21293381 is an odd 8-digits composite number following 21293380
and preceding 21293382 . In scientific notation, it is written as 2.1293381 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21104832 positive integers (up to 21293381) that are relatively prime to 21293381.
21293381 has 4 divisors, whose sum is 21481932
The reverse of 21293381 is 18339212
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred ninety-three thousand three hundred eighty-one
Scientific notation
2.1293381 × 10^7
Engineering notation
2.1293381 × 10^6
Prime Factorization
113 × 188437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21293381
Product of the distinct prime numbers
The prime factorization of 21293381 is 113 × 188437.
Since it has a total of 2 prime factors.
10 , 3 , 38 , 92 , 506 , 776 , 9269 , 5707 , 95323 , 83562 , 549988 , 475863 , 2125624 , 727592 , 13245632 , 41841674 , 590741592 , 803588437 , 3025436040 , 5494455427
n×2
42586762
n×3
63880143
n×4
85173524
n×5
106466905
n÷2
10646690.5
n÷3
7097793.6666667
n÷3
5323345.25
n÷5
4258676.2
n2
453408074411161
n3
9.6545908769132E+21
n4
2.0557888194124E+29
n5
4.3774694587288E+36
2 √n
4614.4751597554
3 √n
277.17126779331
4 √n
67.929928306715
5 √n
29.217895064683
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
-21293380
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 21293381 can be divided by 4 positive divisors.
The sum of these divisors (counting 21293381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001110100101000101
3
Ternary
1111001211000202
4
Quaternary
1101032211011
5
Quinary
20422342011
6
Senary
2040220245
8
Octal
121164505
10
Decimal
21293381
12
Duodecimal
716a685
16
Hexadecimal
144e945
20
Vigesimal
6d1d91
36
Base36
coe2t
md5
929f6f1f87bfd0cf565355ed8ed58fda
sha1
729e9758768fa8099f6439c049ca218c8b0b2647
sha256
97205e9f4f7a81ad833301d532cf5386a01aea5e08367625e0d8845c4099cf70
sha512
5955f0bab9f2cbd245cd454d860a7f8e4057c2778e4263cb6d52a1994cdc7a4d188cccae21e43411b726be41737faf795406f4fb4104728b12e28dfcdaed78ff
ripemd-160
f5f0f3f9fb18fca17a13233d3b7d6f3c8129528d
Diameter
42586762
Circumference
133790258.63938
Area
1.4244234756484E+15
Volume
4.0441055696434E+22
Surface area
5.6976939025936E+15
Circumference
133790258.63938
Perimeter
85173524
Area
453408074411161
Diagonal
30113388.198978
Surface area
2720448446466966
Volume
9.6545908769132E+21
Space diagonal
36881217.756922
Perimeter
63880143
Area
1.9633145536053E+14
Altitude
18440608.878461
Surface area
1.9633145536053E+14
Volume
1.1378044464412E+21
Height
10037796.066326