77897986 is an even 8-digits composite number following 77897985
and preceding 77897987 . In scientific notation, it is written as 7.7897986 × 10^7.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 36844848 positive integers (up to 77897986) that are relatively prime to 77897986.
77897986 has 16 divisors, whose sum is 123177600
The reverse of 77897986 is 68979877
Previous prime number is 1973
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-seven million eight hundred ninety-seven thousand nine hundred eighty-six
Scientific notation
7.7897986 × 10^7
Engineering notation
7.7897986 × 10^6
Prime Factorization
2 × 19 × 1973 × 1039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77897986
Product of the distinct prime numbers
The prime factorization of 77897986 is 2 × 19 × 1973 × 1039.
Since it has a total of 4 prime factors.
2 , 4 , 95 , 53 , 981 , 725 , 4922 , 6318 , 15406 , 42711 , 1843 , 40462 , 6587734 , 5288266 , 41850105 , 50324326 , 90616287 , 853150052 , 8270031924 , 5650740742
n×2
155795972
n×3
233693958
n×4
311591944
n×5
389489930
n÷2
38948993
n÷3
25965995.333333
n÷3
19474496.5
n÷5
15579597.2
n2
6068096222856196
n3
4.726924746147E+23
n4
3.6821791769842E+31
n5
2.868343419782E+39
2 √n
8825.9835712514
3 √n
427.07951724583
4 √n
93.946706015972
5 √n
37.870866833617
1 , 2 , 19 , 38 , 1039 , 1973 , 2078 , 3946 , 19741 , 37487 , 39482 , 74974 , 2049947 , 4099894 , 38948993 , 77897986
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
-77897985
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 77897986 can be divided by 16 positive divisors.
The sum of these divisors (counting 77897986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001001010000100000010
3
Ternary
12102120121221121
4
Quaternary
10221022010002
5
Quinary
124420213421
6
Senary
11421342454
8
Octal
451120402
10
Decimal
77897986
12
Duodecimal
22107a2a
16
Hexadecimal
4a4a102
20
Vigesimal
146h4j6
36
Base36
1admgy
md5
2f4dcb3389842674916ec93ae1dd3662
sha1
a9e8e64ced2bbaeb95adc0ab8d9a04cec3864dfd
sha256
bf415889bb90eae26d92a79140f2eac97bbe456645f00fe7368f3155b7a80061
sha512
481bd7ca7c3c3ac4b084bf2a8b5af707cc02886f42ce41b103dcaf4b30754059b5679c922fa9b7bb54f48cc15845be82fe608d3c03dd210674c8a5d58886d73d
ripemd-160
c7682b70abff46ab97ecd0c3b8572369082a85b6
Diameter
155795972
Circumference
489447481.09408
Area
1.9063486515001E+16
Volume
1.9800096075423E+24
Surface area
7.6253946060004E+16
Circumference
489447481.09408
Perimeter
311591944
Area
6068096222856196
Diagonal
110164388.28275
Surface area
36408577337137176
Volume
4.726924746147E+23
Space diagonal
134923269.55929
Perimeter
233693958
Area
2.6275627408009E+15
Altitude
67461634.779645
Surface area
2.6275627408009E+15
Volume
5.5707342369318E+22
Height
36721462.760917