77978764 is an even 8-digits composite number following 77978763
and preceding 77978765 . In scientific notation, it is written as 7.7978764 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 37731600 positive integers (up to 77978764) that are relatively prime to 77978764.
77978764 has 12 divisors, whose sum is 140865088
The reverse of 77978764 is 46787977
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-seven million nine hundred seventy-eight thousand seven hundred sixty-four
Scientific notation
7.7978764 × 10^7
Engineering notation
7.7978764 × 10^6
Prime Factorization
2 × 2 × 31 × 628861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38989382
Product of the distinct prime numbers
The prime factorization of 77978764 is 2 × 2 × 31 × 628861.
Since it has a total of 4 prime factors.
6 , 10 , 42 , 79 , 97 , 750 , 8206 , 5670 , 16442 , 87430 , 185869 , 834609 , 7908153 , 750806 , 68131757 , 82775487 , 953157683 , 91118865 , 8910727947 , 8585338465
n×2
155957528
n×3
233936292
n×4
311915056
n×5
389893820
n÷2
38989382
n÷3
25992921.333333
n÷3
19494691
n÷5
15595752.8
n2
6080687634967696
n3
4.7416450604486E+23
n4
3.6974762114049E+31
n5
2.8832462488476E+39
2 √n
8830.5585327317
3 √n
427.22708935982
4 √n
93.971051567659
5 √n
37.878717780563
1 , 2 , 4 , 31 , 62 , 124 , 628861 , 1257722 , 2515444 , 19494691 , 38989382 , 77978764
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77978763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77978764 can be divided by 12 positive divisors.
The sum of these divisors (counting 77978764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101001011101110010001100
3
Ternary
12102201201202101
4
Quaternary
10221131302030
5
Quinary
124430310024
6
Senary
11423204444
8
Octal
451356214
10
Decimal
77978764
12
Duodecimal
22146724
16
Hexadecimal
4a5dc8c
20
Vigesimal
14776i4
36
Base36
1afcss
md5
8d7447b18765c02611aff903916a3224
sha1
0b67cd3830602147e1e2fd6796f6936691dea269
sha256
51ba40ab089b71989e983e7df25cb23d666fe31142c2b81d032845e028302013
sha512
12b59148f674e60ad9dd7198306cdc7453ef961923e51834238276983f384758aa90c81cce981fb3626cbb295857bf928f223f33d68cdf540f0f79c965d8ce97
ripemd-160
745e80f8d83ed3db42ff6bc789195fbf0a894e94
Diameter
155957528
Circumference
489955024.23682
Area
1.9103043602789E+16
Volume
1.9861756383781E+24
Surface area
7.6412174411155E+16
Circumference
489955024.23682
Perimeter
311915056
Area
6080687634967696
Diagonal
110278625.62589
Surface area
36484125809806176
Volume
4.7416450604486E+23
Space diagonal
135063181.15942
Perimeter
233936292
Area
2.63301498218E+15
Altitude
67531590.579711
Surface area
2.63301498218E+15
Volume
5.5880822937049E+22
Height
36759541.875297