77956821 is an odd 8-digits composite number following 77956820
and preceding 77956822 . In scientific notation, it is written as 7.7956821 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 49711464 positive integers (up to 77956821) that are relatively prime to 77956821.
77956821 has 12 divisors, whose sum is 117500448
The reverse of 77956821 is 12865977
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-seven million nine hundred fifty-six thousand eight hundred twenty-one
Scientific notation
7.7956821 × 10^7
Engineering notation
7.7956821 × 10^6
Prime Factorization
3 × 3 × 23 × 376603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25985607
Product of the distinct prime numbers
The prime factorization of 77956821 is 3 × 3 × 23 × 376603.
Since it has a total of 4 prime factors.
1 , 4 , 14 , 78 , 217 , 289 , 2661 , 8928 , 78440 , 44364 , 554503 , 255625 , 6848790 , 7099749 , 83281188 , 69671914 , 252538913 , 286913592 , 4167387395 , 2191034583
n×2
155913642
n×3
233870463
n×4
311827284
n×5
389784105
n÷2
38978410.5
n÷3
25985607
n÷3
19489205.25
n÷5
15591364.2
n2
6077265940426041
n3
4.7376433308719E+23
n4
3.6933161310662E+31
n5
2.8791918452594E+39
2 √n
8829.3159984225
3 √n
427.18701210882
4 √n
93.964440074012
5 √n
37.876585748114
1 , 3 , 9 , 23 , 69 , 207 , 376603 , 1129809 , 3389427 , 8661869 , 25985607 , 77956821
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77956820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77956821 can be divided by 12 positive divisors.
The sum of these divisors (counting 77956821) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101001011000011011010101
3
Ternary
12102200121122200
4
Quaternary
10221120123111
5
Quinary
124424104241
6
Senary
11422515113
8
Octal
451303325
10
Decimal
77956821
12
Duodecimal
22135a99
16
Hexadecimal
4a586d5
20
Vigesimal
1474c11
36
Base36
1aevv9
md5
d51a3745cf2a9bdef69a960238889589
sha1
ac88a41f7010c81cef04a93d9016230cbf81a874
sha256
a3dc5bedc52721fd319ef16d6567e353655469f63eece15c7e2b3f8a909ffcfe
sha512
57f6bb53cfba3242f68bd548a014b999bde5054ede953e8397fb1c3bc41b0a32bbfaaee4fcf5e6442b1d76e988f67bfdcdf2da74fa3cc106f697128707d52473
ripemd-160
b907fb7da0f54ff357ef4dbd58223b66a9919d20
Diameter
155913642
Circumference
489817152.30163
Area
1.9092294032354E+16
Volume
1.9844993978128E+24
Surface area
7.6369176129416E+16
Circumference
489817152.30163
Perimeter
311827284
Area
6077265940426041
Diagonal
110247593.53769
Surface area
36463595642556246
Volume
4.7376433308719E+23
Space diagonal
135025174.76855
Perimeter
233870463
Area
2.6315333449814E+15
Altitude
67512587.384276
Surface area
2.6315333449814E+15
Volume
5.5833662101712E+22
Height
36749197.845897