20921271 is an odd 8-digits composite number following 20921270
and preceding 20921272 . In scientific notation, it is written as 2.0921271 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11251584 positive integers (up to 20921271) that are relatively prime to 20921271.
20921271 has 8 divisors, whose sum is 23207184
The reverse of 20921271 is 17212902
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million nine hundred twenty-one thousand two hundred seventy-one
Scientific notation
2.0921271 × 10^7
Engineering notation
2.0921271 × 10^6
Prime Factorization
21 × 17 × 58603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921271
Product of the distinct prime numbers
The prime factorization of 20921271 is 21 × 17 × 58603.
Since it has a total of 3 prime factors.
1 , 8 , 83 , 61 , 400 , 459 , 7875 , 623 , 83646 , 68670 , 467120 , 3210 , 8902891 , 4004857 , 68682163 , 62817631 , 822856863 , 398928288 , 3537852143 , 2150071077
n×2
41842542
n×3
62763813
n×4
83685084
n×5
104606355
n÷2
10460635.5
n÷3
6973757
n÷3
5230317.75
n÷5
4184254.2
n2
437699580255441
n3
9.1572315351103E+21
n4
1.9158092255579E+29
n5
4.0081163992197E+36
2 √n
4573.9775906753
3 √n
275.54721232856
4 √n
67.631188002839
5 √n
29.11505487675
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921270
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921271 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921271) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011101110110111
3
Ternary
1110100220120220
4
Quaternary
1033303232313
5
Quinary
20323440041
6
Senary
2024225423
8
Octal
117635667
10
Decimal
20921271
12
Duodecimal
700b273
16
Hexadecimal
13f3bb7
20
Vigesimal
6af33b
36
Base36
cgeyf
md5
d3e14efb70ef2035e5a3d5ff351f409e
sha1
8805a2dde5d0543b63e1b348c0dbee2a75a83df4
sha256
128273457162546796a21bba5a73e0d61752bd315db3276c9ec58ebc0754a15d
sha512
f9528ee71978a30d3a6ffa5658612a98655bec83357ac9c911542eb529b6953fb54388730e14d06d3242dfb75a6ebe1ccc08293369fb9af4b75dc68e02114183
ripemd-160
be5ccd2cbe1dd259374e9a01a047cf7b6bc43aa4
Diameter
41842542
Circumference
131452222.55472
Area
1.3750737858098E+15
Volume
3.8357721757231E+22
Surface area
5.5002951432393E+15
Circumference
131452222.55472
Perimeter
83685084
Area
437699580255441
Diagonal
29587145.190283
Surface area
2626197481532646
Volume
9.1572315351103E+21
Space diagonal
36236704.330917
Perimeter
62763813
Area
1.895294778635E+14
Altitude
18118352.165459
Surface area
1.895294778635E+14
Volume
1.0791900858953E+21
Height
9862381.7300943