21861100 is an even 8-digits composite number following 21861099
and preceding 21861101 . In scientific notation, it is written as 2.1861100 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 18 positive divisors.
There are 8744400 positive integers (up to 21861100) that are relatively prime to 21861100.
21861100 has 18 divisors, whose sum is 47438804
The reverse of 21861100 is 00116812
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eight hundred sixty-one thousand one hundred
Scientific notation
2.1861100 × 10^7
Engineering notation
2.1861100 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 218611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2186110
Product of the distinct prime numbers
The prime factorization of 21861100 is 2 × 2 × 5 × 5 × 218611.
Since it has a total of 5 prime factors.
8 , 1 , 99 , 61 , 530 , 855 , 4453 , 6571 , 14304 , 96943 , 442323 , 263226 , 5666674 , 6177259 , 19711533 , 34831073 , 898171710 , 369272342 , 9766379420 , 1329090320
n×2
43722200
n×3
65583300
n×4
87444400
n×5
109305500
n÷2
10930550
n÷3
7287033.3333333
n÷3
5465275
n÷5
4372220
n2
477907693210000
n3
1.0447587872033E+22
n4
2.283957632293E+29
n5
4.9929826195321E+36
2 √n
4675.58552483
3 √n
279.61298572588
4 √n
68.378253303444
5 √n
29.372059694065
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 218611 , 437222 , 874444 , 1093055 , 2186110 , 4372220 , 5465275 , 10930550 , 21861100
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861099
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861100 can be divided by 18 positive divisors.
The sum of these divisors (counting 21861100) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010011011001001011101100
3
Ternary
1112010122210101
4
Quaternary
1103121023230
5
Quinary
21044023400
6
Senary
2100320444
8
Octal
123311354
10
Decimal
21861100
12
Duodecimal
73a3124
16
Hexadecimal
14d92ec
20
Vigesimal
6gccf0
36
Base36
d0k4s
md5
4246d0a4c3d7b081106f94f70272aac9
sha1
eacce061b4205c6cfa73ca05cb16fec3733b0955
sha256
458e63d6a81e83b017e1f9ed77c2569e7bdd03c04421ad9b2905c75809c0082e
sha512
d2ed2073dee5b8322811903f9178fbfd2e7d6b35ed71b9a54fcc1f7e59229a500ea60e23037f031ac49e8a3d697337c64226bd90daf759ccb576f4ba6ff71d67
ripemd-160
a98d76a90d97f6bdb4f084117de4fde48d676a3d
Diameter
43722200
Circumference
137357342.31878
Area
1.5013912980826E+15
Volume
4.3762753742017E+22
Surface area
6.0055651923303E+15
Circumference
137357342.31878
Perimeter
87444400
Area
477907693210000
Diagonal
30916264.108394
Surface area
2867446159260000
Volume
1.0447587872033E+22
Space diagonal
37864535.909344
Perimeter
65583300
Area
2.0694010149194E+14
Altitude
18932267.954672
Surface area
2.0694010149194E+14
Volume
1.2312600385595E+21
Height
10305421.369465