20147391 is an odd 8-digits composite number following 20147390
and preceding 20147392 . In scientific notation, it is written as 2.0147391 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 11566800 positive integers (up to 20147391) that are relatively prime to 20147391.
20147391 has 24 divisors, whose sum is 33421440
The reverse of 20147391 is 19374102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-seven thousand three hundred ninety-one
Scientific notation
2.0147391 × 10^7
Engineering notation
2.0147391 × 10^6
Prime Factorization
3 × 3 × 19 × 11 × 10711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6715797
Product of the distinct prime numbers
The prime factorization of 20147391 is 3 × 3 × 19 × 11 × 10711.
Since it has a total of 5 prime factors.
8 , 5 , 2 , 8 , 660 , 832 , 5991 , 6256 , 67073 , 25325 , 610762 , 100547 , 7312580 , 3746131 , 98984981 , 83593959 , 720844858 , 660985541 , 4488858811 , 165766175
n×2
40294782
n×3
60442173
n×4
80589564
n×5
100736955
n÷2
10073695.5
n÷3
6715797
n÷3
5036847.75
n÷5
4029478.2
n2
405917364106881
n3
8.1781758483507E+21
n4
1.6476890648348E+29
n5
3.3196635835651E+36
2 √n
4488.5845207593
3 √n
272.1069315363
4 √n
66.996899336904
5 √n
28.896401500531
1 , 3 , 9 , 11 , 19 , 33 , 57 , 99 , 171 , 209 , 627 , 1881 , 10711 , 32133 , 96399 , 117821 , 203509 , 353463 , 610527 , 1060389 , 1831581 , 2238599 , 6715797 , 20147391
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20147390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147391 can be divided by 24 positive divisors.
The sum of these divisors (counting 20147391) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110110010111111
3
Ternary
1101220121000200
4
Quaternary
1030312302333
5
Quinary
20124204031
6
Senary
1555454543
8
Octal
114666277
10
Decimal
20147391
12
Duodecimal
68b7453
16
Hexadecimal
1336cbf
20
Vigesimal
65i89b
36
Base36
bzttr
md5
bfbdfc3cf9b99f26dfd709e24061ad6e
sha1
a55744a72e9f957f66c31eedba7cd9aa667b0c85
sha256
dfe697f180ff67322d678a1e81e5b71bf448630b9e9acf8f5e8f8571f39718c8
sha512
71fab35b35d11efdafbc7cd97844875d39d924f2a648dad1ac4db38f1e1eb94744e4c32ab91d592969d418e8787bfc47fef5b0d35b9c3afcbc834ffcfe4bd09d
ripemd-160
6f46bcc04b806f8e52c4dbf0c730a8145a3f6861
Diameter
40294782
Circumference
126589791.1092
Area
1.2752270090427E+15
Volume
3.4256662886592E+22
Surface area
5.1009080361708E+15
Circumference
126589791.1092
Perimeter
80589564
Area
405917364106881
Diagonal
28492713.598634
Surface area
2435504184641286
Volume
8.1781758483507E+21
Space diagonal
34896304.851956
Perimeter
60442173
Area
1.7576737457689E+14
Altitude
17448152.425978
Surface area
1.7576737457689E+14
Volume
9.6380726668414E+20
Height
9497571.1995445