21686795 is an odd 8-digits composite number following 21686794
and preceding 21686796 . In scientific notation, it is written as 2.1686795 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 15959424 positive integers (up to 21686795) that are relatively prime to 21686795.
21686795 has 16 divisors, whose sum is 28123200
The reverse of 21686795 is 59768612
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million six hundred eighty-six thousand seven hundred ninety-five
Scientific notation
2.1686795 × 10^7
Engineering notation
2.1686795 × 10^6
Prime Factorization
13 × 5 × 557 × 599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21686795
Product of the distinct prime numbers
The prime factorization of 21686795 is 13 × 5 × 557 × 599.
Since it has a total of 4 prime factors.
1 , 6 , 26 , 45 , 783 , 845 , 2457 , 1139 , 95195 , 86920 , 442455 , 346388 , 1149929 , 1434725 , 14880587 , 59817767 , 654528845 , 311799615 , 6380154446 , 2144983519
n×2
43373590
n×3
65060385
n×4
86747180
n×5
108433975
n÷2
10843397.5
n÷3
7228931.6666667
n÷3
5421698.75
n÷5
4337359
n2
470317077372025
n3
1.0199670041966E+22
n4
2.2119815326776E+29
n5
4.7970790042966E+36
2 √n
4656.9083091682
3 √n
278.86785621386
4 √n
68.241543865656
5 √n
29.325071173273
1 , 5 , 13 , 65 , 557 , 599 , 2785 , 2995 , 7241 , 7787 , 36205 , 38935 , 333643 , 1668215 , 4337359 , 21686795
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21686794
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21686795 can be divided by 16 positive divisors.
The sum of these divisors (counting 21686795) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101110101000001011
3
Ternary
1111210210200122
4
Quaternary
1102232220023
5
Quinary
21022434140
6
Senary
2052453455
8
Octal
122565013
10
Decimal
21686795
12
Duodecimal
731a28b
16
Hexadecimal
14aea0b
20
Vigesimal
6fagjf
36
Base36
cwtmz
md5
1d188d3f21af1a1a75cc7e3bec1ca015
sha1
2609527518479e89c83a6134d723840d768ec526
sha256
cc99bade2d660b990f56b7a93cf02d2ceb3205e7b6f43df9705cfe8c59c81fba
sha512
49d00640fecb18e2829dab1874038ee4e9e2f6d25e86e280ec1467feac5eac0f6728b97c291bfee0d406e35f25fdc096710a3eb16b81448fa2aeae31eecb9f8a
ripemd-160
328f436063d188cec09139f9558bbc18a01dba68
Diameter
43373590
Circumference
136262151.70382
Area
1.4775446751298E+15
Volume
4.2724277963841E+22
Surface area
5.9101787005191E+15
Circumference
136262151.70382
Perimeter
86747180
Area
470317077372025
Diagonal
30669759.613405
Surface area
2821902464232150
Volume
1.0199670041966E+22
Space diagonal
37562630.793331
Perimeter
65060385
Area
2.0365326841891E+14
Altitude
18781315.396665
Surface area
2.0365326841891E+14
Volume
1.2020426420899E+21
Height
10223253.204468