21976988 is an even 8-digits composite number following 21976987
and preceding 21976989 . In scientific notation, it is written as 2.1976988 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 9398400 positive integers (up to 21976988) that are relatively prime to 21976988.
21976988 has 24 divisors, whose sum is 42196224
The reverse of 21976988 is 88967912
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million nine hundred seventy-six thousand nine hundred eighty-eight
Scientific notation
2.1976988 × 10^7
Engineering notation
2.1976988 × 10^6
Prime Factorization
2 × 2 × 187 × 11 × 2671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10988494
Product of the distinct prime numbers
The prime factorization of 21976988 is 2 × 2 × 187 × 11 × 2671.
Since it has a total of 5 prime factors.
4 , 4 , 74 , 37 , 326 , 262 , 2740 , 8233 , 35361 , 34174 , 204686 , 937679 , 3672238 , 38171 , 68478845 , 62350384 , 985796931 , 587271771 , 5452213694 , 2547991939
n×2
43953976
n×3
65930964
n×4
87907952
n×5
109884940
n÷2
10988494
n÷3
7325662.6666667
n÷3
5494247
n÷5
4395397.6
n2
482988001552144
n3
1.0614621514255E+22
n4
2.3327740964333E+29
n5
5.1267348324026E+36
2 √n
4687.962030563
3 √n
280.10620121044
4 √n
68.468693799159
5 √n
29.403134749007
1 , 2 , 4 , 11 , 22 , 44 , 187 , 374 , 748 , 2057 , 2671 , 4114 , 5342 , 8228 , 10684 , 29381 , 58762 , 117524 , 499477 , 998954 , 1997908 , 5494247 , 10988494 , 21976988
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
-21976987
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 21976988 can be divided by 24 positive divisors.
The sum of these divisors (counting 21976988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011110101011110011100
3
Ternary
1112100112202112
4
Quaternary
1103311132130
5
Quinary
21111230423
6
Senary
2103013152
8
Octal
123653634
10
Decimal
21976988
12
Duodecimal
743a1b8
16
Hexadecimal
14f579c
20
Vigesimal
6h7298
36
Base36
d31jw
md5
383f31480c14d930bfc62dd6de058ae0
sha1
34a731a2a3248652b5d8433fff2171164a99ac61
sha256
2a721dadf7bebc13aebeb54ec1852e74249ae7add4d4a7357078b95363ae7f8a
sha512
8ab5c76a2417d41ec4b8b75bcaf39c10bd7940a50241e0e962a8bddbbad5b78bafbfe62a9f214aca00c56756b63a1e6ac2e3cd28725f89f408a4d3e7b4a97670
ripemd-160
58af04ee94ff7a80fe4b14a5ace650107ad3c697
Diameter
43953976
Circumference
138085488.09766
Area
1.5173515574482E+15
Volume
4.4462422626428E+22
Surface area
6.0694062297929E+15
Circumference
138085488.09766
Perimeter
87907952
Area
482988001552144
Diagonal
31080154.489711
Surface area
2897928009312864
Volume
1.0614621514255E+22
Space diagonal
38065259.813332
Perimeter
65930964
Area
2.0913993953362E+14
Altitude
19032629.906666
Surface area
2.0913993953362E+14
Volume
1.2509451420764E+21
Height
10360051.49657