21492868 is an even 8-digits composite number following 21492867
and preceding 21492869 . In scientific notation, it is written as 2.1492868 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 10746432 positive integers (up to 21492868) that are relatively prime to 21492868.
21492868 has 6 divisors, whose sum is 37612526
The reverse of 21492868 is 86829412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand eight hundred sixty-eight
Scientific notation
2.1492868 × 10^7
Engineering notation
2.1492868 × 10^6
Prime Factorization
2 × 2 × 5373217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10746434
Product of the distinct prime numbers
The prime factorization of 21492868 is 2 × 2 × 5373217.
Since it has a total of 3 prime factors.
10 , 8 , 97 , 14 , 389 , 896 , 3606 , 9107 , 52397 , 58182 , 296761 , 323596 , 8407014 , 698218 , 13563689 , 46678607 , 513924906 , 919841283 , 4444944580 , 6009396449
n×2
42985736
n×3
64478604
n×4
85971472
n×5
107464340
n÷2
10746434
n÷3
7164289.3333333
n÷3
5373217
n÷5
4298573.6
n2
461943374865424
n3
9.9284879794571E+21
n4
2.1339168158206E+29
n5
4.5863992445412E+36
2 √n
4636.0401206202
3 √n
278.03413827786
4 √n
68.088472744072
5 √n
29.272436615929
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492868 can be divided by 6 positive divisors.
The sum of these divisors (counting 21492868) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111010010000100
3
Ternary
1111102221200011
4
Quaternary
1101333102010
5
Quinary
21000232433
6
Senary
2044400004
8
Octal
121772204
10
Decimal
21492868
12
Duodecimal
7246004
16
Hexadecimal
147f484
20
Vigesimal
6e6c38
36
Base36
cso04
md5
d0d3f9d7cff8ff40f8bc55e43662947a
sha1
c2e0ffd3b19daf40361398883171e0483853340b
sha256
61ff1678046da6797ec54c42b5d35d5d3c1940ca2cf9cbd72b168d8f933a9fe3
sha512
122c913d16631c146794823c3facec3d323abdafb3b953e1061c867f5ad18d13bf51abe23ae15ed4ff34cb9a3dff9d1152b6b80716ad75ecb89953223ab54456
ripemd-160
eebed02829881e0fa43e816e19c6be825456f8c3
Diameter
42985736
Circumference
135043672.42675
Area
1.4512379128517E+15
Volume
4.1588353196689E+22
Surface area
5.8049516514068E+15
Circumference
135043672.42675
Perimeter
85971472
Area
461943374865424
Diagonal
30395505.419895
Surface area
2771660249192544
Volume
9.9284879794571E+21
Space diagonal
37226739.376371
Perimeter
64478604
Area
2.0002734887169E+14
Altitude
18613369.688186
Surface area
2.0002734887169E+14
Volume
1.1700835295339E+21
Height
10131835.139965