20147661 is an odd 8-digits composite number following 20147660
and preceding 20147662 . In scientific notation, it is written as 2.0147661 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13325256 positive integers (up to 20147661) that are relatively prime to 20147661.
20147661 has 12 divisors, whose sum is 29332992
The reverse of 20147661 is 16674102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-seven thousand six hundred sixty-one
Scientific notation
2.0147661 × 10^7
Engineering notation
2.0147661 × 10^6
Prime Factorization
3 × 3 × 127 × 17627
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6715887
Product of the distinct prime numbers
The prime factorization of 20147661 is 3 × 3 × 127 × 17627.
Since it has a total of 4 prime factors.
2 , 7 , 48 , 68 , 572 , 953 , 584 , 1410 , 8772 , 22703 , 203357 , 293033 , 7798753 , 8408345 , 50254416 , 11068692 , 850197859 , 660432255 , 9962753284 , 3148478058
n×2
40295322
n×3
60442983
n×4
80590644
n×5
100738305
n÷2
10073830.5
n÷3
6715887
n÷3
5036915.25
n÷5
4029532.2
n2
405928243770921
n3
8.1785046458219E+21
n4
1.6477773909094E+29
n5
3.3198860275508E+36
2 √n
4488.6145969553
3 √n
272.1081470542
4 √n
66.99712379614
5 √n
28.896478949632
1 , 3 , 9 , 127 , 381 , 1143 , 17627 , 52881 , 158643 , 2238629 , 6715887 , 20147661
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20147660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147661 can be divided by 12 positive divisors.
The sum of these divisors (counting 20147661) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110110110111001101
3
Ternary
1101220121101200
4
Quaternary
1030312313031
5
Quinary
20124211121
6
Senary
1555500113
8
Octal
114666715
10
Decimal
20147661
12
Duodecimal
68b7639
16
Hexadecimal
1336dcd
20
Vigesimal
65i931
36
Base36
bzu19
md5
406a4f6e3cdc933960f8c1133981a36a
sha1
dfc74c12b2524f45f42e5a82d74c069402f89b6c
sha256
4e55b20bc709471ce85fa6c639f8d1ec12d45f7ebc8552ae1595eb7208924342
sha512
1ae90223e21511570cbbbc3c8a0efab52dad6dc5f3ffa8e5089c56bba9a76ef541fd76d08f20049f67f0c945d33fa329b13c6129ccb65d6f68bb9746a78dfdcd
ripemd-160
dee5fc758cd097f251cbcaffc335559fe997143a
Diameter
40295322
Circumference
126591487.56924
Area
1.2752611885153E+15
Volume
3.4258040150219E+22
Surface area
5.1010447540613E+15
Circumference
126591487.56924
Perimeter
80590644
Area
405928243770921
Diagonal
28493095.436295
Surface area
2435569462625526
Volume
8.1785046458219E+21
Space diagonal
34896772.505674
Perimeter
60442983
Area
1.7577208560961E+14
Altitude
17448386.252837
Surface area
1.7577208560961E+14
Volume
9.6384601583772E+20
Height
9497698.4787652