77881245 is an odd 8-digits composite number following 77881244
and preceding 77881246 . In scientific notation, it is written as 7.7881245 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 38341440 positive integers (up to 77881245) that are relatively prime to 77881245.
77881245 has 16 divisors, whose sum is 134195712
The reverse of 77881245 is 54218877
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million eight hundred eighty-one thousand two hundred forty-five
Scientific notation
7.7881245 × 10^7
Engineering notation
7.7881245 × 10^6
Prime Factorization
5 × 3 × 13 × 399391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77881245
Product of the distinct prime numbers
The prime factorization of 77881245 is 5 × 3 × 13 × 399391.
Since it has a total of 4 prime factors.
2 , 2 , 52 , 35 , 869 , 21 , 190 , 4497 , 29432 , 83197 , 594318 , 983244 , 7266014 , 9162033 , 50234296 , 16932183 , 513393616 , 624678932 , 4489886993 , 7041042745
n×2
155762490
n×3
233643735
n×4
311524980
n×5
389406225
n÷2
38940622.5
n÷3
25960415
n÷3
19470311.25
n÷5
15576249
n2
6065488322750025
n3
4.7238778210873E+23
n4
3.6790148593417E+31
n5
2.8652625761903E+39
2 √n
8825.0351274088
3 √n
427.04892060353
4 √n
93.941658104426
5 √n
37.869238933534
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 399391 , 1198173 , 1996955 , 5192083 , 5990865 , 15576249 , 25960415 , 77881245
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
-77881244
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 77881245 can be divided by 16 positive divisors.
The sum of these divisors (counting 77881245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001000101111110011101
3
Ternary
12102112202222120
4
Quaternary
10221011332131
5
Quinary
124414144440
6
Senary
11421133153
8
Octal
451057635
10
Decimal
77881245
12
Duodecimal
220ba1b9
16
Hexadecimal
4a45f9d
20
Vigesimal
146f325
36
Base36
1ad9jx
md5
7ed6bed4819c64a4ac63ac7a694ff0b0
sha1
7dd1aa8fb56a7997ec8c2f0a091a335b8c97abe3
sha256
1547f3c5d5b250adae44a40eba364656be20c5a509203fb861811f8042254bd5
sha512
564341cd611ae6a8f7dd90deb5275cc8786e10d31a568a72fb330024525dc93aa1e84d5a0d9a18a5beb82bd9d8fdfec7817d918bd3e1750900b55881684da817
ripemd-160
5e0a46589417e933a801c742081814f9495cb881
Diameter
155762490
Circumference
489342294.28885
Area
1.9055293555186E+16
Volume
1.9787333145578E+24
Surface area
7.6221174220745E+16
Circumference
489342294.28885
Perimeter
311524980
Area
6065488322750025
Diagonal
110140712.9335
Surface area
36392929936500150
Volume
4.7238778210873E+23
Space diagonal
134894273.29672
Perimeter
233643735
Area
2.6264334869297E+15
Altitude
67447136.64836
Surface area
2.6264334869297E+15
Volume
5.5671434013126E+22
Height
36713570.977834