77777220 is an even 8-digits composite number following 77777219
and preceding 77777221 . In scientific notation, it is written as 7.7777220 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 20740576 positive integers (up to 77777220) that are relatively prime to 77777220.
77777220 has 12 divisors, whose sum is 145184256
The reverse of 77777220 is 02277777
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-seven million seven hundred seventy-seven thousand two hundred twenty
Scientific notation
7.7777220 × 10^7
Engineering notation
7.7777220 × 10^6
Prime Factorization
2 × 2 × 15 × 1296287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38888610
Product of the distinct prime numbers
The prime factorization of 77777220 is 2 × 2 × 15 × 1296287.
Since it has a total of 4 prime factors.
4 , 6 , 25 , 17 , 763 , 954 , 6383 , 1318 , 54436 , 59315 , 216533 , 555461 , 6175031 , 3117615 , 63736708 , 95778585 , 436769074 , 698471762 , 621679931 , 6368212603
n×2
155554440
n×3
233331660
n×4
311108880
n×5
388886100
n÷2
38888610
n÷3
25925740
n÷3
19444305
n÷5
15555444
n2
6049295950928400
n3
4.7049742202047E+23
n4
3.6593981501919E+31
n5
2.8461781499507E+39
2 √n
8819.1394137977
3 √n
426.85870126206
4 √n
93.910273206917
5 √n
37.859117231029
1 , 2 , 4 , 15 , 30 , 60 , 1296287 , 2592574 , 5185148 , 19444305 , 38888610 , 77777220
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
-77777219
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 77777220 can be divided by 12 positive divisors.
The sum of these divisors (counting 77777220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101000101100100101000100
3
Ternary
12102100111021210
4
Quaternary
10220230211010
5
Quinary
124402332340
6
Senary
11415011420
8
Octal
450544504
10
Decimal
77777220
12
Duodecimal
22069b70
16
Hexadecimal
4a2c944
20
Vigesimal
1462310
36
Base36
1ab1ac
md5
dccf91b138b36a5d7ceb07bf75582d56
sha1
31dbaca9effb1afd3b8cfb5bba97722c93f44a53
sha256
7ce919ed8216e6ad450b3dd4e06f32460e34df8569ca67db7a599c1bebef6a7f
sha512
58475a88376445a0063ca60a5575e234a8d759fa18c6c4e21b5889367530d8463a90a15ccf74510bd251d69da8a1d8e994ff5d64c948a04fe8d8ef9b81ad8045
ripemd-160
64a15c0abd17a9f7c2c9880a453a21c8a6f89849
Diameter
155554440
Circumference
488688685.93727
Area
1.9004423718827E+16
Volume
1.9708149927366E+24
Surface area
7.6017694875309E+16
Circumference
488688685.93727
Perimeter
311108880
Area
6049295950928400
Diagonal
109993599.36768
Surface area
36295775705570400
Volume
4.7049742202047E+23
Space diagonal
134714096.71146
Perimeter
233331660
Area
2.6194219842572E+15
Altitude
67357048.355731
Surface area
2.6194219842572E+15
Volume
5.5448652940244E+22
Height
36664533.122559