21980855 is an odd 8-digits composite number following 21980854
and preceding 21980856 . In scientific notation, it is written as 2.1980855 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 16231968 positive integers (up to 21980855) that are relatively prime to 21980855.
21980855 has 8 divisors, whose sum is 28406112
The reverse of 21980855 is 55808912
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million nine hundred eighty thousand eight hundred fifty-five
Scientific notation
2.1980855 × 10^7
Engineering notation
2.1980855 × 10^6
Prime Factorization
5 × 13 × 338167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21980855
Product of the distinct prime numbers
The prime factorization of 21980855 is 5 × 13 × 338167.
Since it has a total of 3 prime factors.
8 , 7 , 74 , 38 , 657 , 77 , 1109 , 5115 , 96120 , 92925 , 733758 , 585809 , 8596543 , 980455 , 84889789 , 23300829 , 595588715 , 824455063 , 5685947710 , 6537228044
n×2
43961710
n×3
65942565
n×4
87923420
n×5
109904275
n÷2
10990427.5
n÷3
7326951.6666667
n÷3
5495213.75
n÷5
4396171
n2
483157986531025
n3
1.062022564403E+22
n4
2.3344163994871E+29
n5
5.1312468386749E+36
2 √n
4688.374451769
3 √n
280.12262910851
4 √n
68.471705483133
5 √n
29.404169412358
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21980854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21980855 can be divided by 8 positive divisors.
The sum of these divisors (counting 21980855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110110011010110111
3
Ternary
1112100202001202
4
Quaternary
1103312122313
5
Quinary
21111341410
6
Senary
2103043115
8
Octal
123663267
10
Decimal
21980855
12
Duodecimal
744049b
16
Hexadecimal
14f66b7
20
Vigesimal
6h7c2f
36
Base36
d34jb
md5
aaebf998174409696f17c2faba1c010c
sha1
6addc69947122b6fdc8f12c07f00636381f91cad
sha256
9bfdf0506c12c17fc665ad3c3dc659c37f8691b65a0e775b0f4a55832e6f4462
sha512
d33b9f1745fc8e5a1be3172192839a602a48c51f871c1261583ed6f20e4aa8cf479f33bfcc3e7ed12f1a383e24f34978a898b52671e89580450dc17d98f6f2eb
ripemd-160
70729c990b7bca663ca58b20eac72d20ff11cde1
Diameter
43961710
Circumference
138109785.17524
Area
1.5178855810091E+15
Volume
4.4485897150336E+22
Surface area
6.0715423240364E+15
Circumference
138109785.17524
Perimeter
87923420
Area
483157986531025
Diagonal
31085623.253556
Surface area
2898947919186150
Volume
1.062022564403E+22
Space diagonal
38071957.653804
Perimeter
65942565
Area
2.092135451886E+14
Altitude
19035978.826902
Surface area
2.092135451886E+14
Volume
1.2516055951042E+21
Height
10361874.417852