77697988 is an even 8-digits composite number following 77697987
and preceding 77697989 . In scientific notation, it is written as 7.7697988 × 10^7.
The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors.
There are 38316672 positive integers (up to 77697988) that are relatively prime to 77697988.
77697988 has 12 divisors, whose sum is 137834620
The reverse of 77697988 is 88979677
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-seven million six hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
7.7697988 × 10^7
Engineering notation
7.7697988 × 10^6
Prime Factorization
2 × 2 × 73 × 266089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38848994
Product of the distinct prime numbers
The prime factorization of 77697988 is 2 × 2 × 73 × 266089.
Since it has a total of 4 prime factors.
4 , 7 , 21 , 55 , 3 , 512 , 4108 , 9342 , 72788 , 13089 , 172117 , 383977 , 1649960 , 5810061 , 5180293 , 99670164 , 900259398 , 98214157 , 4668344372 , 7469213615
n×2
155395976
n×3
233093964
n×4
310791952
n×5
388489940
n÷2
38848994
n÷3
25899329.333333
n÷3
19424497
n÷5
15539597.6
n2
6036977339248144
n3
4.6906099286117E+23
n4
3.6445095394596E+31
n5
2.8317105846281E+39
2 √n
8814.6462209212
3 √n
426.71370439531
4 √n
93.886347361697
5 √n
37.851400635789
1 , 2 , 4 , 73 , 146 , 292 , 266089 , 532178 , 1064356 , 19424497 , 38848994 , 77697988
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
-77697987
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 77697988 can be divided by 12 positive divisors.
The sum of these divisors (counting 77697988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101000011001001111000100
3
Ternary
12102012110121021
4
Quaternary
10220121033010
5
Quinary
124342313423
6
Senary
11413200524
8
Octal
450311704
10
Decimal
77697988
12
Duodecimal
22030144
16
Hexadecimal
4a193c4
20
Vigesimal
145c4j8
36
Base36
1a9c5g
md5
d917b3cc130521944cd71e9c79c61ce6
sha1
3c328ba5bc5e0953e4a1a58246b2ffb994201d42
sha256
f9429fe1c27b6e53b8fcc782b235c289b7a1bdf55254cf182caa73b3515e9660
sha512
d72efe61ab497c6ee147492d54341eb1913c725a30cf60329bd4323514fcd7269463fd9d1b767f7c66b6c04793e3c3b9bc988d1dd0a3156bd906ae7a7bc6bcb6
ripemd-160
a8ad4c502580e06ad0d4c7a88953b75ccfad6da8
Diameter
155395976
Circumference
488190856.59902
Area
1.896572365887E+16
Volume
1.9647980923443E+24
Surface area
7.586289463548E+16
Circumference
488190856.59902
Perimeter
310791952
Area
6036977339248144
Diagonal
109881548.3987
Surface area
36221864035488864
Volume
4.6906099286117E+23
Space diagonal
134576862.86188
Perimeter
233093964
Area
2.6140878689299E+15
Altitude
67288431.430938
Surface area
2.6140878689299E+15
Volume
5.5279368140372E+22
Height
36627182.799567