20921876 is an even 8-digits composite number following 20921875
and preceding 20921877 . In scientific notation, it is written as 2.0921876 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 10100160 positive integers (up to 20921876) that are relatively prime to 20921876.
20921876 has 12 divisors, whose sum is 37876020
The reverse of 20921876 is 67812902
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred twenty-one thousand eight hundred seventy-six
Scientific notation
2.0921876 × 10^7
Engineering notation
2.0921876 × 10^6
Prime Factorization
2 × 2 × 29 × 180361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10460938
Product of the distinct prime numbers
The prime factorization of 20921876 is 2 × 2 × 29 × 180361.
Since it has a total of 4 prime factors.
4 , 1 , 18 , 64 , 531 , 136 , 8373 , 1119 , 2591 , 66906 , 412026 , 797286 , 4676510 , 283591 , 75440677 , 376374 , 386078143 , 100137610 , 4651375986 , 2758125614
n×2
41843752
n×3
62765628
n×4
83687504
n×5
104609380
n÷2
10460938
n÷3
6973958.6666667
n÷3
5230469
n÷5
4184375.2
n2
437724895359376
n3
9.1580259828218E+21
n4
1.9160308401738E+29
n5
4.0086959650291E+36
2 √n
4574.0437251955
3 √n
275.54986838862
4 √n
67.631676936148
5 √n
29.115223264268
1 , 2 , 4 , 29 , 58 , 116 , 180361 , 360722 , 721444 , 5230469 , 10460938 , 20921876
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921875
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921876 can be divided by 12 positive divisors.
The sum of these divisors (counting 20921876) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111110011111000010100
3
Ternary
1110100221102022
4
Quaternary
1033303320110
5
Quinary
20324000001
6
Senary
2024232312
8
Octal
117637024
10
Decimal
20921876
12
Duodecimal
700b698
16
Hexadecimal
13f3e14
20
Vigesimal
6af4dg
36
Base36
cgff8
md5
19c562e3bb02cec80b49636b34929a86
sha1
011faee39c692eacf68b50300b282e77e6df6daf
sha256
6afc082e0ae4563959d79f8e5b66428a584a0b237f5199cbdab986050e6f3f8a
sha512
5ed2dd18ff66cf60ed6be5b5c1b6535e613dff1c295b676b0d1ee943ae034ce4952f8b82ce088fa833bd2a2755d27b4630312342832f72ce2edf1000766b6d8c
ripemd-160
a2949a23b49b4fd5ef18556196f1cf5b71edc7e2
Diameter
41843752
Circumference
131456023.88183
Area
1.3751533155544E+15
Volume
3.8361049532023E+22
Surface area
5.5006132622175E+15
Circumference
131456023.88183
Perimeter
83687504
Area
437724895359376
Diagonal
29588000.789488
Surface area
2626349372156256
Volume
9.1580259828218E+21
Space diagonal
36237752.221656
Perimeter
62765628
Area
1.8954043962505E+14
Altitude
18118876.110828
Surface area
1.8954043962505E+14
Volume
1.079283712456E+21
Height
9862666.9298294