77881982 is an even 8-digits composite number following 77881981
and preceding 77881983 . In scientific notation, it is written as 7.7881982 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 37684800 positive integers (up to 77881982) that are relatively prime to 77881982.
77881982 has 8 divisors, whose sum is 120591552
The reverse of 77881982 is 28918877
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-seven million eight hundred eighty-one thousand nine hundred eighty-two
Scientific notation
7.7881982 × 10^7
Engineering notation
7.7881982 × 10^6
Prime Factorization
2 × 31 × 1256161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77881982
Product of the distinct prime numbers
The prime factorization of 77881982 is 2 × 31 × 1256161.
Since it has a total of 3 prime factors.
9 , 10 , 6 , 40 , 789 , 527 , 5618 , 2890 , 98372 , 40525 , 782455 , 844050 , 6655140 , 1647229 , 37195431 , 87058712 , 96373717 , 190283001 , 1806353332 , 4917829454
n×2
155763964
n×3
233645946
n×4
311527928
n×5
389409910
n÷2
38940991
n÷3
25960660.666667
n÷3
19470495.5
n÷5
15576396.4
n2
6065603120248324
n3
4.7240119303032E+23
n4
3.6791541212366E+31
n5
2.8653981504538E+39
2 √n
8825.0768835178
3 √n
427.0502676718
4 √n
93.941880349064
5 √n
37.869310605535
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
-77881981
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 77881982 can be divided by 8 positive divisors.
The sum of these divisors (counting 77881982) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001000110001001111110
3
Ternary
12102112210222212
4
Quaternary
10221012021332
5
Quinary
124414210412
6
Senary
11421140422
8
Octal
451061176
10
Decimal
77881982
12
Duodecimal
220ba712
16
Hexadecimal
4a4627e
20
Vigesimal
146f4j2
36
Base36
1ada4e
md5
aaa0f0a1d043623bc4efe81dd83233cf
sha1
1994a554886397d9a1949d8d40dcbfb81bff5da0
sha256
a92db2df316bdc0a167f846f73cacb9165f6d44f74d9bf9eea5c5b90f67a8022
sha512
5dc62ff48b0c575054c88248fb2d2bf94eba55dbd5edfdfa68a8a6a9a2539bd01175b52d822c7ca7bf0124e7ac1763e2c246aa3428f07acd16fd9d1a7d532734
ripemd-160
06b5681d99d2a0855594dd505145fb06337d8eae
Diameter
155763964
Circumference
489346924.99643
Area
1.9055654202163E+16
Volume
1.9787894900948E+24
Surface area
7.6222616808654E+16
Circumference
489346924.99643
Perimeter
311527928
Area
6065603120248324
Diagonal
110141755.2089
Surface area
36393618721489944
Volume
4.7240119303032E+23
Space diagonal
134895549.81816
Perimeter
233645946
Area
2.6264831957046E+15
Altitude
67447774.909082
Surface area
2.6264831957046E+15
Volume
5.5673014505393E+22
Height
36713918.402966