21821707 is an odd 8-digits prime number following 21821706
and preceding 21821708 . In scientific notation, it is written as 2.1821707 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21821706 positive integers (up to 21821707) that are relatively prime to 21821707.
21821707 has 2 divisors, whose sum is 21821708
The reverse of 21821707 is 70712812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred twenty-one thousand seven hundred seven
Scientific notation
2.1821707 × 10^7
Engineering notation
2.1821707 × 10^6
Prime Factorization
21821707
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21821707
Product of the distinct prime numbers
The prime factorization of 21821707 is 21821707.
Since it has a total of 1 prime factors.
5 , 7 , 70 , 81 , 993 , 921 , 1479 , 1860 , 71925 , 91621 , 714741 , 451433 , 4722774 , 9825380 , 61474971 , 71449856 , 967795967 , 8924980 , 9215928758 , 5737906699
n×2
43643414
n×3
65465121
n×4
87286828
n×5
109108535
n÷2
10910853.5
n÷3
7273902.3333333
n÷3
5455426.75
n÷5
4364341.4
n2
476186896393849
n3
1.0391210930346E+22
n4
2.2675396029721E+29
n5
4.9481584826953E+36
2 √n
4671.3709978977
3 √n
279.44493353759
4 √n
68.347428612185
5 √n
29.36146655429
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21821708
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10910854
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4671.3711049327
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999083481
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21821707 can be divided by 2 positive divisors.
The sum of these divisors (counting 21821707) is 21821708, the average is 10910854.
Base
System
Value
2
Binary
1010011001111100100001011
3
Ternary
1112001122202101
4
Quaternary
1103033210023
5
Quinary
21041243312
6
Senary
2055414231
8
Octal
123174413
10
Decimal
21821707
12
Duodecimal
7384377
16
Hexadecimal
14cf90b
20
Vigesimal
6g7e57
36
Base36
czpqj
md5
1f5e9ab7ea5fc2011c83d5066766aab3
sha1
6dfe54d8e2d72c5057e03b5f5382204a9e99091e
sha256
96a1eebad9cff9a863843e7a99b1db896a9e35d90cae8dd2a7450feee60c4495
sha512
b4622b4acf594ea0c647698425fa23015cbebf32ab5987f5c4eeb45f037b040ffd23f3901381a53e6d28251e556a405a1a8c8c8338270bc7177977d2968d0cfd
ripemd-160
f30d4ab11dee573ff5cb9ba248bb568df9706bc9
Diameter
43643414
Circumference
137109828.79998
Area
1.4959852554466E+15
Volume
4.3526602560902E+22
Surface area
5.9839410217866E+15
Circumference
137109828.79998
Perimeter
87286828
Area
476186896393849
Diagonal
30860553.993532
Surface area
2857121378363094
Volume
1.0391210930346E+22
Space diagonal
37796305.231881
Perimeter
65465121
Area
2.0619497461317E+14
Altitude
18898152.615941
Surface area
2.0619497461317E+14
Volume
1.2246159522646E+21
Height
10286851.331177