21102955 is an odd 8-digits composite number following 21102954
and preceding 21102956 . In scientific notation, it is written as 2.1102955 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 16565472 positive integers (up to 21102955) that are relatively prime to 21102955.
21102955 has 16 divisors, whose sum is 25804800
The reverse of 21102955 is 55920112
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred two thousand nine hundred fifty-five
Scientific notation
2.1102955 × 10^7
Engineering notation
2.1102955 × 10^6
Prime Factorization
5 × 199 × 167 × 127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21102955
Product of the distinct prime numbers
The prime factorization of 21102955 is 5 × 199 × 167 × 127.
Since it has a total of 4 prime factors.
3 , 1 , 81 , 31 , 841 , 587 , 5940 , 5433 , 24700 , 42993 , 807077 , 889647 , 742164 , 9729152 , 6193099 , 31492186 , 838322356 , 136415273 , 6450243228 , 3810660070
n×2
42205910
n×3
63308865
n×4
84411820
n×5
105514775
n÷2
10551477.5
n÷3
7034318.3333333
n÷3
5275738.75
n÷5
4220591
n2
445334709732025
n3
9.397878339413E+21
n4
1.9832300369211E+29
n5
4.1852014223794E+36
2 √n
4593.7952718858
3 √n
276.34254797233
4 √n
67.77754253354
5 √n
29.165448182033
1 , 5 , 127 , 167 , 199 , 635 , 835 , 995 , 21209 , 25273 , 33233 , 106045 , 126365 , 166165 , 4220591 , 21102955
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
-21102954
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 21102955 can be divided by 16 positive divisors.
The sum of these divisors (counting 21102955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000000101101011
3
Ternary
1110201010210221
4
Quaternary
1100200011223
5
Quinary
20400243310
6
Senary
2032150511
8
Octal
120400553
10
Decimal
21102955
12
Duodecimal
7098437
16
Hexadecimal
142016b
20
Vigesimal
6bhh7f
36
Base36
ckb57
md5
af811acd211c33238901c2d7f285ab0b
sha1
c6fbfff867a125f4304dfc9b019d0fa7fd7c2b4e
sha256
dd61750e357394c99a9cbf9f6d4952f566ec2fbeeb495743d03a2a605ec1f558
sha512
658694a39aaeed55ed5ceadab4c09dd6098494d8210a8b5b4284028e5ddc8345cb9b009ce930af61ace2a4b5e1960d4f2447bda4c51347a8322af7423730465f
ripemd-160
0aea39ea4be9f0fd75f5ed0a4f2e72c6abd28d63
Diameter
42205910
Circumference
132593776.79407
Area
1.3990602524827E+15
Volume
3.9365740733907E+22
Surface area
5.5962410099307E+15
Circumference
132593776.79407
Perimeter
84411820
Area
445334709732025
Diagonal
29844085.167149
Surface area
2672008258392150
Volume
9.397878339413E+21
Space diagonal
36551390.24984
Perimeter
63308865
Area
1.9283558590745E+14
Altitude
18275695.12492
Surface area
1.9283558590745E+14
Volume
1.1075505837608E+21
Height
9948028.3890497