77881916 is an even 8-digits composite number following 77881915
and preceding 77881917 . In scientific notation, it is written as 7.7881916 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 33377952 positive integers (up to 77881916) that are relatively prime to 77881916.
77881916 has 12 divisors, whose sum is 155763888
The reverse of 77881916 is 61918877
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-seven million eight hundred eighty-one thousand nine hundred sixteen
Scientific notation
7.7881916 × 10^7
Engineering notation
7.7881916 × 10^6
Prime Factorization
2 × 2 × 7 × 2781497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38940958
Product of the distinct prime numbers
The prime factorization of 77881916 is 2 × 2 × 7 × 2781497.
Since it has a total of 4 prime factors.
4 , 5 , 14 , 53 , 171 , 396 , 976 , 2438 , 80400 , 99348 , 365098 , 282571 , 1729021 , 8405724 , 7020547 , 38938842 , 9831293 , 527564340 , 4262918388 , 6845155429
n×2
155763832
n×3
233645748
n×4
311527664
n×5
389409580
n÷2
38940958
n÷3
25960638.666667
n÷3
19470479
n÷5
15576383.2
n2
6065592839831056
n3
4.7239999204192E+23
n4
3.679141649861E+31
n5
2.8653860092657E+39
2 √n
8825.0731441728
3 √n
427.05014703916
4 √n
93.941860446623
5 √n
37.869304187169
1 , 2 , 4 , 7 , 14 , 28 , 2781497 , 5562994 , 11125988 , 19470479 , 38940958 , 77881916
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
-77881915
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 77881916 can be divided by 12 positive divisors.
The sum of these divisors (counting 77881916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101001000110001000111100
3
Ternary
12102112210220102
4
Quaternary
10221012020330
5
Quinary
124414210131
6
Senary
11421140232
8
Octal
451061074
10
Decimal
77881916
12
Duodecimal
220ba678
16
Hexadecimal
4a4623c
20
Vigesimal
146f4fg
36
Base36
1ada2k
md5
de70fb4fa92ab513852861df9c007632
sha1
31c676c94814c79e73a292242c3422aa243d3e70
sha256
f236570781b5d5f4805b85e627f85b6a7c6ffad693d734d7781244afde8310e4
sha512
856f0046a7f8466462a6789c7bfbb6c7ce07c19cd5cfba32071d71a51e177d47fdcedb8907dc0538ff769a4eaea54ea37791fb91aaf3542f7291c30577baa9bb
ripemd-160
3828864c31fe1228c3e2a99ac39b0b20b9f2564f
Diameter
155763832
Circumference
489346510.30619
Area
1.905562190528E+16
Volume
1.9787844594064E+24
Surface area
7.622248762112E+16
Circumference
489346510.30619
Perimeter
311527664
Area
6065592839831056
Diagonal
110141661.8708
Surface area
36393557038986336
Volume
4.7239999204192E+23
Space diagonal
134895435.50281
Perimeter
233645748
Area
2.6264787441533E+15
Altitude
67447717.751406
Surface area
2.6264787441533E+15
Volume
5.5672872967553E+22
Height
36713887.290267