21081024 is an even 8-digits composite number following 21081023
and preceding 21081025 . In scientific notation, it is written as 2.1081024 × 10^7.
The sum of its digits is 18. It has a total of 8 prime factors and 28 positive divisors.
There are 7026816 positive integers (up to 21081024) that are relatively prime to 21081024.
21081024 has 28 divisors, whose sum is 46482000
The reverse of 21081024 is 42018012
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million eighty-one thousand twenty-four
Scientific notation
2.1081024 × 10^7
Engineering notation
2.1081024 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 9 × 36599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
658782
Product of the distinct prime numbers
The prime factorization of 21081024 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 36599.
Since it has a total of 8 prime factors.
10 , 1 , 88 , 89 , 428 , 332 , 3411 , 1911 , 20519 , 51850 , 473196 , 503215 , 791656 , 3563029 , 61104596 , 10215501 , 723691108 , 516127084 , 7825620436 , 2769978090
n×2
42162048
n×3
63243072
n×4
84324096
n×5
105405120
n÷2
10540512
n÷3
7027008
n÷3
5270256
n÷5
4216204.8
n2
444409572888576
n3
9.3686088718938E+21
n4
1.9749986847501E+29
n5
4.1634994673185E+36
2 √n
4591.4076272969
3 √n
276.24678620095
4 √n
67.759926411537
5 √n
29.159383690116
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 64 , 72 , 144 , 288 , 576 , 36599 , 73198 , 146396 , 292792 , 329391 , 585584 , 658782 , 1171168 , 1317564 , 2342336 , 2635128 , 5270256 , 10540512 , 21081024
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21081023
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21081024 can be divided by 28 positive divisors.
The sum of these divisors (counting 21081024) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010000011010101111000000
3
Ternary
1110200000201200
4
Quaternary
1100122233000
5
Quinary
20344043044
6
Senary
2031501200
8
Octal
120325700
10
Decimal
21081024
12
Duodecimal
7087800
16
Hexadecimal
141abc0
20
Vigesimal
6bf2b4
36
Base36
cju80
md5
9f5c83557cc3eb8e02fa35aab1afb2a7
sha1
917bed0968dd18747f840e3c3ceba5dde473cbba
sha256
a226fd6a8c449923d506715a0c1bbb90e54fb9a186c9f3ba0bcfd63165c987d7
sha512
c239ec4ffe820abfba7c9ecd3aaf3ff9a2fa53f2c70cbe4fb7ac28c1a15835f162daf090ac998404b316cda45f338954ec24787cd9cd1cf2e5a846e8e97da6a1
ripemd-160
75022822b54babe720de5da1f74daa93fa33035e
Diameter
42162048
Circumference
132455980.2571
Area
1.3961538493717E+15
Volume
3.9243137075064E+22
Surface area
5.5846153974869E+15
Circumference
132455980.2571
Perimeter
84324096
Area
444409572888576
Diagonal
29813070.049513
Surface area
2666457437331456
Volume
9.3686088718938E+21
Space diagonal
36513404.643579
Perimeter
63243072
Area
1.9243498990325E+14
Altitude
18256702.321789
Surface area
1.9243498990325E+14
Volume
1.1041011439334E+21
Height
9937690.0165042