21105763 is an odd 8-digits composite number following 21105762
and preceding 21105764 . In scientific notation, it is written as 2.1105763 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 18090648 positive integers (up to 21105763) that are relatively prime to 21105763.
21105763 has 4 divisors, whose sum is 24120880
The reverse of 21105763 is 36750112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred five thousand seven hundred sixty-three
Scientific notation
2.1105763 × 10^7
Engineering notation
2.1105763 × 10^6
Prime Factorization
7 × 3015109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21105763
Product of the distinct prime numbers
The prime factorization of 21105763 is 7 × 3015109.
Since it has a total of 2 prime factors.
9 , 1 , 49 , 55 , 181 , 426 , 1124 , 426 , 67012 , 14927 , 113890 , 319063 , 2986415 , 8015309 , 16013862 , 62525666 , 831411441 , 448425974 , 5529846568 , 7635234310
n×2
42211526
n×3
63317289
n×4
84423052
n×5
105528815
n÷2
10552881.5
n÷3
7035254.3333333
n÷3
5276440.75
n÷5
4221152.6
n2
445453231812169
n3
9.4016303382117E+21
n4
1.9842858173191E+29
n5
4.1879866184597E+36
2 √n
4594.1008913606
3 √n
276.35480431999
4 √n
67.779797073764
5 √n
29.166224302912
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105762
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105763 can be divided by 4 positive divisors.
The sum of these divisors (counting 21105763) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100000110001100011
3
Ternary
1110201021122221
4
Quaternary
1100200301203
5
Quinary
20400341023
6
Senary
2032211511
8
Octal
120406143
10
Decimal
21105763
12
Duodecimal
7099b97
16
Hexadecimal
1420c63
20
Vigesimal
6bi483
36
Base36
ckdb7
md5
01ee7fdf87c720833114930c48703c74
sha1
0613c1edefbdac81f27ea5389d29c6e453b86cc7
sha256
ce2fb572b7e491035591334a3d2c9a473059df310856584e030832849bbb15ab
sha512
bb34ef7450ab5fdd444450c46884d3c97bf70a473b30beac541e0671a5a67a80deaca79f174f084df1626f33a425ca3d7c91425aa2e74dfc967c81c820a306c1
ripemd-160
8f02b9850b7e3702164937cd703663dfd4467a51
Diameter
42211526
Circumference
132611419.97841
Area
1.3994326005789E+15
Volume
3.9381457069724E+22
Surface area
5.5977304023158E+15
Circumference
132611419.97841
Perimeter
84423052
Area
445453231812169
Diagonal
29848056.278832
Surface area
2672719390873014
Volume
9.4016303382117E+21
Space diagonal
36556253.848507
Perimeter
63317289
Area
1.9288690747361E+14
Altitude
18278126.924254
Surface area
1.9288690747361E+14
Volume
1.1079927610598E+21
Height
9949352.0929441