21807079 is an odd 8-digits composite number following 21807078
and preceding 21807080 . In scientific notation, it is written as 2.1807079 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 17539200 positive integers (up to 21807079) that are relatively prime to 21807079.
21807079 has 16 divisors, whose sum is 26484480
The reverse of 21807079 is 97070812
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eight hundred seven thousand seventy-nine
Scientific notation
2.1807079 × 10^7
Engineering notation
2.1807079 × 10^6
Prime Factorization
7 × 19 × 113 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21807079
Product of the distinct prime numbers
The prime factorization of 21807079 is 7 × 19 × 113 × 1451.
Since it has a total of 4 prime factors.
9 , 7 , 58 , 87 , 217 , 610 , 5821 , 6068 , 98760 , 80622 , 998193 , 272530 , 8571599 , 1081727 , 5254809 , 30805919 , 882624146 , 37645617 , 3543028691 , 4019149831
n×2
43614158
n×3
65421237
n×4
87228316
n×5
109035395
n÷2
10903539.5
n÷3
7269026.3333333
n÷3
5451769.75
n÷5
4361415.8
n2
475548694512241
n3
1.0370327949575E+22
n4
2.261465608523E+29
n5
4.9315959180843E+36
2 √n
4669.8050280499
3 √n
279.38247838353
4 √n
68.335971699025
5 √n
29.357529055325
1 , 7 , 19 , 113 , 133 , 791 , 1451 , 2147 , 10157 , 15029 , 27569 , 163963 , 192983 , 1147741 , 3115297 , 21807079
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
-21807078
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 21807079 can be divided by 16 positive divisors.
The sum of these divisors (counting 21807079) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011001011111111100111
3
Ternary
1112000220200121
4
Quaternary
1103023333213
5
Quinary
21040311304
6
Senary
2055222411
8
Octal
123137747
10
Decimal
21807079
12
Duodecimal
7377a07
16
Hexadecimal
14cbfe7
20
Vigesimal
6g5hdj
36
Base36
czeg7
md5
46c06dead46d2e42046ede6ac6d77005
sha1
c1be40dda55c71465f8909fd156b0eadb581be9f
sha256
728f66a1cc0968ea9dcd47250a6036f29da68d183d14ee5c7c989c952e73ca9a
sha512
ea1b507597121728c54a590553747cf598bcb066620e7451b3745e1fc8526dfbd1e119fa7cff1af080ebf7c17682d377064716233fae9524ec58f701f9bfa4cc
ripemd-160
e0ae435b2649b586519d6b3c2f2ae5175419963c
Diameter
43614158
Circumference
137017918.3653
Area
1.4939802851039E+15
Volume
4.3439128135604E+22
Surface area
5.9759211404155E+15
Circumference
137017918.3653
Perimeter
87228316
Area
475548694512241
Diagonal
30839866.877542
Surface area
2853292167073446
Volume
1.0370327949575E+22
Space diagonal
37770968.792668
Perimeter
65421237
Area
2.0591862509206E+14
Altitude
18885484.396334
Surface area
2.0591862509206E+14
Volume
1.2221548693788E+21
Height
10279955.625847