77646945 is an odd 8-digits composite number following 77646944
and preceding 77646946 . In scientific notation, it is written as 7.7646945 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 41213760 positive integers (up to 77646945) that are relatively prime to 77646945.
77646945 has 16 divisors, whose sum is 124828992
The reverse of 77646945 is 54964677
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-seven million six hundred forty-six thousand nine hundred forty-five
Scientific notation
7.7646945 × 10^7
Engineering notation
7.7646945 × 10^6
Prime Factorization
3 × 5 × 211 × 24533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77646945
Product of the distinct prime numbers
The prime factorization of 77646945 is 3 × 5 × 211 × 24533.
Since it has a total of 4 prime factors.
3 , 4 , 80 , 23 , 569 , 411 , 6541 , 7584 , 55241 , 96340 , 706570 , 280942 , 7670552 , 3974106 , 94426396 , 55478661 , 853635664 , 220345658 , 8221160857 , 5991737630
n×2
155293890
n×3
232940835
n×4
310587780
n×5
388234725
n÷2
38823472.5
n÷3
25882315
n÷3
19411736.25
n÷5
15529389
n2
6029048067833025
n3
4.6813716372539E+23
n4
3.6349420604241E+31
n5
2.8224214624394E+39
2 √n
8811.7503936505
3 √n
426.62024200557
4 √n
93.870924112051
5 √n
37.846426100438
1 , 3 , 5 , 15 , 211 , 633 , 1055 , 3165 , 24533 , 73599 , 122665 , 367995 , 5176463 , 15529389 , 25882315 , 77646945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77646944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77646945 can be divided by 16 positive divisors.
The sum of these divisors (counting 77646945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000001100110001100001
3
Ternary
12102002212120210
4
Quaternary
10220030301201
5
Quinary
124334200240
6
Senary
11412124333
8
Octal
450146141
10
Decimal
77646945
12
Duodecimal
220066a9
16
Hexadecimal
4a0cc61
20
Vigesimal
1455h75
36
Base36
1a88rl
md5
41ba33ae75849171d29816dc5ddaa593
sha1
62ba2aa9abc5bf0f5c0d167dd44f4a6c3ee24c76
sha256
7c481a0c8813830f3c27c604551d30527897f89ca1acd02a23d0261eea8c8176
sha512
c5b019945cb2e3e3821563affe9f2008db57ba2c4ab63b7fb935e185ad98f619c27fe96dbef9196a3d6361f312d9ef111836cd3f56e0f2fbca325d63d0e45bb6
ripemd-160
4c325490d2d2d944504bd9fad7b80c90d07daefd
Diameter
155293890
Circumference
487870143.97138
Area
1.8940813118044E+16
Volume
1.9609283659094E+24
Surface area
7.5763252472176E+16
Circumference
487870143.97138
Perimeter
310587780
Area
6029048067833025
Diagonal
109809362.69584
Surface area
36174288406998150
Volume
4.6813716372539E+23
Space diagonal
134488453.79251
Perimeter
232940835
Area
2.6106543936904E+15
Altitude
67244226.896253
Surface area
2.6106543936904E+15
Volume
5.517049383261E+22
Height
36603120.898613