77881257 is an odd 8-digits composite number following 77881256
and preceding 77881258 . In scientific notation, it is written as 7.7881257 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 28 positive divisors.
There are 51356592 positive integers (up to 77881257) that are relatively prime to 77881257.
77881257 has 28 divisors, whose sum is 117519360
The reverse of 77881257 is 75218877
Previous prime number is 9
Is Prime? no Number parity odd Number length 8 Sum of Digits 45 Digital Root 9
Name
seventy-seven million eight hundred eighty-one thousand two hundred fifty-seven
Scientific notation
7.7881257 × 10^7
Engineering notation
7.7881257 × 10^6
Prime Factorization
9 × 3 × 3 × 447 × 9 × 239
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
2884491 Product of the distinct prime numbers
The prime factorization of 77881257 is 9 × 3 × 3 × 447 × 9 × 239.
Since it has a total of 6 prime factors.
5 , 1 , 21 , 40 , 217 , 448 , 2532 , 5701 , 67847 , 58859 , 268981 , 116272 , 8605725 , 8841491 , 4441265 , 98933486 , 561668168 , 483896923 , 6353097183 , 2709743024
n×2
155762514
n×3
233643771
n×4
311525028
n×5
389406285
n÷2
38940628.5
n÷3
25960419
n÷3
19470314.25
n÷5
15576251.4
n2
6065490191900049
n3
4.7238800046635E+23
n4
3.6790171268036E+31
n5
2.8652647835999E+39
2 √n8825.0358072928
3 √n427.04894253686
4 √n93.941661723076
5 √n37.869240100518
1 , 3 , 9 , 27 , 81 , 239 , 243 , 447 , 717 , 729 , 1341 , 2151 , 4023 , 6453 , 12069 , 19359 , 36207 , 58077 , 106833 , 108621 , 174231 , 320499 , 325863 , 961497 , 2884491 , 8653473 , 25960419 , 77881257
28 divisors
τ Total Divisors
28 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-77881256 Sum of the proper positive divisors of n
A Arithmetic Mean
0.035714285714286 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
28 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77881257 can be divided by 28 positive divisors.
The sum of these divisors (counting 77881257) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100101001000101111110101001
3
Ternary
12102112210000000
4
Quaternary
10221011332221
5
Quinary
124414200012
6
Senary
11421133213
8
Octal
451057651
10
Decimal
77881257
12
Duodecimal
220ba209
16
Hexadecimal
4a45fa9
20
Vigesimal
146f32h
36
Base36
1ad9k9
md5
e1c5538bc5ddf3b918090bba23455e31
sha1
9c624c148c3b59f7cd7d0392f3f59b5334f0e92f
sha256
996ef1e783dcab3d8b2f6453077f230152920e052472ea261341fb5a3a92dbea
sha512
bbe12678e83a6c0d9c7dd335eef6a26d05b8ef3c2e960ca1493a5d135a7cded454c732a6da7236359a96d3283b51cbb7bb504754fde93260652243c6c3675095
ripemd-160
03c449e4280e1e9d2affbfa15f0a386bf0f87023
Diameter
155762514
Circumference
489342369.68708
Area
1.9055299427294E+16
Volume
1.9787342292121E+24
Surface area
7.6221197709177E+16
Circumference
489342369.68708
Perimeter
311525028
Area
6065490191900049
Diagonal
110140729.90406
Surface area
36392941151400294
Volume
4.7238800046635E+23
Space diagonal
134894294.08133
Perimeter
233643771
Area
2.6264342962954E+15
Altitude
67447147.040665
Surface area
2.6264342962954E+15
Volume
5.5671459746818E+22
Height
36713576.634688