77987112 is an even 8-digits composite number following 77987111
and preceding 77987113 . In scientific notation, it is written as 7.7987112 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 21312192 positive integers (up to 77987112) that are relatively prime to 77987112.
77987112 has 32 divisors, whose sum is 159857280
The reverse of 77987112 is 21178977
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million nine hundred eighty-seven thousand one hundred twelve
Scientific notation
7.7987112 × 10^7
Engineering notation
7.7987112 × 10^6
Prime Factorization
2 × 2 × 2 × 21 × 23 × 20183
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19496778
Product of the distinct prime numbers
The prime factorization of 77987112 is 2 × 2 × 2 × 21 × 23 × 20183.
Since it has a total of 6 prime factors.
7 , 2 , 6 , 5 , 341 , 153 , 6069 , 4575 , 82410 , 20908 , 790890 , 163368 , 9623380 , 926699 , 27452556 , 55131223 , 285789312 , 24077343 , 6619246129 , 5164082821
n×2
155974224
n×3
233961336
n×4
311948448
n×5
389935560
n÷2
38993556
n÷3
25995704
n÷3
19496778
n÷5
15597422.4
n2
6081989638100544
n3
4.7431680708939E+23
n4
3.6990597957962E+31
n5
2.8847899058946E+39
2 √n
8831.0311968648
3 √n
427.24233438422
4 √n
93.973566479435
5 √n
37.879528765452
1 , 2 , 4 , 8 , 21 , 23 , 42 , 46 , 84 , 92 , 168 , 184 , 483 , 966 , 1932 , 3864 , 20183 , 40366 , 80732 , 161464 , 423843 , 464209 , 847686 , 928418 , 1695372 , 1856836 , 3390744 , 3713672 , 9748389 , 19496778 , 38993556 , 77987112
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77987111
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77987112 can be divided by 32 positive divisors.
The sum of these divisors (counting 77987112) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101001011111110100101000
3
Ternary
12102202011012120
4
Quaternary
10221133310220
5
Quinary
124431041422
6
Senary
11423311240
8
Octal
451376450
10
Decimal
77987112
12
Duodecimal
2214b520
16
Hexadecimal
4a5fd28
20
Vigesimal
14787fc
36
Base36
1afj8o
md5
87c2ebbf9b13561b5fbbe6195474ead8
sha1
8a61a22ee788c6159d874d1347323beb233870ba
sha256
c6b0252632b4a60f22b928b093d39ab62d17c4b838a86781d44db2e599a7ce60
sha512
da291a63e5b03da20d799778fb47cbd6d2b2b724892e0e226f3b058320f9a29c3a15637949b7c42a085346c11a36cc78acc748a5edbf69726392379cb807afef
ripemd-160
3d1913b80ec030bffbe3890af21c43e5b49fe373
Diameter
155974224
Circumference
490007476.26777
Area
1.9107133966266E+16
Volume
1.9868135955016E+24
Surface area
7.6428535865064E+16
Circumference
490007476.26777
Perimeter
311948448
Area
6081989638100544
Diagonal
110290431.48071
Surface area
36491937828603264
Volume
4.7431680708939E+23
Space diagonal
135077640.31956
Perimeter
233961336
Area
2.6335787660744E+15
Altitude
67538820.159782
Surface area
2.6335787660744E+15
Volume
5.5898771787276E+22
Height
36763477.160237