77988081 is an odd 8-digits composite number following 77988080
and preceding 77988082 . In scientific notation, it is written as 7.7988081 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 51992052 positive integers (up to 77988081) that are relatively prime to 77988081.
77988081 has 4 divisors, whose sum is 103984112
The reverse of 77988081 is 18088977
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-seven million nine hundred eighty-eight thousand eighty-one
Scientific notation
7.7988081 × 10^7
Engineering notation
7.7988081 × 10^6
Prime Factorization
3 × 25996027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77988081
Product of the distinct prime numbers
The prime factorization of 77988081 is 3 × 25996027.
Since it has a total of 2 prime factors.
1 , 1 , 20 , 34 , 730 , 525 , 7281 , 2623 , 98816 , 38041 , 66076 , 589590 , 9367539 , 2097674 , 89445344 , 35308944 , 324371025 , 603777923 , 8818525030 , 3003570928
n×2
155976162
n×3
233964243
n×4
311952324
n×5
389940405
n÷2
38994040.5
n÷3
25996027
n÷3
19497020.25
n÷5
15597616.2
n2
6082140778062561
n3
4.7433448765295E+23
n4
3.6992436444171E+31
n5
2.8849691297954E+39
2 √n
8831.0860600495
3 √n
427.24410389073
4 √n
93.973858386519
5 √n
37.879622896597
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
-77988080
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 77988081 can be divided by 4 positive divisors.
The sum of these divisors (counting 77988081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001100000000011110001
3
Ternary
12102202012112110
4
Quaternary
10221200003301
5
Quinary
124431104311
6
Senary
11423315533
8
Octal
451400361
10
Decimal
77988081
12
Duodecimal
2214bba9
16
Hexadecimal
4a600f1
20
Vigesimal
1478a41
36
Base36
1afjzl
md5
3e4ae2062c387d1312816f3049612768
sha1
483bf309aa8204767dd5eb73412bb6743d420936
sha256
8b5544d8716a0a25beb069a1ef4cc1cd24ff57b4edb717a13b78f153727686e9
sha512
4c69552c3cf0a2ffe2fec47446b95ea3f33296b307c52425ad8bb0edf958389486b19f9434f6734693dcab2d0af8896c426e729e3da283684f78db885c4453cb
ripemd-160
4c05d329178652ffc37f2efacd7839f8cc3c3fd8
Diameter
155976162
Circumference
490013564.67433
Area
1.910760878646E+16
Volume
1.986887655673E+24
Surface area
7.6430435145841E+16
Circumference
490013564.67433
Perimeter
311952324
Area
6082140778062561
Diagonal
110291801.85365
Surface area
36492844668375366
Volume
4.7433448765295E+23
Space diagonal
135079318.6768
Perimeter
233964243
Area
2.6336442115977E+15
Altitude
67539659.338399
Surface area
2.6336442115977E+15
Volume
5.5900855461674E+22
Height
36763933.951217