21976918 is an even 8-digits composite number following 21976917
and preceding 21976919 . In scientific notation, it is written as 2.1976918 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 10654336 positive integers (up to 21976918) that are relatively prime to 21976918.
21976918 has 16 divisors, whose sum is 33981120
The reverse of 21976918 is 81967912
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred seventy-six thousand nine hundred eighteen
Scientific notation
2.1976918 × 10^7
Engineering notation
2.1976918 × 10^6
Prime Factorization
2 × 47 × 113 × 2069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21976918
Product of the distinct prime numbers
The prime factorization of 21976918 is 2 × 47 × 113 × 2069.
Since it has a total of 4 prime factors.
1 , 5 , 92 , 14 , 181 , 813 , 5783 , 3345 , 58758 , 7913 , 35040 , 920431 , 3108919 , 3092045 , 99642342 , 42186712 , 926401096 , 360035906 , 5412243023 , 6319356407
n×2
43953836
n×3
65930754
n×4
87907672
n×5
109884590
n÷2
10988459
n÷3
7325639.3333333
n÷3
5494229.5
n÷5
4395383.6
n2
482984924778724
n3
1.0614520087098E+22
n4
2.3327443756351E+29
n5
5.1266531858294E+36
2 √n
4687.9545646262
3 √n
280.10590381672
4 √n
68.468639278331
5 √n
29.403116018305
1 , 2 , 47 , 94 , 113 , 226 , 2069 , 4138 , 5311 , 10622 , 97243 , 194486 , 233797 , 467594 , 10988459 , 21976918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21976917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21976918 can be divided by 16 positive divisors.
The sum of these divisors (counting 21976918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011110101011101010110
3
Ternary
1112100112122221
4
Quaternary
1103311131112
5
Quinary
21111230133
6
Senary
2103012554
8
Octal
123653526
10
Decimal
21976918
12
Duodecimal
743a15a
16
Hexadecimal
14f5756
20
Vigesimal
6h725i
36
Base36
d31hy
md5
4f4e32a94285cce76f3fda6aa32fb2ec
sha1
28621e2010e74d3819c9cf53669bc199adb0ff1e
sha256
8333b666ed8b9e63669fd00839a5687b0071b85d920244c63252eef7894be18d
sha512
221f5d4fde5c589783131b6bf52bf28a634c6f6d63cb7b9bcdc39ab979d6c6c76189dac0ec1cae9a9e5b78996384d9a35ce0028d311163a8a97ebb3e1f58360c
ripemd-160
4ba9b0d1619681254123f7b843b06cbafb967abe
Diameter
43953836
Circumference
138085048.27469
Area
1.5173418914795E+15
Volume
4.4461997769345E+22
Surface area
6.0693675659178E+15
Circumference
138085048.27469
Perimeter
87907672
Area
482984924778724
Diagonal
31080055.494761
Surface area
2897909548672344
Volume
1.0614520087098E+22
Space diagonal
38065138.569775
Perimeter
65930754
Area
2.0913860725165E+14
Altitude
19032569.284887
Surface area
2.0913860725165E+14
Volume
1.2509331887713E+21
Height
10360018.498254