20146640 is an even 8-digits composite number following 20146639
and preceding 20146641 . In scientific notation, it is written as 2.0146640 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 8058624 positive integers (up to 20146640) that are relatively prime to 20146640.
20146640 has 20 divisors, whose sum is 46841124
The reverse of 20146640 is 04664102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-six thousand six hundred forty
Scientific notation
2.0146640 × 10^7
Engineering notation
2.0146640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 251833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2518330
Product of the distinct prime numbers
The prime factorization of 20146640 is 2 × 2 × 2 × 2 × 5 × 251833.
Since it has a total of 6 prime factors.
5 , 5 , 30 , 3 , 117 , 974 , 9398 , 5134 , 55946 , 19030 , 174329 , 364595 , 1767657 , 4016821 , 88732459 , 868960 , 793692611 , 325661096 , 4701077783 , 4009674109
n×2
40293280
n×3
60439920
n×4
80586560
n×5
100733200
n÷2
10073320
n÷3
6715546.6666667
n÷3
5036660
n÷5
4029328
n2
405887103289600
n3
8.1772613506184E+21
n4
1.6474434061682E+29
n5
3.3190449224445E+36
2 √n
4488.5008633173
3 √n
272.10355053865
4 √n
66.996274995833
5 √n
28.896186072925
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 251833 , 503666 , 1007332 , 1259165 , 2014664 , 2518330 , 4029328 , 5036660 , 10073320 , 20146640
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20146639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20146640 can be divided by 20 positive divisors.
The sum of these divisors (counting 20146640) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110110100111010000
3
Ternary
1101220112222212
4
Quaternary
1030312213100
5
Quinary
20124143030
6
Senary
1555451252
8
Octal
114664720
10
Decimal
20146640
12
Duodecimal
68b6b28
16
Hexadecimal
13369d0
20
Vigesimal
65i6c0
36
Base36
bzt8w
md5
d83be606ef237c55b5dd7678967ae8a5
sha1
e2514b0948159615ee3b722531b5c830e279ad01
sha256
f8dd93482618cb7a4bb264e5a16e047aef34407c8dc7fa48b353ca622ad6a9de
sha512
a9b4c94b54ab2bd021ccfb5023a1715564fe56c8c3497aaf4315d488e83944645305efd23fd79f8391e9c04cfad9148ffcc0f94cf8f5bbdd86ce31ff090d22e6
ripemd-160
c690205ae0778e3c4e35e53524350712389a5361
Diameter
40293280
Circumference
126585072.43704
Area
1.2751319418814E+15
Volume
3.4252832247449E+22
Surface area
5.1005277675258E+15
Circumference
126585072.43704
Perimeter
80586560
Area
405887103289600
Diagonal
28491651.524248
Surface area
2435322619737600
Volume
8.1772613506184E+21
Space diagonal
34895004.081799
Perimeter
60439920
Area
1.7575427125864E+14
Altitude
17447502.0409
Surface area
1.7575427125864E+14
Volume
9.6369949209282E+20
Height
9497217.1747494