20047731 is an odd 8-digits composite number following 20047730
and preceding 20047732 . In scientific notation, it is written as 2.0047731 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11757600 positive integers (up to 20047731) that are relatively prime to 20047731.
20047731 has 16 divisors, whose sum is 30102528
The reverse of 20047731 is 13774002
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million forty-seven thousand seven hundred thirty-one
Scientific notation
2.0047731 × 10^7
Engineering notation
2.0047731 × 10^6
Prime Factorization
31 × 3 × 11 × 19597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20047731
Product of the distinct prime numbers
The prime factorization of 20047731 is 31 × 3 × 11 × 19597.
Since it has a total of 4 prime factors.
7 , 8 , 64 , 68 , 448 , 384 , 942 , 3596 , 543 , 34328 , 140205 , 643387 , 1561208 , 7776183 , 7909503 , 17684106 , 434132030 , 783862590 , 9050986492 , 9468320457
n×2
40095462
n×3
60143193
n×4
80190924
n×5
100238655
n÷2
10023865.5
n÷3
6682577
n÷3
5011932.75
n÷5
4009546.2
n2
401911518248361
n3
8.0574140036447E+21
n4
1.615328685007E+29
n5
3.2383674953605E+36
2 √n
4477.4692628761
3 √n
271.65752655127
4 √n
66.913894393288
5 √n
28.867757291466
1 , 3 , 11 , 31 , 33 , 93 , 341 , 1023 , 19597 , 58791 , 215567 , 607507 , 646701 , 1822521 , 6682577 , 20047731
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20047730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20047731 can be divided by 16 positive divisors.
The sum of these divisors (counting 20047731) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011110011101110011
3
Ternary
1101201112022120
4
Quaternary
1030132131303
5
Quinary
20113011411
6
Senary
1553405323
8
Octal
114363563
10
Decimal
20047731
12
Duodecimal
6869843
16
Hexadecimal
131e773
20
Vigesimal
655j6b
36
Base36
bxoxf
md5
7435cf559c17c3186466ea2702c3e340
sha1
606e85f7f42c53049ef67b06a17484f30c4da1ba
sha256
ccc878a3d86314a72a3641301fe14325c9ae89268b22ee874fffc37fb28ac973
sha512
d0ea5097c82879215d8f9c1bd8a8099d61da2e0f3f94adee7a5f30a8f767783db46eb399778709f4d4f0090ce94418ce2019034a3430c5b6f5725b6f7e294b3e
ripemd-160
59384f3dba5951f35cf6c5449d8f7445f97af7fa
Diameter
40095462
Circumference
125963608.86149
Area
1.2626422731222E+15
Volume
3.3750816854376E+22
Surface area
5.0505690924887E+15
Circumference
125963608.86149
Perimeter
80190924
Area
401911518248361
Diagonal
28351773.075008
Surface area
2411469109490166
Volume
8.0574140036447E+21
Space diagonal
34723688.668474
Perimeter
60143193
Area
1.7403279243833E+14
Altitude
17361844.334237
Surface area
1.7403279243833E+14
Volume
9.4957534680077E+20
Height
9450591.0250025