20921435 is an odd 8-digits composite number following 20921434
and preceding 20921436 . In scientific notation, it is written as 2.0921435 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 15603840 positive integers (up to 20921435) that are relatively prime to 20921435.
20921435 has 24 divisors, whose sum is 26895744
The reverse of 20921435 is 53412902
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million nine hundred twenty-one thousand four hundred thirty-five
Scientific notation
2.0921435 × 10^7
Engineering notation
2.0921435 × 10^6
Prime Factorization
5 × 73 × 43 × 43 × 31
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
486545
Product of the distinct prime numbers
The prime factorization of 20921435 is 5 × 73 × 43 × 43 × 31.
Since it has a total of 5 prime factors.
3 , 2 , 47 , 35 , 443 , 354 , 2897 , 2650 , 24380 , 5279 , 441344 , 973244 , 6322792 , 6227516 , 836568 , 50528901 , 429945023 , 619870577 , 179731993 , 4560164360
n×2
41842870
n×3
62764305
n×4
83685740
n×5
104607175
n÷2
10460717.5
n÷3
6973811.6666667
n÷3
5230358.75
n÷5
4184287
n2
437706442459225
n3
9.1574468849919E+21
n4
1.9158692977031E+29
n5
4.0082734980391E+36
2 √n
4573.9955181438
3 √n
275.54793232345
4 √n
67.63132054118
5 √n
29.115100522677
1 , 5 , 31 , 43 , 73 , 155 , 215 , 365 , 1333 , 1849 , 2263 , 3139 , 6665 , 9245 , 11315 , 15695 , 57319 , 97309 , 134977 , 286595 , 486545 , 674885 , 4184287 , 20921435
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921434
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921435 can be divided by 24 positive divisors.
The sum of these divisors (counting 20921435) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110011110001011011
3
Ternary
1110100220210222
4
Quaternary
1033303301123
5
Quinary
20323441220
6
Senary
2024230255
8
Octal
117636133
10
Decimal
20921435
12
Duodecimal
700b38b
16
Hexadecimal
13f3c5b
20
Vigesimal
6af3bf
36
Base36
cgf2z
md5
f34012b67d24d6cd39fa81fe2c32f1e7
sha1
d10ee703ade981f89e1e2805d0c8f6eccec1ebbd
sha256
f95c7e9293282a839c80cecb9fb5902c8dc4ea6171320dbfbf5be325e1760807
sha512
8d206c1596dcf271b78b38da8a23c4152627f3960b5075898a26be103696277be79c5ecad19666c903d77ae0b0a0c3ce6409a1a6d0ae0b56341e61e0680303c4
ripemd-160
127a06e62e38d933f06f4be51c5e78404c7bd39c
Diameter
41842870
Circumference
131453252.99711
Area
1.3750953440588E+15
Volume
3.8358623812706E+22
Surface area
5.5003813762353E+15
Circumference
131453252.99711
Perimeter
83685740
Area
437706442459225
Diagonal
29587377.121307
Surface area
2626238654755350
Volume
9.1574468849919E+21
Space diagonal
36236988.38725
Perimeter
62764305
Area
1.895324492849E+14
Altitude
18118494.193625
Surface area
1.895324492849E+14
Volume
1.0792154651222E+21
Height
9862459.0404357