21032731 is an odd 8-digits prime number following 21032730
and preceding 21032732 . In scientific notation, it is written as 2.1032731 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 21032730 positive integers (up to 21032731) that are relatively prime to 21032731.
21032731 has 2 divisors, whose sum is 21032732
The reverse of 21032731 is 13723012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-two thousand seven hundred thirty-one
Scientific notation
2.1032731 × 10^7
Engineering notation
2.1032731 × 10^6
Prime Factorization
21032731
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21032731
Product of the distinct prime numbers
The prime factorization of 21032731 is 21032731.
Since it has a total of 1 prime factors.
10 , 3 , 65 , 6 , 513 , 275 , 765 , 3110 , 1511 , 64244 , 502744 , 235624 , 4713265 , 2230905 , 2141637 , 13822434 , 304628190 , 340559606 , 8037086033 , 8968115219
n×2
42065462
n×3
63098193
n×4
84130924
n×5
105163655
n÷2
10516365.5
n÷3
7010910.3333333
n÷3
5258182.75
n÷5
4206546.2
n2
442375773318361
n3
9.3043706411221E+21
n4
1.9569632481902E+29
n5
4.116028157607E+36
2 √n
4586.1455493693
3 √n
276.03568029231
4 √n
67.721086445577
5 √n
29.146011604726
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21032732
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10516366
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4586.1456583933
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049101
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21032731 can be divided by 2 positive divisors.
The sum of these divisors (counting 21032731) is 21032732, the average is 10516366.
Base
System
Value
2
Binary
1010000001110111100011011
3
Ternary
1110120120111001
4
Quaternary
1100032330123
5
Quinary
20341021411
6
Senary
2030445431
8
Octal
120167433
10
Decimal
21032731
12
Duodecimal
7063877
16
Hexadecimal
140ef1b
20
Vigesimal
6b91gb
36
Base36
cisyj
md5
549496497fb048eb70375fac8f57461f
sha1
db9cd3e0aa97f51304714d6d86b32be75019fbb0
sha256
8063e8fbb4c24302f384c8be02c69337c99e52b5ec5c61c09d7c0320d133c79c
sha512
6a518588f3a3cf4c529316006e23a4e9de3ebb301f33966a9b747ee3a95c84b84039bd211dbc6a3148c43227e94ebbdd7adcecdc237b8678c53f8adf50bf6da8
ripemd-160
941b3076c9d2bd89cfc953570f552958a80dbd8a
Diameter
42065462
Circumference
132152546.38906
Area
1.3897644795831E+15
Volume
3.8974056603234E+22
Surface area
5.5590579183323E+15
Circumference
132152546.38906
Perimeter
84130924
Area
442375773318361
Diagonal
29744773.433945
Surface area
2654254639910166
Volume
9.3043706411221E+21
Space diagonal
36429758.713929
Perimeter
63098193
Area
1.9155432885624E+14
Altitude
18214879.356964
Surface area
1.9155432885624E+14
Volume
1.0965305958351E+21
Height
9914924.4779817