21882978 is an even 8-digits composite number following 21882977
and preceding 21882979 . In scientific notation, it is written as 2.1882978 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 6336000 positive integers (up to 21882978) that are relatively prime to 21882978.
21882978 has 32 divisors, whose sum is 48065472
The reverse of 21882978 is 87928812
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million eight hundred eighty-two thousand nine hundred seventy-eight
Scientific notation
2.1882978 × 10^7
Engineering notation
2.1882978 × 10^6
Prime Factorization
2 × 3 × 51 × 13 × 5501
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21882978
Product of the distinct prime numbers
The prime factorization of 21882978 is 2 × 3 × 51 × 13 × 5501.
Since it has a total of 5 prime factors.
2 , 8 , 83 , 69 , 209 , 60 , 5314 , 6089 , 3651 , 82574 , 618211 , 210626 , 4647866 , 4718784 , 56571777 , 78873156 , 522632896 , 540354844 , 5123002585 , 5315744031
n×2
43765956
n×3
65648934
n×4
87531912
n×5
109414890
n÷2
10941489
n÷3
7294326
n÷3
5470744.5
n÷5
4376595.6
n2
478864726148484
n3
1.0478986267283E+22
n4
2.2931142594926E+29
n5
5.0180168891963E+36
2 √n
4677.9245397933
3 √n
279.70623100836
4 √n
68.395354665308
5 √n
29.377936295305
1 , 2 , 3 , 6 , 13 , 26 , 39 , 51 , 78 , 102 , 153 , 306 , 663 , 1326 , 1989 , 3978 , 5501 , 11002 , 16503 , 33006 , 71513 , 143026 , 214539 , 280551 , 429078 , 561102 , 841653 , 1683306 , 3647163 , 7294326 , 10941489 , 21882978
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21882977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21882978 can be divided by 32 positive divisors.
The sum of these divisors (counting 21882978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011011110100001100010
3
Ternary
1112011202210200
4
Quaternary
1103132201202
5
Quinary
21100223403
6
Senary
2101010030
8
Octal
123364142
10
Decimal
21882978
12
Duodecimal
73b3916
16
Hexadecimal
14de862
20
Vigesimal
6gf78i
36
Base36
d110i
md5
722812e930a68dd3e71f88334bc3bf16
sha1
fabb69eb8a3a72a0e85d83797efdc572504f43ae
sha256
476c49b4e5c526e97f3593d86bd6cfe2ec5be310e3627233a6036786bdebfdf5
sha512
6730de9ebcfb1966d21cee569285987a99f0bbd134b1e9b9cb47c3582a8a585af43092ad1186562e66319a6319594e792279718eb34e892d37bb5ec2d6ad0b38
ripemd-160
a829d4fdc2fca3cac466a889101072dd4dd4c07c
Diameter
43765956
Circumference
137494805.84693
Area
1.5043979057314E+15
Volume
4.3894275032487E+22
Surface area
6.0175916229255E+15
Circumference
137494805.84693
Perimeter
87531912
Area
478864726148484
Diagonal
30947204.272712
Surface area
2873188356890904
Volume
1.0478986267283E+22
Space diagonal
37902429.716912
Perimeter
65648934
Area
2.0735450891043E+14
Altitude
18951214.858456
Surface area
2.0735450891043E+14
Volume
1.2349603749261E+21
Height
10315734.757571