21031607 is an odd 8-digits composite number following 21031606
and preceding 21031608 . In scientific notation, it is written as 2.1031607 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20584080 positive integers (up to 21031607) that are relatively prime to 21031607.
21031607 has 4 divisors, whose sum is 21479136
The reverse of 21031607 is 70613012
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand six hundred seven
Scientific notation
2.1031607 × 10^7
Engineering notation
2.1031607 × 10^6
Prime Factorization
47 × 447481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031607
Product of the distinct prime numbers
The prime factorization of 21031607 is 47 × 447481.
Since it has a total of 2 prime factors.
1 , 3 , 76 , 37 , 442 , 772 , 2744 , 8987 , 79405 , 96771 , 533667 , 877627 , 4093942 , 1446048 , 71134135 , 32757475 , 657938570 , 973094553 , 2968198823 , 5471515510
n×2
42063214
n×3
63094821
n×4
84126428
n×5
105158035
n÷2
10515803.5
n÷3
7010535.6666667
n÷3
5257901.75
n÷5
4206321.4
n2
442328493002449
n3
9.3028790297298E+21
n4
1.9565449572182E+29
n5
4.1149284618044E+36
2 √n
4586.0230047395
3 √n
276.03076304164
4 √n
67.720181664992
5 √n
29.145700082486
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
-21031606
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 21031607 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031607) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110101010110111
3
Ternary
1110120111221102
4
Quaternary
1100032222313
5
Quinary
20341002412
6
Senary
2030440315
8
Octal
120165267
10
Decimal
21031607
12
Duodecimal
706309b
16
Hexadecimal
140eab7
20
Vigesimal
6b8j07
36
Base36
cis3b
md5
ea6639d0256a14e53382ecf4aab86cb1
sha1
6921d294c85fcb6164b422580fccc3bfaf842873
sha256
57e9d8433d0423b78ec18f8de457373ba144ebc0b56b89070991ed7bd3818e5d
sha512
5c5c5d68cd3e5fee2d8ca8a847c5bf97fa1a8952a4366856eaab41631ff411c45e74d92ce53f470a1cbc846949a76b6d04e52a259f8739378f6db2e406c00914
ripemd-160
13b530c0cc585b6ff1346ca81e37af7a5c0d4c3f
Diameter
42063214
Circumference
132145484.08878
Area
1.3896159440899E+15
Volume
3.8967808556045E+22
Surface area
5.5584637763598E+15
Circumference
132145484.08878
Perimeter
84126428
Area
442328493002449
Diagonal
29743183.857901
Surface area
2653970958014694
Volume
9.3028790297298E+21
Space diagonal
36427811.888821
Perimeter
63094821
Area
1.915338558789E+14
Altitude
18213905.944411
Surface area
1.915338558789E+14
Volume
1.0963548077467E+21
Height
9914394.6193003