20146990 is an even 8-digits composite number following 20146989
and preceding 20146991 . In scientific notation, it is written as 2.0146990 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 7862080 positive integers (up to 20146990) that are relatively prime to 20146990.
20146990 has 8 divisors, whose sum is 30368520
The reverse of 20146990 is 09964102
Previous prime number is 205
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-six thousand nine hundred ninety
Scientific notation
2.0146990 × 10^7
Engineering notation
2.0146990 × 10^6
Prime Factorization
2 × 205 × 49139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20146990
Product of the distinct prime numbers
The prime factorization of 20146990 is 2 × 205 × 49139.
Since it has a total of 3 prime factors.
10 , 5 , 36 , 44 , 740 , 774 , 7365 , 5668 , 59555 , 88274 , 823199 , 453625 , 7882415 , 8566712 , 86718060 , 95724252 , 573158211 , 654294249 , 4931451998 , 6530130542
n×2
40293980
n×3
60440970
n×4
80587960
n×5
100734950
n÷2
10073495
n÷3
6715663.3333333
n÷3
5036747.5
n÷5
4029398
n2
405901206060100
n3
8.1776875394808E+21
n4
1.6475578908104E+29
n5
3.3193332350579E+36
2 √n
4488.5398516667
3 √n
272.10512624708
4 √n
66.99656596921
5 √n
28.896286472742
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20146989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20146990 can be divided by 8 positive divisors.
The sum of these divisors (counting 20146990) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110101100101110
3
Ternary
1101220120110211
4
Quaternary
1030312230232
5
Quinary
20124200430
6
Senary
1555453034
8
Octal
114665456
10
Decimal
20146990
12
Duodecimal
68b717a
16
Hexadecimal
1336b2e
20
Vigesimal
65i79a
36
Base36
bztim
md5
ecf8be06d7dd8f0689243f2a97b24c0d
sha1
e902e9498c91bd90c424f0506472af17e372d8ec
sha256
bfc8361c04874ab87bf5e564b862d2c17a4a123dd46a8376cd47db453d2dbc9a
sha512
f6b8d778a26eff59d7958db5ffb59df5491bdd3d1bb081d6030dff0514e3c6f2c67545c45e3ef2440765400990fd90e1de86e609b2ea57a02c5547cdd245e217
ripemd-160
c412ae1d02497b0259d503302e07d76a44c1b80b
Diameter
40293980
Circumference
126587271.55189
Area
1.2751762470416E+15
Volume
3.4254617463181E+22
Surface area
5.1007049881666E+15
Circumference
126587271.55189
Perimeter
80587960
Area
405901206060100
Diagonal
28492146.498995
Surface area
2435407236360600
Volume
8.1776875394808E+21
Space diagonal
34895610.299582
Perimeter
60440970
Area
1.7576037793739E+14
Altitude
17447805.149791
Surface area
1.7576037793739E+14
Volume
9.6374971893193E+20
Height
9497382.1663317