77797989 is an odd 8-digits composite number following 77797988
and preceding 77797990 . In scientific notation, it is written as 7.7797989 × 10^7.
The sum of its digits is 63. It has a total of 5 prime factors and 20 positive divisors.
There are 49134600 positive integers (up to 77797989) that are relatively prime to 77797989.
77797989 has 20 divisors, whose sum is 122335840
The reverse of 77797989 is 98979777
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 63
Digital Root 9
Name
seventy-seven million seven hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
7.7797989 × 10^7
Engineering notation
7.7797989 × 10^6
Prime Factorization
19 × 3 × 3 × 9 × 50551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25932663
Product of the distinct prime numbers
The prime factorization of 77797989 is 19 × 3 × 3 × 9 × 50551.
Since it has a total of 5 prime factors.
3 , 5 , 91 , 28 , 875 , 183 , 5783 , 709 , 54780 , 95144 , 694344 , 612719 , 9930192 , 2459559 , 13998045 , 87955268 , 33247062 , 399198596 , 7552878252 , 4934523508
n×2
155595978
n×3
233393967
n×4
311191956
n×5
388989945
n÷2
38898994.5
n÷3
25932663
n÷3
19449497.25
n÷5
15559597.8
n2
6052527092444121
n3
4.7087443616017E+23
n4
3.663308420477E+31
n5
2.8499802819988E+39
2 √n
8820.3168310441
3 √n
426.89669284608
4 √n
93.916541839253
5 √n
37.861138933612
1 , 3 , 9 , 19 , 27 , 57 , 81 , 171 , 513 , 1539 , 50551 , 151653 , 454959 , 960469 , 1364877 , 2881407 , 4094631 , 8644221 , 25932663 , 77797989
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77797988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77797989 can be divided by 20 positive divisors.
The sum of these divisors (counting 77797989) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101000110001101001100101
3
Ternary
12102101112210000
4
Quaternary
10220301221211
5
Quinary
124404013424
6
Senary
11415251513
8
Octal
450615145
10
Decimal
77797989
12
Duodecimal
22079b99
16
Hexadecimal
4a31a65
20
Vigesimal
1464ej9
36
Base36
1abhb9
md5
04c70163ce3b86786b103f77df227fa9
sha1
2f06ccebf02cab67d76a9476508cfab0465526f3
sha256
4d3b597590319301a29fbc9489d9bff420677ed2079090b465ec0daf9c781c49
sha512
6d31224791b437e37e5665ed14e5839fdac68583028a6b9d52242c7ac4f987933b23fc1e30b2dd0c62820636f9a91666c9020903d26a11166b96be2a7a172576
ripemd-160
5b6845b12e4fc9585334b20f96b96f51ecd4e39b
Diameter
155595978
Circumference
488819181.41292
Area
1.9014574649276E+16
Volume
1.972394225872E+24
Surface area
7.6058298597103E+16
Circumference
488819181.41292
Perimeter
311191956
Area
6052527092444121
Diagonal
110022971.16915
Surface area
36315162554664726
Volume
4.7087443616017E+23
Space diagonal
134750069.67468
Perimeter
233393967
Area
2.6208211095751E+15
Altitude
67375034.837342
Surface area
2.6208211095751E+15
Volume
5.5493084482708E+22
Height
36674323.723051