77778945 is an odd 8-digits composite number following 77778944
and preceding 77778946 . In scientific notation, it is written as 7.7778945 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 40912128 positive integers (up to 77778945) that are relatively prime to 77778945.
77778945 has 16 divisors, whose sum is 105130320
The reverse of 77778945 is 54987777
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-seven million seven hundred seventy-eight thousand nine hundred forty-five
Scientific notation
7.7778945 × 10^7
Engineering notation
7.7778945 × 10^6
Prime Factorization
73 × 9 × 5 × 23677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77778945
Product of the distinct prime numbers
The prime factorization of 77778945 is 73 × 9 × 5 × 23677.
Since it has a total of 4 prime factors.
10 , 3 , 26 , 91 , 668 , 927 , 5340 , 9093 , 90982 , 14021 , 338569 , 112892 , 3331416 , 1640421 , 27673309 , 52407641 , 997902789 , 490051875 , 2375886017 , 7578716494
n×2
155557890
n×3
233336835
n×4
311115780
n×5
388894725
n÷2
38889472.5
n÷3
25926315
n÷3
19444736.25
n÷5
15555789
n2
6049564285313025
n3
4.7052872782133E+23
n4
3.6597228042135E+31
n5
2.8464937870417E+39
2 √n
8819.2372119135
3 √n
426.86185696676
4 √n
93.910793905246
5 √n
37.859285162971
1 , 5 , 9 , 45 , 73 , 365 , 657 , 3285 , 23677 , 118385 , 213093 , 1065465 , 1728421 , 8642105 , 15555789 , 77778945
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
-77778944
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 77778945 can be divided by 16 positive divisors.
The sum of these divisors (counting 77778945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000101101000000000001
3
Ternary
12102100120122200
4
Quaternary
10220231000001
5
Quinary
124402411240
6
Senary
11415023413
8
Octal
450550001
10
Decimal
77778945
12
Duodecimal
2206ab69
16
Hexadecimal
4a2d001
20
Vigesimal
1462775
36
Base36
1ab2m9
md5
b16351cf04ae3fb269b392e56bc4fb10
sha1
fa777fd55d613819a99583bd390338dbe94b8fcb
sha256
6d3d69506f2be46da9d1c5ac831dd3da6628bf3fbb5e40fd366df311815adb0f
sha512
0121e3ba44fd3d915da4634b97bf4577709046a097bc3e41fa6bb5db704c037e55e2858c1ee2ffb569d96c016e930429308919c197faa39dfd158485e33e14bb
ripemd-160
16c1cd29c45ecaee3d4a7cb3426e79387aa27970
Diameter
155557890
Circumference
488699524.43193
Area
1.9005266716159E+16
Volume
1.9709461261686E+24
Surface area
7.6021066864634E+16
Circumference
488699524.43193
Perimeter
311115780
Area
6049564285313025
Diagonal
109996038.88607
Surface area
36297385711878150
Volume
4.7052872782133E+23
Space diagonal
134717084.49911
Perimeter
233336835
Area
2.6195381764541E+15
Altitude
67358542.249553
Surface area
2.6195381764541E+15
Volume
5.5452342364257E+22
Height
36665346.295357