21331657 is an odd 8-digits prime number following 21331656
and preceding 21331658 . In scientific notation, it is written as 2.1331657 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21331656 positive integers (up to 21331657) that are relatively prime to 21331657.
21331657 has 2 divisors, whose sum is 21331658
The reverse of 21331657 is 75613312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred thirty-one thousand six hundred fifty-seven
Scientific notation
2.1331657 × 10^7
Engineering notation
2.1331657 × 10^6
Prime Factorization
21331657
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21331657
Product of the distinct prime numbers
The prime factorization of 21331657 is 21331657.
Since it has a total of 1 prime factors.
9 , 4 , 42 , 88 , 688 , 891 , 2066 , 1351 , 72189 , 9726 , 771347 , 489737 , 4627064 , 7004036 , 73615964 , 86667099 , 265682606 , 973373917 , 6099191124 , 8206132788
n×2
42663314
n×3
63994971
n×4
85326628
n×5
106658285
n÷2
10665828.5
n÷3
7110552.3333333
n÷3
5332914.25
n÷5
4266331.4
n2
455039590365649
n3
9.7067484631005E+21
n4
2.0706102880014E+29
n5
4.4169548444317E+36
2 √n
4618.6206815455
3 √n
277.33724514612
4 √n
67.960434677432
5 √n
29.228391668338
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21331658
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10665829
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4618.6207898029
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999062426
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21331657 can be divided by 2 positive divisors.
The sum of these divisors (counting 21331657) is 21331658, the average is 10665829.
Base
System
Value
2
Binary
1010001010111111011001001
3
Ternary
1111010202112101
4
Quaternary
1101113323021
5
Quinary
20430103112
6
Senary
2041113401
8
Octal
121277311
10
Decimal
21331657
12
Duodecimal
7188861
16
Hexadecimal
1457ec9
20
Vigesimal
6d692h
36
Base36
cp7m1
md5
e23f61b46ac0c17d2fdf49875780d525
sha1
c110e94fbc9c87a1d70d92794ca515773623ea3d
sha256
1e844b7f9ae30622ef6269407c1195f58787ee4813433503b65f8a6d9f99ec4f
sha512
73dd86b4d2ed38976be7a2fb12890e3d85e28ad7467193726a59f09fb58f2e2fa1159fb0c5c73ddc86e13d4ae53b30f5aafe4a456c0e67023e9bd870fc399945
ripemd-160
bd19caae84ad691e00b175d9e42bc79a5f2023fe
Diameter
42663314
Circumference
134030753.84019
Area
1.4295490341852E+15
Volume
4.0659532882561E+22
Surface area
5.7181961367409E+15
Circumference
134030753.84019
Perimeter
85326628
Area
455039590365649
Diagonal
30167518.637291
Surface area
2730237542193894
Volume
9.7067484631005E+21
Space diagonal
36947513.733632
Perimeter
63994971
Area
1.9703792249216E+14
Altitude
18473756.866816
Surface area
1.9703792249216E+14
Volume
1.1439512769217E+21
Height
10055839.545764