77771221 is an odd 8-digits composite number following 77771220
and preceding 77771222 . In scientific notation, it is written as 7.7771221 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 70701100 positive integers (up to 77771221) that are relatively prime to 77771221.
77771221 has 4 divisors, whose sum is 84841344
The reverse of 77771221 is 12217777
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-seven million seven hundred seventy-one thousand two hundred twenty-one
Scientific notation
7.7771221 × 10^7
Engineering notation
7.7771221 × 10^6
Prime Factorization
11 × 7070111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77771221
Product of the distinct prime numbers
The prime factorization of 77771221 is 11 × 7070111.
Since it has a total of 2 prime factors.
5 , 10 , 90 , 56 , 453 , 495 , 3261 , 8011 , 34398 , 2186 , 172700 , 704480 , 706072 , 7191148 , 7562004 , 88888919 , 965530622 , 314667663 , 1399398166 , 5113493125
n×2
155542442
n×3
233313663
n×4
311084884
n×5
388856105
n÷2
38885610.5
n÷3
25923740.333333
n÷3
19442805.25
n÷5
15554244.2
n2
6048362815830841
n3
4.7038856123816E+23
n4
3.6582692751925E+31
n5
2.8450806827851E+39
2 √n
8818.7992946886
3 √n
426.84772636397
4 √n
93.908462316708
5 √n
37.858533194079
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
-77771220
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 77771221 can be divided by 4 positive divisors.
The sum of these divisors (counting 77771221) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101000101011000111010101
3
Ternary
12102100012001121
4
Quaternary
10220223013111
5
Quinary
124402134341
6
Senary
11414523541
8
Octal
450530725
10
Decimal
77771221
12
Duodecimal
220665b1
16
Hexadecimal
4a2b1d5
20
Vigesimal
1461811
36
Base36
1aawnp
md5
7c77cf2732649d76955c34579fe2ae50
sha1
c1f0ee17ce4c2a29bd2a2b8c2f534f349af97252
sha256
11b87706487a22ce15a1f711e81be5aaf0ae43c372b019c14c2953e147c70901
sha512
73806ab4ee1d500f2bd8a00db2bf5516a8e8fab7d14d8eb4a719d55bf9cb82e98a04d08fbeb667904b76a24bb9e9369dce4bdb279da8aaaf3905c608438ac325
ripemd-160
1cfb8441897dfa93411e0cb3398250d9a04a3579
Diameter
155542442
Circumference
488650993.10862
Area
1.900149218846E+16
Volume
1.970358997758E+24
Surface area
7.6005968753839E+16
Circumference
488650993.10862
Perimeter
311084884
Area
6048362815830841
Diagonal
109985115.50052
Surface area
36290176894985046
Volume
4.7038856123816E+23
Space diagonal
134703706.13867
Perimeter
233313663
Area
2.6190179249073E+15
Altitude
67351853.069334
Surface area
2.6190179249073E+15
Volume
5.5435823574015E+22
Height
36661705.166838