77778972 is an even 8-digits composite number following 77778971
and preceding 77778973 . In scientific notation, it is written as 7.7778972 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 25926312 positive integers (up to 77778972) that are relatively prime to 77778972.
77778972 has 12 divisors, whose sum is 151236960
The reverse of 77778972 is 27987777
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-seven million seven hundred seventy-eight thousand nine hundred seventy-two
Scientific notation
7.7778972 × 10^7
Engineering notation
7.7778972 × 10^6
Prime Factorization
2 × 2 × 9 × 2160527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38889486
Product of the distinct prime numbers
The prime factorization of 77778972 is 2 × 2 × 9 × 2160527.
Since it has a total of 4 prime factors.
4 , 5 , 21 , 66 , 918 , 251 , 108 , 1123 , 45473 , 1750 , 955574 , 780133 , 2067823 , 5737678 , 6439328 , 67410547 , 689340295 , 113525372 , 6852626429 , 9670385417
n×2
155557944
n×3
233336916
n×4
311115888
n×5
388894860
n÷2
38889486
n÷3
25926324
n÷3
19444743
n÷5
15555794.4
n2
6049568485376784
n3
4.705292178362E+23
n4
3.6597278859264E+31
n5
2.8464987276709E+39
2 √n
8819.238742658
3 √n
426.86190636003
4 √n
93.910802055238
5 √n
37.859287791447
1 , 2 , 4 , 9 , 18 , 36 , 2160527 , 4321054 , 8642108 , 19444743 , 38889486 , 77778972
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
-77778971
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 77778972 can be divided by 12 positive divisors.
The sum of these divisors (counting 77778972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101000101101000000011100
3
Ternary
12102100120200200
4
Quaternary
10220231000130
5
Quinary
124402411342
6
Senary
11415023500
8
Octal
450550034
10
Decimal
77778972
12
Duodecimal
2206ab90
16
Hexadecimal
4a2d01c
20
Vigesimal
146278c
36
Base36
1ab2n0
md5
952ac0a7e5f6b601f2d23c640f3dfda1
sha1
1db6ce283b1062450036b0f496e4c3a75d552224
sha256
dba93ee882d2e318ae41293105fc6c8faabad05a051184be0011ee615102fdfa
sha512
2ed6bae6251572b467ae4c5ba4875ab12419cd990efed307bc0680a44e88276cf09d4d9789e19053862b3f0d98dfd0de48504d2e02de52a5477513c4f5d4b826
ripemd-160
560c005e261806c7dc5d898d406151c5ee6f3bf9
Diameter
155557944
Circumference
488699694.07793
Area
1.9005279911048E+16
Volume
1.9709481787381E+24
Surface area
7.6021119644192E+16
Circumference
488699694.07793
Perimeter
311115888
Area
6049568485376784
Diagonal
109996077.06984
Surface area
36297410912260704
Volume
4.705292178362E+23
Space diagonal
134717131.26448
Perimeter
233336916
Area
2.619539995135E+15
Altitude
67358565.632239
Surface area
2.619539995135E+15
Volume
5.5452400113064E+22
Height
36665359.023279