21497071 is an odd 8-digits composite number following 21497070
and preceding 21497072 . In scientific notation, it is written as 2.1497071 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21144600 positive integers (up to 21497071) that are relatively prime to 21497071.
21497071 has 4 divisors, whose sum is 21849544
The reverse of 21497071 is 17079412
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand seventy-one
Scientific notation
2.1497071 × 10^7
Engineering notation
2.1497071 × 10^6
Prime Factorization
61 × 352411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497071
Product of the distinct prime numbers
The prime factorization of 21497071 is 61 × 352411.
Since it has a total of 2 prime factors.
9 , 10 , 97 , 41 , 899 , 714 , 3624 , 9822 , 98067 , 45227 , 634930 , 931145 , 6447079 , 437487 , 97989620 , 1269877 , 602289253 , 531002276 , 7684042166 , 6602399088
n×2
42994142
n×3
64491213
n×4
85988284
n×5
107485355
n÷2
10748535.5
n÷3
7165690.3333333
n÷3
5374267.75
n÷5
4299414.2
n2
462124061579041
n3
9.934313762573E+21
n4
2.1355864829031E+29
n5
4.5908854249608E+36
2 √n
4636.4933947974
3 √n
278.05226058892
4 √n
68.091801230379
5 √n
29.273581390358
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
-21497070
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 21497071 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497071) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000010011101111
3
Ternary
1111110011102211
4
Quaternary
1102000103233
5
Quinary
21000401241
6
Senary
2044431251
8
Octal
122002357
10
Decimal
21497071
12
Duodecimal
7248527
16
Hexadecimal
14804ef
20
Vigesimal
6e72db
36
Base36
csr8v
md5
eff668d21233cbf214f6f813b183d7a2
sha1
ee7dc6db0f5a34561f6cdd0b7c59f778a90ce9c4
sha256
a4d38603a2f93d984af22e5b71496004426e19142150f965808199c517121451
sha512
de4a3fa53dc48f5dc5422930dc8ddd26a76ace120dff2082bc2134a42171d4fde02c4ad6e8f6e8d83c91344e39173b5892385befee6ad023390998037fdff625
ripemd-160
3f3fee915058fed85f4b88003300e39bd255dffa
Diameter
42994142
Circumference
135070080.6546
Area
1.4518055569038E+15
Volume
4.161275617994E+22
Surface area
5.8072222276152E+15
Circumference
135070080.6546
Perimeter
85988284
Area
462124061579041
Diagonal
30401449.359497
Surface area
2772744369474246
Volume
9.934313762573E+21
Space diagonal
37234019.185915
Perimeter
64491213
Area
2.0010558851375E+14
Altitude
18617009.592958
Surface area
2.0010558851375E+14
Volume
1.1707701046584E+21
Height
10133816.453166