20147890 is an even 8-digits composite number following 20147889
and preceding 20147891 . In scientific notation, it is written as 2.0147890 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 6501120 positive integers (up to 20147890) that are relatively prime to 20147890.
20147890 has 16 divisors, whose sum is 36573120
The reverse of 20147890 is 09874102
Previous prime number is 119
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-seven thousand eight hundred ninety
Scientific notation
2.0147890 × 10^7
Engineering notation
2.0147890 × 10^6
Prime Factorization
2 × 5 × 119 × 16931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147890
Product of the distinct prime numbers
The prime factorization of 20147890 is 2 × 5 × 119 × 16931.
Since it has a total of 4 prime factors.
6 , 9 , 25 , 97 , 476 , 435 , 4889 , 8235 , 45771 , 97992 , 739747 , 624205 , 4639029 , 2203235 , 34981393 , 93304992 , 704503363 , 931661295 , 7327149834 , 4712213238
n×2
40295780
n×3
60443670
n×4
80591560
n×5
100739450
n÷2
10073945
n÷3
6715963.3333333
n÷3
5036972.5
n÷5
4029578
n2
405937471452100
n3
8.1787835216951E+21
n4
1.6478523072892E+29
n5
3.320074702351E+36
2 √n
4488.6401058673
3 √n
272.10917798495
4 √n
66.997314169056
5 √n
28.896544637293
1 , 2 , 5 , 10 , 119 , 238 , 595 , 1190 , 16931 , 33862 , 84655 , 169310 , 2014789 , 4029578 , 10073945 , 20147890
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
-20147889
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 20147890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110111010110010
3
Ternary
1101220121201011
4
Quaternary
1030312322302
5
Quinary
20124213030
6
Senary
1555501134
8
Octal
114667262
10
Decimal
20147890
12
Duodecimal
68b77aa
16
Hexadecimal
1336eb2
20
Vigesimal
65i9ea
36
Base36
bzu7m
md5
bdbcaba0f238f68fb8afebe1791294a9
sha1
766d5f59e4ae626dbdfbfe90419ecb97b7404682
sha256
023449a4b212426995a4d73c789f1605b7e17293cec591365722f7a78eae3c43
sha512
ed07fcfb28eef8cd82e24111b1124c736ece8b59d73a781d87640d83e34fe7d4afb9bad085bb761fa31c2f8e70ea949ee674b7691841565b7b5f75089e5426e0
ripemd-160
0aebd38db3b44070b52486bfd78a72df61002a93
Diameter
40295780
Circumference
126592926.41867
Area
1.2752901781307E+15
Volume
3.4259208302745E+22
Surface area
5.1011607125229E+15
Circumference
126592926.41867
Perimeter
80591560
Area
405937471452100
Diagonal
28493419.291201
Surface area
2435624828712600
Volume
8.1787835216951E+21
Space diagonal
34897169.145309
Perimeter
60443670
Area
1.7577608131277E+14
Altitude
17448584.572654
Surface area
1.7577608131277E+14
Volume
9.6387888167456E+20
Height
9497806.4304004