21932487 is an odd 8-digits composite number following 21932486
and preceding 21932488 . In scientific notation, it is written as 2.1932487 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 14586000 positive integers (up to 21932487) that are relatively prime to 21932487.
21932487 has 12 divisors, whose sum is 31757544
The reverse of 21932487 is 78423912
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million nine hundred thirty-two thousand four hundred eighty-seven
Scientific notation
2.1932487 × 10^7
Engineering notation
2.1932487 × 10^6
Prime Factorization
3 × 3 × 443 × 5501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7310829
Product of the distinct prime numbers
The prime factorization of 21932487 is 3 × 3 × 443 × 5501.
Since it has a total of 4 prime factors.
9 , 9 , 26 , 83 , 750 , 608 , 3443 , 3780 , 34740 , 34572 , 351502 , 490334 , 1266528 , 8906530 , 25832320 , 18028137 , 978826993 , 507359020 , 3592220979 , 1929512333
n×2
43864974
n×3
65797461
n×4
87729948
n×5
109662435
n÷2
10966243.5
n÷3
7310829
n÷3
5483121.75
n÷5
4386497.4
n2
481033986005169
n3
1.0550271644617E+22
n4
2.3139369569202E+29
n5
5.0750392226472E+36
2 √n
4683.2133199332
3 √n
279.91701197058
4 √n
68.434007042794
5 √n
29.391217465423
1 , 3 , 9 , 443 , 1329 , 3987 , 5501 , 16503 , 49509 , 2436943 , 7310829 , 21932487
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
-21932486
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 21932487 can be divided by 12 positive divisors.
The sum of these divisors (counting 21932487) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011101010100111000111
3
Ternary
1112021021201100
4
Quaternary
1103222213013
5
Quinary
21103314422
6
Senary
2102031143
8
Octal
123524707
10
Decimal
21932487
12
Duodecimal
74184b3
16
Hexadecimal
14ea9c7
20
Vigesimal
6h1b47
36
Base36
d237r
md5
b2e0fec85a22862cc085a9000a934c19
sha1
0a1ec025488b7dca85b3e790bc26b3846415662f
sha256
4f9ee471d024401ec24571b30d2e9cceedcc3773351fc1a91e89a53ae8a430e5
sha512
69a222adf411121c26c9574336f2b2d9b210fdae54f503c22b5a9261f3ccfbbbaac9d09fd7e79055251d763790f28455266dffc4abf41f052c190e147b013d08
ripemd-160
99fbfe24c15615c90f91b47a501bfd09b0a91b94
Diameter
43864974
Circumference
137805880.06831
Area
1.5112128365609E+15
Volume
4.4192874522805E+22
Surface area
6.0448513462434E+15
Circumference
137805880.06831
Perimeter
87729948
Area
481033986005169
Diagonal
31017220.571972
Surface area
2886203916031014
Volume
1.0550271644617E+22
Space diagonal
37988181.820344
Perimeter
65797461
Area
2.0829382598208E+14
Altitude
18994090.910172
Surface area
2.0829382598208E+14
Volume
1.2433614372114E+21
Height
10339073.523991