20147986 is an even 8-digits composite number following 20147985
and preceding 20147987 . In scientific notation, it is written as 2.0147986 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10073992 positive integers (up to 20147986) that are relatively prime to 20147986.
20147986 has 4 divisors, whose sum is 30221982
The reverse of 20147986 is 68974102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred forty-seven thousand nine hundred eighty-six
Scientific notation
2.0147986 × 10^7
Engineering notation
2.0147986 × 10^6
Prime Factorization
2 × 10073993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20147986
Product of the distinct prime numbers
The prime factorization of 20147986 is 2 × 10073993.
Since it has a total of 2 prime factors.
8 , 2 , 26 , 59 , 860 , 927 , 4120 , 6817 , 20060 , 19235 , 83812 , 226669 , 6854426 , 8723785 , 39043771 , 73344545 , 887373066 , 211591740 , 8110685780 , 4376425297
n×2
40295972
n×3
60443958
n×4
80591944
n×5
100739930
n÷2
10073993
n÷3
6715995.3333333
n÷3
5036996.5
n÷5
4029597.2
n2
405941339856196
n3
8.1789004322439E+21
n4
1.6478837140424E+29
n5
3.3201538000155E+36
2 √n
4488.6507995165
3 √n
272.1096101632
4 √n
66.997393975561
5 √n
28.8965721743
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
-20147985
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 20147986 can be divided by 4 positive divisors.
The sum of these divisors (counting 20147986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110111100010010
3
Ternary
1101220121211201
4
Quaternary
1030312330102
5
Quinary
20124213421
6
Senary
1555501414
8
Octal
114667422
10
Decimal
20147986
12
Duodecimal
68b786a
16
Hexadecimal
1336f12
20
Vigesimal
65i9j6
36
Base36
bzuaa
md5
eb03c954d4c3706c17de95ccad34c63b
sha1
9404817696fb79ef8fb1086d02f1f5caa0bbf75e
sha256
14387980cbcd165c22efa19878307e2228cc77c2fe5c2d88465f288540fde726
sha512
6a78c0602a34da7aa7b86038384f6ac3a51aa87d9fa2d1adbea91668efbab94276ed773468c16bcd68a88e51a49445ac4c3c533a75621567310705eb0ee485bf
ripemd-160
3d91ecaccfe5e90d0b176418c8e41bdab3117cfe
Diameter
40295972
Circumference
126593529.60446
Area
1.2753023310806E+15
Volume
3.4259698016506E+22
Surface area
5.1012093243225E+15
Circumference
126593529.60446
Perimeter
80591944
Area
405941339856196
Diagonal
28493555.055703
Surface area
2435648039137176
Volume
8.1789004322439E+21
Space diagonal
34897335.422186
Perimeter
60443958
Area
1.7577775638088E+14
Altitude
17448667.711093
Surface area
1.7577775638088E+14
Volume
9.6389265971487E+20
Height
9497851.6852344