21761661 is an odd 8-digits composite number following 21761660
and preceding 21761662 . In scientific notation, it is written as 2.1761661 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14115600 positive integers (up to 21761661) that are relatively prime to 21761661.
21761661 has 8 divisors, whose sum is 29799904
The reverse of 21761661 is 16616712
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million seven hundred sixty-one thousand six hundred sixty-one
Scientific notation
2.1761661 × 10^7
Engineering notation
2.1761661 × 10^6
Prime Factorization
3 × 37 × 196051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21761661
Product of the distinct prime numbers
The prime factorization of 21761661 is 3 × 37 × 196051.
Since it has a total of 3 prime factors.
2 , 8 , 48 , 77 , 695 , 770 , 4827 , 3869 , 80025 , 48308 , 378715 , 370696 , 2955474 , 8418858 , 75460455 , 47019821 , 219136516 , 188506263 , 1823520551 , 4180138728
n×2
43523322
n×3
65284983
n×4
87046644
n×5
108808305
n÷2
10880830.5
n÷3
7253887
n÷3
5440415.25
n÷5
4352332.2
n2
473569889478921
n3
1.0305667394648E+22
n4
2.2426844022108E+29
n5
4.8804537690899E+36
2 √n
4664.9395494476
3 √n
279.18838525121
4 √n
68.300362732913
5 √n
29.34529016308
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
-21761660
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 21761661 can be divided by 8 positive divisors.
The sum of these divisors (counting 21761661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011000000111001111101
3
Ternary
1111221121101110
4
Quaternary
1103000321331
5
Quinary
21032333121
6
Senary
2054232233
8
Octal
123007175
10
Decimal
21761661
12
Duodecimal
7355679
16
Hexadecimal
14c0e7d
20
Vigesimal
6g0431
36
Base36
cyfel
md5
f83a40bcf686fcb8533c65633b9209be
sha1
1595039ae370ffe23274340c81672778c4aab7bc
sha256
f9bbe77d27f0be80d5f4bcfb7d8b3951339b96fc2241b8167176340fb2685719
sha512
f63e08a01ee161cba639650a95ac7806a307daf0da684257dfe47156baf69366a792125240fbabef0b62153f5e9a7d201a5b8a5fb35e8474fb47583d3ad47b6a
ripemd-160
65950a8a9e6bf783c44de903a2a4b0c6fb76b866
Diameter
43523322
Circumference
136732548.65502
Area
1.4877636857483E+15
Volume
4.3168278636487E+22
Surface area
5.9510547429932E+15
Circumference
136732548.65502
Perimeter
87046644
Area
473569889478921
Diagonal
30775636.125966
Surface area
2841419336873526
Volume
1.0305667394648E+22
Space diagonal
37692302.50909
Perimeter
65284983
Area
2.0506177737807E+14
Altitude
18846151.254545
Surface area
2.0506177737807E+14
Volume
1.2145345499014E+21
Height
10258545.375322