21490908 is an even 8-digits composite number following 21490907
and preceding 21490909 . In scientific notation, it is written as 2.1490908 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 7065216 positive integers (up to 21490908) that are relatively prime to 21490908.
21490908 has 24 divisors, whose sum is 50834448
The reverse of 21490908 is 80909412
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety thousand nine hundred eight
Scientific notation
2.1490908 × 10^7
Engineering notation
2.1490908 × 10^6
Prime Factorization
2 × 2 × 3 × 73 × 24533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10745454
Product of the distinct prime numbers
The prime factorization of 21490908 is 2 × 2 × 3 × 73 × 24533.
Since it has a total of 5 prime factors.
3 , 8 , 32 , 36 , 555 , 431 , 3119 , 2990 , 2661 , 56941 , 281888 , 553536 , 1697727 , 532394 , 77909561 , 7360422 , 24535928 , 52633004 , 2609029564 , 8969323318
n×2
42981816
n×3
64472724
n×4
85963632
n×5
107454540
n÷2
10745454
n÷3
7163636
n÷3
5372727
n÷5
4298181.6
n2
461859126664464
n3
9.9257720001063E+21
n4
2.1331385288326E+29
n5
4.5843083874397E+36
2 √n
4635.8287285015
3 √n
278.02568642805
4 √n
68.086920392257
5 √n
29.271902707948
1 , 2 , 3 , 4 , 6 , 12 , 73 , 146 , 219 , 292 , 438 , 876 , 24533 , 49066 , 73599 , 98132 , 147198 , 294396 , 1790909 , 3581818 , 5372727 , 7163636 , 10745454 , 21490908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21490908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111110110011011100
3
Ternary
1111102211222120
4
Quaternary
1101332303130
5
Quinary
21000202113
6
Senary
2044342540
8
Octal
121766334
10
Decimal
21490908
12
Duodecimal
7244a50
16
Hexadecimal
147ecdc
20
Vigesimal
6e6758
36
Base36
csmho
md5
d2a4959489d2a698eb8933bc5269f1a2
sha1
0489c4f7a5e57fab6f1c0c244263fc310bdac0b2
sha256
a1a2d0069d3ee9bc1b1aec11619c9801692fd5fec074ed6faaf3d1986f48e175
sha512
1bb4bd34c1c03bfb34a8c2c81b0524b409ab6c04bab1954519c3855e8db4e293fbd1bdf8891d1e5d3246d45842ec55aef4ebcf51047a45f559004e12c71497e0
ripemd-160
d1b90116b0651e87032575f6ebceae10adecead0
Diameter
42981816
Circumference
135031357.38355
Area
1.4509732393225E+15
Volume
4.1576976528988E+22
Surface area
5.8038929572899E+15
Circumference
135031357.38355
Perimeter
85963632
Area
461859126664464
Diagonal
30392733.561312
Surface area
2771154759986784
Volume
9.9257720001063E+21
Space diagonal
37223344.556788
Perimeter
64472724
Area
1.9999086833056E+14
Altitude
18611672.278394
Surface area
1.9999086833056E+14
Volume
1.1697634482978E+21
Height
10130911.187104