21102007 is an odd 8-digits composite number following 21102006
and preceding 21102008 . In scientific notation, it is written as 2.1102007 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 20950056 positive integers (up to 21102007) that are relatively prime to 21102007.
21102007 has 4 divisors, whose sum is 21253960
The reverse of 21102007 is 70020112
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million one hundred two thousand seven
Scientific notation
2.1102007 × 10^7
Engineering notation
2.1102007 × 10^6
Prime Factorization
139 × 151813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21102007
Product of the distinct prime numbers
The prime factorization of 21102007 is 139 × 151813.
Since it has a total of 2 prime factors.
5 , 10 , 100 , 56 , 112 , 579 , 2269 , 2540 , 38102 , 85236 , 246616 , 611727 , 8091119 , 8638239 , 99188032 , 15353690 , 343046808 , 686411095 , 5547080070 , 9443454954
n×2
42204014
n×3
63306021
n×4
84408028
n×5
105510035
n÷2
10551003.5
n÷3
7034002.3333333
n÷3
5275501.75
n÷5
4220401.4
n2
445294699428049
n3
9.3966118643936E+21
n4
1.9828736933872E+29
n5
4.1842614557972E+36
2 √n
4593.6920880703
3 √n
276.33840990006
4 √n
67.776781334542
5 √n
29.165186139663
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
-21102006
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 21102007 can be divided by 4 positive divisors.
The sum of these divisors (counting 21102007) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011111110110110111
3
Ternary
1110201002111211
4
Quaternary
1100133312313
5
Quinary
20400231012
6
Senary
2032142251
8
Octal
120376667
10
Decimal
21102007
12
Duodecimal
7097987
16
Hexadecimal
141fdb7
20
Vigesimal
6bhf07
36
Base36
ckaev
md5
843c0dd495c95dfa2b682b23c07f044f
sha1
56978326396ee43836f6f519fc5571a0767638ba
sha256
f6e47b526ceca18327c8f9537088608faa7834b0d0ffccc0132675fcb74b9a4a
sha512
8a7f80cccc1acea5d40fec855e50f728c433006e4e4d36737e34e62e75acc00b6d0c8101b051d7c6a9695afb8c44b159369f156bfe491de2617060f06467b495
ripemd-160
848775c74d6594e8fc912fb7b38c63fc8705f5e2
Diameter
42204014
Circumference
132587820.3344
Area
1.3989345564056E+15
Volume
3.9360435735751E+22
Surface area
5.5957382256225E+15
Circumference
132587820.3344
Perimeter
84408028
Area
445294699428049
Diagonal
29842744.492692
Surface area
2671768196568294
Volume
9.3966118643936E+21
Space diagonal
36549748.265674
Perimeter
63306021
Area
1.9281826093762E+14
Altitude
18274874.132837
Surface area
1.9281826093762E+14
Volume
1.1074013282484E+21
Height
9947581.497564