20987046 is an even 8-digits composite number following 20987045
and preceding 20987047 . In scientific notation, it is written as 2.0987046 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6862752 positive integers (up to 20987046) that are relatively prime to 20987046.
20987046 has 16 divisors, whose sum is 33267024
The reverse of 20987046 is 64078902
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred eighty-seven thousand forty-six
Scientific notation
2.0987046 × 10^7
Engineering notation
2.0987046 × 10^6
Prime Factorization
2 × 53 × 27 × 7333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20987046
Product of the distinct prime numbers
The prime factorization of 20987046 is 2 × 53 × 27 × 7333.
Since it has a total of 4 prime factors.
4 , 4 , 7 , 16 , 205 , 88 , 7485 , 9214 , 76239 , 99858 , 90228 , 12167 , 9107689 , 8659074 , 34652460 , 24708459 , 243770765 , 929338524 , 5182654590 , 4665870149
n×2
41974092
n×3
62961138
n×4
83948184
n×5
104935230
n÷2
10493523
n÷3
6995682
n÷3
5246761.5
n÷5
4197409.2
n2
440456099806116
n3
9.2438724276115E+21
n4
1.9400157585642E+29
n5
4.0715199965711E+36
2 √n
4581.1620796475
3 √n
275.83567723344
4 √n
67.684282367825
5 √n
29.133339033231
1 , 2 , 27 , 53 , 54 , 106 , 1431 , 2862 , 7333 , 14666 , 197991 , 388649 , 395982 , 777298 , 10493523 , 20987046
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
-20987045
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 20987046 can be divided by 16 positive divisors.
The sum of these divisors (counting 20987046) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000011110010100110
3
Ternary
1110111020211000
4
Quaternary
1100003302212
5
Quinary
20333041141
6
Senary
2025454130
8
Octal
120036246
10
Decimal
20987046
12
Duodecimal
7041346
16
Hexadecimal
1403ca6
20
Vigesimal
6b37c6
36
Base36
chtpi
md5
43633daf61c81ea999c2c873b40f85b9
sha1
6ce5940e165763434f780a5f119c072865487e4a
sha256
25ed4161d9309dd60b25ec75eb12a6bc21f4a1e399c7ce484294bb7413b47173
sha512
9b3417dc97680233e08e659c0165dad6582db9c6a23c0819516060d8489587fcd57cff5c878bced68cd3221ed3603b57bd6e4a2417da9372797fa66cf297647c
ripemd-160
a40912f9d16bf9352e678ec52f1f6c5db35eba22
Diameter
41974092
Circumference
131865499.0683
Area
1.3837336473797E+15
Volume
3.8720642279074E+22
Surface area
5.5349345895188E+15
Circumference
131865499.0683
Perimeter
83948184
Area
440456099806116
Diagonal
29680165.087348
Surface area
2642736598836696
Volume
9.2438724276115E+21
Space diagonal
36350629.972785
Perimeter
62961138
Area
1.9072308584196E+14
Altitude
18175314.986393
Surface area
1.9072308584196E+14
Volume
1.0894008129979E+21
Height
9893388.3624493