21031777 is an odd 8-digits composite number following 21031776
and preceding 21031778 . In scientific notation, it is written as 2.1031777 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19325712 positive integers (up to 21031777) that are relatively prime to 21031777.
21031777 has 8 divisors, whose sum is 22752576
The reverse of 21031777 is 77713012
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-one thousand seven hundred seventy-seven
Scientific notation
2.1031777 × 10^7
Engineering notation
2.1031777 × 10^6
Prime Factorization
13 × 227 × 7127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031777
Product of the distinct prime numbers
The prime factorization of 21031777 is 13 × 227 × 7127.
Since it has a total of 3 prime factors.
1 , 9 , 99 , 61 , 995 , 155 , 4987 , 2575 , 54334 , 97165 , 274878 , 720551 , 8831141 , 6367576 , 80850258 , 42055375 , 868509872 , 117427537 , 6360197983 , 8019154541
n×2
42063554
n×3
63095331
n×4
84127108
n×5
105158885
n÷2
10515888.5
n÷3
7010592.3333333
n÷3
5257944.25
n÷5
4206355.4
n2
442335643777729
n3
9.3031046190846E+21
n4
1.9566082175626E+29
n5
4.1150947708144E+36
2 √n
4586.0415392798
3 √n
276.03150676518
4 √n
67.720318511358
5 √n
29.145747199694
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031776
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031777 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031777) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101101100001
3
Ternary
1110120112011201
4
Quaternary
1100032231201
5
Quinary
20341004102
6
Senary
2030441201
8
Octal
120165541
10
Decimal
21031777
12
Duodecimal
7063201
16
Hexadecimal
140eb61
20
Vigesimal
6b8j8h
36
Base36
cis81
md5
1677a6a0df917d20b3a1618bd235f49e
sha1
2ba684c6a7a3f1c00dd5ef49f2f3091e5f872be1
sha256
aa9279d0104db1723e2ea8cf196c82e1934822f8f025bc7f4f507eb13268e5a5
sha512
277ceee9cc801e628dd684643a78fbe802fd9436693c7aedf06536107573febfa6298b5b418102834e5e463a3c2064ee37b34ca95f8f3fb52fe81e2f36fdccf5
ripemd-160
da556220a7f5ae4ab24cc081701acbd06dbe1434
Diameter
42063554
Circumference
132146552.23028
Area
1.389638408913E+15
Volume
3.8968753502525E+22
Surface area
5.5585536356521E+15
Circumference
132146552.23028
Perimeter
84127108
Area
442335643777729
Diagonal
29743424.274207
Surface area
2654013862666374
Volume
9.3031046190846E+21
Space diagonal
36428106.337459
Perimeter
63095331
Area
1.9153695225543E+14
Altitude
18214053.168729
Surface area
1.9153695225543E+14
Volume
1.0963813937071E+21
Height
9914474.7580688