21297799 is an odd 8-digits composite number following 21297798
and preceding 21297800 . In scientific notation, it is written as 2.1297799 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 20997760 positive integers (up to 21297799) that are relatively prime to 21297799.
21297799 has 4 divisors, whose sum is 21597840
The reverse of 21297799 is 99779212
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million two hundred ninety-seven thousand seven hundred ninety-nine
Scientific notation
2.1297799 × 10^7
Engineering notation
2.1297799 × 10^6
Prime Factorization
71 × 299969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21297799
Product of the distinct prime numbers
The prime factorization of 21297799 is 71 × 299969.
Since it has a total of 2 prime factors.
9 , 6 , 77 , 36 , 988 , 77 , 4824 , 8859 , 13207 , 60705 , 836692 , 232035 , 3404513 , 8494265 , 41392544 , 11492606 , 381873477 , 226922013 , 5325815964 , 4145759875
n×2
42595598
n×3
63893397
n×4
85191196
n×5
106488995
n÷2
10648899.5
n÷3
7099266.3333333
n÷3
5324449.75
n÷5
4259559.8
n2
453596242244401
n3
9.6606015944766E+21
n4
2.0574955097824E+29
n5
4.3820125810748E+36
2 √n
4614.9538459231
3 √n
277.19043584653
4 √n
67.933451597303
5 √n
29.219107403378
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
-21297798
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 21297799 can be divided by 4 positive divisors.
The sum of these divisors (counting 21297799) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001111101010000111
3
Ternary
1111002001002101
4
Quaternary
1101033222013
5
Quinary
20423012144
6
Senary
2040252531
8
Octal
121175207
10
Decimal
21297799
12
Duodecimal
7171147
16
Hexadecimal
144fa87
20
Vigesimal
6d249j
36
Base36
cohhj
md5
b5567903fb69ba7f2b13d8a390e4bd65
sha1
47319c344d47a59dd782ed53a03394a531cb0855
sha256
87b3c004d8e4c8af67b5767a7cad2a9c99f397635034868ba3ccfc29cfa6c529
sha512
fe2432f732b12793ed2b248c258fe04a4f3610224c747ba7c78d75eca274498818d70beda9d6bd6768d81fa2c955dbbba62dcdcf2f3f5c9dacbf90b8c79a9e6b
ripemd-160
c6a45c6423d8a205176a9b5f0df80d45fbc12251
Diameter
42595598
Circumference
133818017.75206
Area
1.4250146223309E+15
Volume
4.0466233331287E+22
Surface area
5.7000584893238E+15
Circumference
133818017.75206
Perimeter
85191196
Area
453596242244401
Diagonal
30119636.194496
Surface area
2721577453466406
Volume
9.6606015944766E+21
Space diagonal
36888869.95739
Perimeter
63893397
Area
1.9641293442241E+14
Altitude
18444434.978695
Surface area
1.9641293442241E+14
Volume
1.1385128162993E+21
Height
10039878.731499