21091877 is an odd 8-digits composite number following 21091876
and preceding 21091878 . In scientific notation, it is written as 2.1091877 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20837676 positive integers (up to 21091877) that are relatively prime to 21091877.
21091877 has 4 divisors, whose sum is 21346080
The reverse of 21091877 is 77819012
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million ninety-one thousand eight hundred seventy-seven
Scientific notation
2.1091877 × 10^7
Engineering notation
2.1091877 × 10^6
Prime Factorization
83 × 254119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21091877
Product of the distinct prime numbers
The prime factorization of 21091877 is 83 × 254119.
Since it has a total of 2 prime factors.
3 , 7 , 41 , 6 , 487 , 12 , 977 , 6193 , 77102 , 45468 , 225500 , 415928 , 7290888 , 5510015 , 37009925 , 45402363 , 560534688 , 234032722 , 2161412381 , 2086799639
n×2
42183754
n×3
63275631
n×4
84367508
n×5
105459385
n÷2
10545938.5
n÷3
7030625.6666667
n÷3
5272969.25
n÷5
4218375.4
n2
444867275383129
n3
9.3830858537061E+21
n4
1.9790689270681E+29
n5
4.1742278384242E+36
2 √n
4592.589356779
3 √n
276.29418415182
4 √n
67.768645823707
5 √n
29.162385457407
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21091876
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21091877 can be divided by 4 positive divisors.
The sum of these divisors (counting 21091877) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011101011000100101
3
Ternary
1110200120121122
4
Quaternary
1100131120211
5
Quinary
20344420002
6
Senary
2032023325
8
Octal
120353045
10
Decimal
21091877
12
Duodecimal
7091b45
16
Hexadecimal
141d625
20
Vigesimal
6bg9dh
36
Base36
ck2lh
md5
f0032eff9df3062ad17b221fc8b5518c
sha1
b99b42d9e93bcea85dea629269419813be5c56b3
sha256
6cd92a1493128d71cfbdf9e8dde55c4bc157dccb96cb25b49f4eb692bccd6228
sha512
4dae13cbf7c647ed1014cb7ca17c3bfa4358b10bd8859f6a0ebc42465f220043e562a02a0f5199b7086682bb510a0a9295a22a35e87908ecd5a4b3bdb4dfa732
ripemd-160
a640d4bb8bb62270f4e79d9b93ea558c40ff74cc
Diameter
42183754
Circumference
132524171.66724
Area
1.3975917641661E+15
Volume
3.9303778114674E+22
Surface area
5.5903670566646E+15
Circumference
132524171.66724
Perimeter
84367508
Area
444867275383129
Diagonal
29828418.509305
Surface area
2669203652298774
Volume
9.3830858537061E+21
Space diagonal
36532202.590993
Perimeter
63275631
Area
1.9263318089708E+14
Altitude
18266101.295497
Surface area
1.9263318089708E+14
Volume
1.1058072726019E+21
Height
9942806.1697684