77889728 is an even 8-digits composite number following 77889727
and preceding 77889729 . In scientific notation, it is written as 7.7889728 × 10^7.
The sum of its digits is 56. It has a total of 8 prime factors and 28 positive divisors.
There are 33381120 positive integers (up to 77889728) that are relatively prime to 77889728.
77889728 has 28 divisors, whose sum is 176643792
The reverse of 77889728 is 82798877
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-seven million eight hundred eighty-nine thousand seven hundred twenty-eight
Scientific notation
7.7889728 × 10^7
Engineering notation
7.7889728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 7 × 173861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2434054
Product of the distinct prime numbers
The prime factorization of 77889728 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 173861.
Since it has a total of 8 prime factors.
3 , 4 , 71 , 28 , 705 , 755 , 4707 , 8577 , 88278 , 13585 , 310514 , 356198 , 527715 , 73926 , 3243442 , 58851631 , 712736419 , 847405909 , 1582090521 , 8803287934
n×2
155779456
n×3
233669184
n×4
311558912
n×5
389448640
n÷2
38944864
n÷3
25963242.666667
n÷3
19472432
n÷5
15577945.6
n2
6066809727913984
n3
4.7254215953497E+23
n4
3.6806180274712E+31
n5
2.8668233703163E+39
2 √n
8825.5157356383
3 √n
427.06442508291
4 √n
93.944216084006
5 √n
37.870063858093
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 224 , 448 , 173861 , 347722 , 695444 , 1217027 , 1390888 , 2434054 , 2781776 , 4868108 , 5563552 , 9736216 , 11127104 , 19472432 , 38944864 , 77889728
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77889727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77889728 can be divided by 28 positive divisors.
The sum of these divisors (counting 77889728) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100101001001000000011000000
3
Ternary
12102120012121202
4
Quaternary
10221020003000
5
Quinary
124414432403
6
Senary
11421240332
8
Octal
451100300
10
Decimal
77889728
12
Duodecimal
221030a8
16
Hexadecimal
4a480c0
20
Vigesimal
146g468
36
Base36
1adg3k
md5
e4d91e093ab5791f8ffab0a546f9ee78
sha1
2fbb6bee63a03054cf6372b046a57e57655d2192
sha256
de91cc839200d176915c50fa28ad609ab47b428667ed55e933bfa416747b89c5
sha512
f44a865bfd9d22a44b7a6bc567c4cd559e6594393de07929919454a43b25255d97d642ec5befa43183b1d8d7278483ec90d494e2f62673753d442bbf6c3bfd9b
ripemd-160
af1266e40287e4f27d6b8b5ffd74c5a6e6f18c8c
Diameter
155779456
Circumference
489395594.54981
Area
1.9059444871942E+16
Volume
1.9793799692087E+24
Surface area
7.6237779487767E+16
Circumference
489395594.54981
Perimeter
311558912
Area
6066809727913984
Diagonal
110152709.70715
Surface area
36400858367483904
Volume
4.7254215953497E+23
Space diagonal
134908966.28372
Perimeter
233669184
Area
2.62700567215E+15
Altitude
67454483.14186
Surface area
2.62700567215E+15
Volume
5.5689627567286E+22
Height
36717569.902384