20001947 is an odd 8-digits composite number following 20001946
and preceding 20001948 . In scientific notation, it is written as 2.0001947 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors.
There are 17144484 positive integers (up to 20001947) that are relatively prime to 20001947.
20001947 has 6 divisors, whose sum is 23267628
The reverse of 20001947 is 74910002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one thousand nine hundred forty-seven
Scientific notation
2.0001947 × 10^7
Engineering notation
2.0001947 × 10^6
Prime Factorization
7 × 7 × 408203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2857421
Product of the distinct prime numbers
The prime factorization of 20001947 is 7 × 7 × 408203.
Since it has a total of 3 prime factors.
5 , 10 , 42 , 5 , 213 , 681 , 8255 , 1774 , 49259 , 73457 , 593609 , 488224 , 6393166 , 8846049 , 20415832 , 6926528 , 321673704 , 195148456 , 281338915 , 5476058029
n×2
40003894
n×3
60005841
n×4
80007788
n×5
100009735
n÷2
10000973.5
n÷3
6667315.6666667
n÷3
5000486.75
n÷5
4000389.4
n2
400077883790809
n3
8.0023366274559E+21
n4
1.6006231309853E+29
n5
3.2015579032942E+36
2 √n
4472.3536309196
3 √n
271.45056965884
4 √n
66.875657984947
5 √n
28.854559883613
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20001946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20001947 can be divided by 6 positive divisors.
The sum of these divisors (counting 20001947) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100010011010010011011
3
Ternary
1101122012111212
4
Quaternary
1030103102123
5
Quinary
20110030242
6
Senary
1552413335
8
Octal
114232233
10
Decimal
20001947
12
Duodecimal
684724b
16
Hexadecimal
131349b
20
Vigesimal
6504h7
36
Base36
bwpln
md5
92e7559904c77ecf794a3b135b036f74
sha1
e4f09d75cb1a3c4098e918d51a2a0a618e7f198a
sha256
ce9edc5b88cdccdfcec95a5e2f804cfef008cfeae060b41ac80a34c8884b2082
sha512
167095d35735577d4cdb869e28725294584a983765b6935ed93ea28b1a9be5c4df5a20629d9640ecf07aeb3bc262c8dcacb6b3a886597b01cd9e3c5811294d3b
ripemd-160
e8e7cf547065a1a298f9aab952ee22ee4e89974f
Diameter
40003894
Circumference
125675939.50538
Area
1.256881740581E+15
Volume
3.3520109280491E+22
Surface area
5.0275269623238E+15
Circumference
125675939.50538
Perimeter
80007788
Area
400077883790809
Diagonal
28287024.721268
Surface area
2400467302744854
Volume
8.0023366274559E+21
Space diagonal
34644388.4543
Perimeter
60005841
Area
1.7323880542758E+14
Altitude
17322194.22715
Surface area
1.7323880542758E+14
Volume
9.4308441576859E+20
Height
9429008.2404226