77987047 is an odd 8-digits composite number following 77987046
and preceding 77987048 . In scientific notation, it is written as 7.7987047 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 77463496 positive integers (up to 77987047) that are relatively prime to 77987047.
77987047 has 4 divisors, whose sum is 78510600
The reverse of 77987047 is 74078977
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-seven million nine hundred eighty-seven thousand forty-seven
Scientific notation
7.7987047 × 10^7
Engineering notation
7.7987047 × 10^6
Prime Factorization
149 × 523403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77987047
Product of the distinct prime numbers
The prime factorization of 77987047 is 149 × 523403.
Since it has a total of 2 prime factors.
3 , 1 , 91 , 36 , 732 , 210 , 7722 , 9867 , 48720 , 94854 , 200323 , 613028 , 4637779 , 1274020 , 59456511 , 66594605 , 489946511 , 394362427 , 2449872126 , 4049865458
n×2
155974094
n×3
233961141
n×4
311948188
n×5
389935235
n÷2
38993523.5
n÷3
25995682.333333
n÷3
19496761.75
n÷5
15597409.4
n2
6081979499780209
n3
4.743156211024E+23
n4
3.6990474635747E+31
n5
2.8847778839703E+39
2 √n
8831.0275166597
3 √n
427.24221568615
4 √n
93.973546898367
5 √n
37.879522451151
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77987046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77987047 can be divided by 4 positive divisors.
The sum of these divisors (counting 77987047) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001011111110011100111
3
Ternary
12102202011010011
4
Quaternary
10221133303213
5
Quinary
124431041142
6
Senary
11423311051
8
Octal
451376347
10
Decimal
77987047
12
Duodecimal
2214b487
16
Hexadecimal
4a5fce7
20
Vigesimal
14787c7
36
Base36
1afj6v
md5
89aca01f4218d7589738de701e69c18f
sha1
399752023ae96190b2f646573f5de0047ddc5ab8
sha256
ab8a0aa6899fcafb04ea41f031ef823e336bb1ee135b82f937f7a4d380d5998e
sha512
52b7f1675100f9cf95d8d5b7ecc6c85f5f3e8ae70278d818eb122e18f4fb8b5b26ad7478a9a15de89868b220d4fc97ae08de2a3bec292d042ce7c3a824c63092
ripemd-160
1966104cf84dc0f23f1bf76778021e1c88b99d10
Diameter
155974094
Circumference
490007067.86072
Area
1.9107102115793E+16
Volume
1.9868086276509E+24
Surface area
7.6428408463173E+16
Circumference
490007067.86072
Perimeter
311948188
Area
6081979499780209
Diagonal
110290339.55683
Surface area
36491876998681254
Volume
4.743156211024E+23
Space diagonal
135077527.73626
Perimeter
233961141
Area
2.6335743760529E+15
Altitude
67538763.868131
Surface area
2.6335743760529E+15
Volume
5.5898632017369E+22
Height
36763446.518943