77881768 is an even 8-digits composite number following 77881767
and preceding 77881769 . In scientific notation, it is written as 7.7881768 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 8 positive divisors.
There are 38940880 positive integers (up to 77881768) that are relatively prime to 77881768.
77881768 has 8 divisors, whose sum is 146028330
The reverse of 77881768 is 86718877
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-seven million eight hundred eighty-one thousand seven hundred sixty-eight
Scientific notation
7.7881768 × 10^7
Engineering notation
7.7881768 × 10^6
Prime Factorization
2 × 2 × 2 × 9735221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19470442
Product of the distinct prime numbers
The prime factorization of 77881768 is 2 × 2 × 2 × 9735221.
Since it has a total of 4 prime factors.
4 , 8 , 20 , 51 , 575 , 705 , 9193 , 5785 , 70913 , 54376 , 868874 , 391097 , 9509481 , 9377594 , 43410153 , 25804783 , 410129593 , 222782189 , 2864617786 , 860927343
n×2
155763536
n×3
233645304
n×4
311527072
n×5
389408840
n÷2
38940884
n÷3
25960589.333333
n÷3
19470442
n÷5
15576353.6
n2
6065569786805824
n3
4.7239729892382E+23
n4
3.6791136838612E+31
n5
2.865358783721E+39
2 √n
8825.0647589692
3 √n
427.04987652937
4 √n
93.941815816862
5 √n
37.869289794454
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77881767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77881768 can be divided by 8 positive divisors.
The sum of these divisors (counting 77881768) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001000110000110101000
3
Ternary
12102112210200221
4
Quaternary
10221012012220
5
Quinary
124414204033
6
Senary
11421135424
8
Octal
451060650
10
Decimal
77881768
12
Duodecimal
220ba574
16
Hexadecimal
4a461a8
20
Vigesimal
146f488
36
Base36
1ad9yg
md5
601a11c79012cfb7093417b5c0ec0080
sha1
bf97a3ad1b9bea4b3d4f030f7c40a46eeab23f80
sha256
b1b121fdb542857a44f4b2f929e6c7f7477899c3530e62b05cc86debc931a20e
sha512
2c787bf2e6f3a4657125852fd37dfbd071abfa09b8141b8c631d63056162ef3649bda64e73ff8e5a4cd79f83b4ebd74a52b6ba8d0f788a4788af8123390e29d2
ripemd-160
31e814d340adbc24bc0286cc0936d7fa9f4d3bb0
Diameter
155763536
Circumference
489345580.39477
Area
1.9055549482065E+16
Volume
1.9787731784996E+24
Surface area
7.6222197928262E+16
Circumference
489345580.39477
Perimeter
311527072
Area
6065569786805824
Diagonal
110141452.56719
Surface area
36393418720834944
Volume
4.7239729892382E+23
Space diagonal
134895179.15929
Perimeter
233645304
Area
2.6264687619006E+15
Altitude
67447589.579646
Surface area
2.6264687619006E+15
Volume
5.567255558054E+22
Height
36713817.522398