21969946 is an even 8-digits composite number following 21969945
and preceding 21969947 . In scientific notation, it is written as 2.1969946 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 10984972 positive integers (up to 21969946) that are relatively prime to 21969946.
21969946 has 4 divisors, whose sum is 32954922
The reverse of 21969946 is 64996912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million nine hundred sixty-nine thousand nine hundred forty-six
Scientific notation
2.1969946 × 10^7
Engineering notation
2.1969946 × 10^6
Prime Factorization
2 × 10984973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21969946
Product of the distinct prime numbers
The prime factorization of 21969946 is 2 × 10984973.
Since it has a total of 2 prime factors.
6 , 1 , 77 , 70 , 109 , 15 , 1766 , 6741 , 73829 , 14307 , 139849 , 243650 , 567825 , 2857751 , 48176178 , 40268134 , 302693802 , 415658196 , 2828965781 , 414974575
n×2
43939892
n×3
65909838
n×4
87879784
n×5
109849730
n÷2
10984973
n÷3
7323315.3333333
n÷3
5492486.5
n÷5
4393989.2
n2
482678527242916
n3
1.0604421178886E+22
n4
2.3297856066139E+29
n5
5.1185263968885E+36
2 √n
4687.2108977515
3 √n
280.07628023754
4 √n
68.463208351285
5 √n
29.401250201237
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969946 can be divided by 4 positive divisors.
The sum of these divisors (counting 21969946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110011110000011010
3
Ternary
1112100012002201
4
Quaternary
1103303300122
5
Quinary
21111014241
6
Senary
2102520414
8
Octal
123636032
10
Decimal
21969946
12
Duodecimal
743610a
16
Hexadecimal
14f3c1a
20
Vigesimal
6h64h6
36
Base36
d2w4a
md5
d73cd747bb4da66f561cecd2c833b77d
sha1
09dcdff40e199d49c23022064c6f6209b27c2a72
sha256
88b8724ce32024f79346b72a824cd42f40951b1147f7c29d14dd30ce6d9878db
sha512
db2271a773c296e4be0c27eff61243728f372cda4f9a5cfc9ce0cf860158c2077b1d98a3b8a8167d535cdf69a84b970f85ef1bc56c36b0dfe52bf8dd429708ca
ripemd-160
06436451724cb6770407e5b81b6b53bb34b073ee
Diameter
43939892
Circumference
138041241.90673
Area
1.5163793152319E+15
Volume
4.4419695561549E+22
Surface area
6.0655172609275E+15
Circumference
138041241.90673
Perimeter
87879784
Area
482678527242916
Diagonal
31070195.597805
Surface area
2896071163457496
Volume
1.0604421178886E+22
Space diagonal
38053062.711545
Perimeter
65909838
Area
2.0900593322681E+14
Altitude
19026531.355772
Surface area
2.0900593322681E+14
Volume
1.2497430210248E+21
Height
10356731.865935