77697978 is an even 8-digits composite number following 77697977
and preceding 77697979 . In scientific notation, it is written as 7.7697978 × 10^7.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 25865696 positive integers (up to 77697978) that are relatively prime to 77697978.
77697978 has 16 divisors, whose sum is 155597760
The reverse of 77697978 is 87979677
Previous prime number is 809
Is Prime? no
Number parity even
Number length 8
Sum of Digits 60
Digital Root 6
Name
seventy-seven million six hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
7.7697978 × 10^7
Engineering notation
7.7697978 × 10^6
Prime Factorization
2 × 3 × 809 × 16007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77697978
Product of the distinct prime numbers
The prime factorization of 77697978 is 2 × 3 × 809 × 16007.
Since it has a total of 4 prime factors.
2 , 4 , 34 , 84 , 581 , 294 , 904 , 6670 , 68914 , 42927 , 924432 , 843727 , 4285864 , 7499854 , 64572508 , 13717273 , 39547173 , 57804049 , 9464135725 , 652651118
n×2
155395956
n×3
233093934
n×4
310791912
n×5
388489890
n÷2
38848989
n÷3
25899326
n÷3
19424494.5
n÷5
15539595.6
n2
6036975785288484
n3
4.6906081175188E+23
n4
3.644507663216E+31
n5
2.8317087623738E+39
2 √n
8814.6456536834
3 √n
426.7136860888
4 √n
93.886344340822
5 √n
37.851399661467
1 , 2 , 3 , 6 , 809 , 1618 , 2427 , 4854 , 16007 , 32014 , 48021 , 96042 , 12949663 , 25899326 , 38848989 , 77697978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77697977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77697978 can be divided by 16 positive divisors.
The sum of these divisors (counting 77697978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000011001001110111010
3
Ternary
12102012110120220
4
Quaternary
10220121032322
5
Quinary
124342313403
6
Senary
11413200510
8
Octal
450311672
10
Decimal
77697978
12
Duodecimal
22030136
16
Hexadecimal
4a193ba
20
Vigesimal
145c4ii
36
Base36
1a9c56
md5
ec7ac4e54acba0f8aeaea2c50570fa5e
sha1
01c9ef3843d7e5fd57ef025303940b1a0d2ed666
sha256
0d88511c5cce5b36472f702c1e12f8e194bd6246ee2dcda511fc6b279fbfa115
sha512
a761549003821e930b94d18e1f422d67c91f5c625b65005a684924cbb12a104340074ee507ccbd860e6582d12ba27f051c7e57422e2a7d6dee6a813b2b215033
ripemd-160
e9924e309606e02895b1a8e8cb1718cc21bab12f
Diameter
155395956
Circumference
488190793.76716
Area
1.8965718776962E+16
Volume
1.9647973337154E+24
Surface area
7.5862875107847E+16
Circumference
488190793.76716
Perimeter
310791912
Area
6036975785288484
Diagonal
109881534.25657
Surface area
36221854711730904
Volume
4.6906081175188E+23
Space diagonal
134576845.54137
Perimeter
233093934
Area
2.6140871960457E+15
Altitude
67288422.770684
Surface area
2.6140871960457E+15
Volume
5.5279346796437E+22
Height
36627178.085522