20921263 is an odd 8-digits composite number following 20921262
and preceding 20921264 . In scientific notation, it is written as 2.0921263 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 18572400 positive integers (up to 20921263) that are relatively prime to 20921263.
20921263 has 12 divisors, whose sum is 23536744
The reverse of 20921263 is 36212902
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million nine hundred twenty-one thousand two hundred sixty-three
Scientific notation
2.0921263 × 10^7
Engineering notation
2.0921263 × 10^6
Prime Factorization
11 × 11 × 43 × 4021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1901933
Product of the distinct prime numbers
The prime factorization of 20921263 is 11 × 11 × 43 × 4021.
Since it has a total of 4 prime factors.
1 , 9 , 41 , 98 , 205 , 500 , 6881 , 5029 , 57715 , 70701 , 163455 , 549066 , 3779415 , 3711170 , 61436123 , 87534839 , 663452816 , 645362146 , 1630500320 , 6788225086
n×2
41842526
n×3
62763789
n×4
83685052
n×5
104606315
n÷2
10460631.5
n÷3
6973754.3333333
n÷3
5230315.75
n÷5
4184252.6
n2
437699245515169
n3
9.1572210303244E+21
n4
1.9158062952455E+29
n5
4.0081087359886E+36
2 √n
4573.9767161629
3 √n
275.54717720676
4 √n
67.631181537534
5 √n
29.115052650112
1 , 11 , 43 , 121 , 473 , 4021 , 5203 , 44231 , 172903 , 486541 , 1901933 , 20921263
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921262
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921263 can be divided by 12 positive divisors.
The sum of these divisors (counting 20921263) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111110011101110101111
3
Ternary
1110100220120121
4
Quaternary
1033303232233
5
Quinary
20323440023
6
Senary
2024225411
8
Octal
117635657
10
Decimal
20921263
12
Duodecimal
700b267
16
Hexadecimal
13f3baf
20
Vigesimal
6af333
36
Base36
cgey7
md5
aff720491e695a736696df850f2b2a00
sha1
57ebe7442b45a8c5e302d66b07e023188f7764af
sha256
cbfadf9bfed6d4c45e62847387611fc057b3656df70655c38312a5893719bdc8
sha512
5e523fe70d54c84a0eb64af8344709dd4a967ab70dbb713afea99ff7de980fc382f6fa580342b7be88977c8d9bddd395b5c1e83c9e1dbe581377e4ba56ef4bfc
ripemd-160
cd49425675b06d3c95becbcbc2b9883d832d394c
Diameter
41842526
Circumference
131452172.28924
Area
1.3750727341923E+15
Volume
3.8357677754887E+22
Surface area
5.500290936769E+15
Circumference
131452172.28924
Perimeter
83685052
Area
437699245515169
Diagonal
29587133.876574
Surface area
2626195473091014
Volume
9.1572210303244E+21
Space diagonal
36236690.474511
Perimeter
62763789
Area
1.8952933291671E+14
Altitude
18118345.237255
Surface area
1.8952933291671E+14
Volume
1.0791888478944E+21
Height
9862377.9588581