 , 207710 , 2014787 , 4029574 , 10073935 , 20147870
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
-20147869
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 20147870 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110111010011110
3
Ternary
1101220121200102
4
Quaternary
1030312322132
5
Quinary
20124212440
6
Senary
1555501102
8
Octal
114667236
10
Decimal
20147870
12
Duodecimal
68b7792
16
Hexadecimal
1336e9e
20
Vigesimal
65i9da
36
Base36
bzu72
md5
e816204f9fb3cb0e2971792c268ba337
sha1
4a1c4869c3731579bfe54f909cde5811aa4b1a22
sha256
a21ef0a4319c8d51709ed2c73d0999be84fa8f03d13b948e746effd8bb436d21
sha512
8fa209e4adee32abb48deb539152d8db655fa7a462035efafc29fe64e17d0b44630778b572d4a2438aa597a1dc3054b7dd6c1476f8f8430aa4dbb1b52cca6c34
ripemd-160
fb3753c70ab3b2adfceadde8f564c91a2d089ac8
Diameter
40295740
Circumference
126592800.75496
Area
1.2752876462735E+15
Volume
3.4259106279632E+22
Surface area
5.1011505850938E+15
Circumference
126592800.75496
Perimeter
80591480
Area
405936665536900
Diagonal
28493391.00693
Surface area
2435619993221400
Volume
8.1787591654709E+21
Space diagonal
34897134.504293
Perimeter
60443610
Area
1.7577573234125E+14
Altitude
17448567.252146
Surface area
1.7577573234125E+14
Volume
9.6387601126602E+20
Height
9497797.00231