77897989 is an odd 8-digits composite number following 77897988
and preceding 77897990 . In scientific notation, it is written as 7.7897989 × 10^7.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 71905824 positive integers (up to 77897989) that are relatively prime to 77897989.
77897989 has 4 divisors, whose sum is 83890156
The reverse of 77897989 is 98979877
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
seventy-seven million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
7.7897989 × 10^7
Engineering notation
7.7897989 × 10^6
Prime Factorization
13 × 5992153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77897989
Product of the distinct prime numbers
The prime factorization of 77897989 is 13 × 5992153.
Since it has a total of 2 prime factors.
7 , 7 , 26 , 66 , 796 , 758 , 4398 , 9359 , 1342 , 14340 , 840049 , 532021 , 7702837 , 9828486 , 98219240 , 76043248 , 683714180 , 380997533 , 5326417575 , 4657676872
n×2
155795978
n×3
233693967
n×4
311591956
n×5
389489945
n÷2
38948994.5
n÷3
25965996.333333
n÷3
19474497.25
n÷5
15579597.8
n2
6068096690244121
n3
4.7269252922757E+23
n4
3.6821797442152E+31
n5
2.868343972109E+39
2 √n
8825.9837412042
3 √n
427.07952272838
4 √n
93.946706920488
5 √n
37.870867125313
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
-77897988
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 77897989 can be divided by 4 positive divisors.
The sum of these divisors (counting 77897989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001001010000100000101
3
Ternary
12102120121221201
4
Quaternary
10221022010011
5
Quinary
124420213424
6
Senary
11421342501
8
Octal
451120405
10
Decimal
77897989
12
Duodecimal
22107a31
16
Hexadecimal
4a4a105
20
Vigesimal
146h4j9
36
Base36
1admh1
md5
9e19666876b1bd9abe8f0a84a446514d
sha1
51b350d78a92858af83dfe660df14a3def0e5d21
sha256
40541f21ba0a916dac090020819601b04c6f0407b6bc04d0a72960b7491b8737
sha512
d4973de25db50222818cb65274c72905a7492a8fbae5c24897ffea33b055042f85365c824084ed1549b6073fb97a798f99f876f6482e4ce3378790a35629b557
ripemd-160
b87012b4668a8fb2e1fb4ec82565f04330e24f7b
Diameter
155795978
Circumference
489447499.94364
Area
1.9063487983343E+16
Volume
1.9800098363042E+24
Surface area
7.6253951933374E+16
Circumference
489447499.94364
Perimeter
311591956
Area
6068096690244121
Diagonal
110164392.52539
Surface area
36408580141464726
Volume
4.7269252922757E+23
Space diagonal
134923274.75544
Perimeter
233693967
Area
2.6275629431858E+15
Altitude
67461637.377721
Surface area
2.6275629431858E+15
Volume
5.5707348805506E+22
Height
36721464.17513