20147491 is an odd 8-digits composite number following 20147490
and preceding 20147492 . In scientific notation, it is written as 2.0147491 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 15940800 positive integers (up to 20147491) that are relatively prime to 20147491.
20147491 has 8 divisors, whose sum is 24797024
The reverse of 20147491 is 19474102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-seven thousand four hundred ninety-one
Scientific notation
2.0147491 × 10^7
Engineering notation
2.0147491 × 10^6
Prime Factorization
7 × 13 × 221401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20147491
Product of the distinct prime numbers
The prime factorization of 20147491 is 7 × 13 × 221401.
Since it has a total of 3 prime factors.
7 , 4 , 72 , 22 , 114 , 831 , 6622 , 9775 , 33412 , 46002 , 629441 , 523411 , 4592648 , 4823476 , 29824986 , 51292522 , 424800082 , 391144576 , 1604542314 , 643556813
n×2
40294982
n×3
60442473
n×4
80589964
n×5
100737455
n÷2
10073745.5
n÷3
6715830.3333333
n÷3
5036872.75
n÷5
4029498.2
n2
405921393595081
n3
8.1782976241644E+21
n4
1.6477217777817E+29
n5
3.3197459688361E+36
2 √n
4488.5956601146
3 √n
272.10738172938
4 √n
66.996982470218
5 √n
28.89643018548
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
-20147490
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 20147491 can be divided by 8 positive divisors.
The sum of these divisors (counting 20147491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110110100100011
3
Ternary
1101220121011101
4
Quaternary
1030312310203
5
Quinary
20124204431
6
Senary
1555455231
8
Octal
114666443
10
Decimal
20147491
12
Duodecimal
68b7517
16
Hexadecimal
1336d23
20
Vigesimal
65i8eb
36
Base36
bztwj
md5
1e83ed8a6f504561d590f02200e51e64
sha1
25342845b97d3411236409ee968e59f95119b6fa
sha256
910dbc541b88ca16badd91de6a2074c27f8aeb715f813f6b218c4ccb8de1c683
sha512
0f46cd7ff958880966678c11da4779ccc42f58ee8f6fe0e73462166f1769869091e995727a846d0cb31c5ac9703e0cebc6225fbe1e931ec4a9ba4edf3edcf9be
ripemd-160
e4b342ecceeffcaff21c8287ff5fa9879025f28f
Diameter
40294982
Circumference
126590419.42773
Area
1.2752396680532E+15
Volume
3.4257172979927E+22
Surface area
5.1009586722129E+15
Circumference
126590419.42773
Perimeter
80589964
Area
405921393595081
Diagonal
28492855.01999
Surface area
2435528361570486
Volume
8.1782976241644E+21
Space diagonal
34896478.057037
Perimeter
60442473
Area
1.7576911939646E+14
Altitude
17448239.028518
Surface area
1.7576911939646E+14
Volume
9.6382161810141E+20
Height
9497618.3399966