21490817 is an odd 8-digits composite number following 21490816
and preceding 21490818 . In scientific notation, it is written as 2.1490817 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 21430596 positive integers (up to 21490817) that are relatively prime to 21490817.
21490817 has 4 divisors, whose sum is 21551040
The reverse of 21490817 is 71809412
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety thousand eight hundred seventeen
Scientific notation
2.1490817 × 10^7
Engineering notation
2.1490817 × 10^6
Prime Factorization
359 × 59863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21490817
Product of the distinct prime numbers
The prime factorization of 21490817 is 359 × 59863.
Since it has a total of 2 prime factors.
10 , 4 , 86 , 66 , 945 , 169 , 8282 , 3240 , 81195 , 72355 , 277768 , 590117 , 6179495 , 3416744 , 85468180 , 77272004 , 815614360 , 23148211 , 3769412241 , 3996198457
n×2
42981634
n×3
64472451
n×4
85963268
n×5
107454085
n÷2
10745408.5
n÷3
7163605.6666667
n÷3
5372704.25
n÷5
4298163.4
n2
461855215327489
n3
9.9256459130987E+21
n4
2.133102399252E+29
n5
4.5842113304586E+36
2 √n
4635.8189136333
3 √n
278.02529400825
4 √n
68.0868483162
5 √n
29.271877918417
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
-21490816
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 21490817 can be divided by 4 positive divisors.
The sum of these divisors (counting 21490817) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110110010000001
3
Ternary
1111102211212012
4
Quaternary
1101332302001
5
Quinary
21000201232
6
Senary
2044342305
8
Octal
121766201
10
Decimal
21490817
12
Duodecimal
7244995
16
Hexadecimal
147ec81
20
Vigesimal
6e670h
36
Base36
csmf5
md5
597e44a7ea406f14404f5c965a452a64
sha1
b56a4cda5652e39baeee41fd9a0639439d7e777e
sha256
1e0f52b4bd2b4a5bcc204ff333dddccb0404e4a19889e006a9ffd2a8dc160139
sha512
93425301abbe68ba9d3a75b2c1417e2ffee54e29da402d481a60fdfab0456d6e0bf6d888cd71a75e48929b1e96a002ae01d16dbbaa1ea2b9f7e140fd79abbddb
ripemd-160
07ec1b1303421bcfdf6f827bfd3ba56be52fabac
Diameter
42981634
Circumference
135030785.61369
Area
1.450960951495E+15
Volume
4.1576448376966E+22
Surface area
5.8038438059799E+15
Circumference
135030785.61369
Perimeter
85963268
Area
461855215327489
Diagonal
30392604.867878
Surface area
2771131291964934
Volume
9.9256459130987E+21
Space diagonal
37223186.940165
Perimeter
64472451
Area
1.9998917467197E+14
Altitude
18611593.470082
Surface area
1.9998917467197E+14
Volume
1.1697485888014E+21
Height
10130868.289293