21932391 is an odd 8-digits composite number following 21932390
and preceding 21932392 . In scientific notation, it is written as 2.1932391 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13448160 positive integers (up to 21932391) that are relatively prime to 21932391.
21932391 has 8 divisors, whose sum is 22576000
The reverse of 21932391 is 19323912
Previous prime number is 1699
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million nine hundred thirty-two thousand three hundred ninety-one
Scientific notation
2.1932391 × 10^7
Engineering notation
2.1932391 × 10^6
Prime Factorization
39 × 1699 × 331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21932391
Product of the distinct prime numbers
The prime factorization of 21932391 is 39 × 1699 × 331.
Since it has a total of 3 prime factors.
8 , 9 , 7 , 50 , 164 , 431 , 9306 , 7064 , 78211 , 54020 , 532443 , 884197 , 6759960 , 6680897 , 60402956 , 99930937 , 525717237 , 306747207 , 2792587839 , 9255748669
n×2
43864782
n×3
65797173
n×4
87729564
n×5
109661955
n÷2
10966195.5
n÷3
7310797
n÷3
5483097.75
n÷5
4386478.2
n2
481029774976881
n3
1.0550133107435E+22
n4
2.3138964441431E+29
n5
5.0749281546456E+36
2 √n
4683.203070549
3 √n
279.91660356466
4 √n
68.433932157586
5 √n
29.391191735903
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
-21932390
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 21932391 can be divided by 8 positive divisors.
The sum of these divisors (counting 21932391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011101010100101100111
3
Ternary
1112021021120210
4
Quaternary
1103222211213
5
Quinary
21103314031
6
Senary
2102030503
8
Octal
123524547
10
Decimal
21932391
12
Duodecimal
7418433
16
Hexadecimal
14ea967
20
Vigesimal
6h1ajb
36
Base36
d2353
md5
0f92d8e1a9bfda0e45bad56fc9e4a4bb
sha1
6c6846f1a303dbbe30171ac8e09ebf7bedaed267
sha256
0f02c807a1b5ca7daf6341b6d8dc8af5642b7b580346f1c3bdc381b493762d9b
sha512
333ca02e166d4fec1ffce2a2a522aed6e8a012985ac8455626387d52ee3bfd077932121c54429f14055606d8ccf17b454df9b1a46eacd21d0c7aefe42a3c7a26
ripemd-160
3d662346fb2be10c9dff9b8ea595b901d06c9463
Diameter
43864782
Circumference
137805276.88252
Area
1.5111996072253E+15
Volume
4.4192294219616E+22
Surface area
6.0447984289013E+15
Circumference
137805276.88252
Perimeter
87729564
Area
481029774976881
Diagonal
31017084.80747
Surface area
2886178649861286
Volume
1.0550133107435E+22
Space diagonal
37988015.543466
Perimeter
65797173
Area
2.0829200255335E+14
Altitude
18994007.771733
Surface area
2.0829200255335E+14
Volume
1.243345110448E+21
Height
10339028.269157