21771382 is an even 8-digits composite number following 21771381
and preceding 21771383 . In scientific notation, it is written as 2.1771382 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10723152 positive integers (up to 21771382) that are relatively prime to 21771382.
21771382 has 8 divisors, whose sum is 33144696
The reverse of 21771382 is 28317712
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million seven hundred seventy-one thousand three hundred eighty-two
Scientific notation
2.1771382 × 10^7
Engineering notation
2.1771382 × 10^6
Prime Factorization
2 × 67 × 162473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21771382
Product of the distinct prime numbers
The prime factorization of 21771382 is 2 × 67 × 162473.
Since it has a total of 3 prime factors.
10 , 7 , 84 , 21 , 825 , 55 , 3373 , 1744 , 86207 , 24759 , 305262 , 630029 , 3055943 , 2377810 , 59718454 , 23834207 , 654148516 , 464933117 , 8626214041 , 8379559340
n×2
43542764
n×3
65314146
n×4
87085528
n×5
108856910
n÷2
10885691
n÷3
7257127.3333333
n÷3
5442845.5
n÷5
4354276.4
n2
473993074189924
n3
1.0319484283543E+22
n4
2.2466943438001E+29
n5
4.8913640796112E+36
2 √n
4665.981354442
3 √n
279.22995049566
4 √n
68.307988950356
5 √n
29.347911420784
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
-21771381
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 21771382 can be divided by 8 positive divisors.
The sum of these divisors (counting 21771382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011000011010001110110
3
Ternary
1111222002201111
4
Quaternary
1103003101312
5
Quinary
21033141012
6
Senary
2054345234
8
Octal
123032166
10
Decimal
21771382
12
Duodecimal
735b21a
16
Hexadecimal
14c3476
20
Vigesimal
6g1892
36
Base36
cymwm
md5
a4909240f1ab37c2dd9e9d4d244746ef
sha1
174bf4c78354e7cfdea06efb7778bc8463342b16
sha256
c9807814fd55ecbb56655675dd951ed5f812b4dc2f5257cb59cf11b8adf1ee9a
sha512
9ab3da517a4fc3c00b022ccaf6852fba54ca13b3426f485072d5e23ad4d8b6f1f729a0cb0f8917aa1163ba153e5cd3a083fda9d93037deaba9dcd8617e4a7738
ripemd-160
fcf7ea69a056a22668036fb0161e318e6bbb64c3
Diameter
43542764
Circumference
136793627.49939
Area
1.4890931597275E+15
Volume
4.3226154685353E+22
Surface area
5.95637263891E+15
Circumference
136793627.49939
Perimeter
87085528
Area
473993074189924
Diagonal
30789383.696005
Surface area
2843958445139544
Volume
1.0319484283543E+22
Space diagonal
37709139.774991
Perimeter
65314146
Area
2.0524502173318E+14
Altitude
18854569.887495
Surface area
2.0524502173318E+14
Volume
1.2161628858736E+21
Height
10263127.898668