77681245 is an odd 8-digits composite number following 77681244
and preceding 77681246 . In scientific notation, it is written as 7.7681245 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 58106880 positive integers (up to 77681245) that are relatively prime to 77681245.
77681245 has 16 divisors, whose sum is 99346608
The reverse of 77681245 is 54218677
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-seven million six hundred eighty-one thousand two hundred forty-five
Scientific notation
7.7681245 × 10^7
Engineering notation
7.7681245 × 10^6
Prime Factorization
5 × 17 × 157 × 5821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77681245
Product of the distinct prime numbers
The prime factorization of 77681245 is 5 × 17 × 157 × 5821.
Since it has a total of 4 prime factors.
10 , 5 , 29 , 66 , 970 , 978 , 1904 , 5430 , 68456 , 51218 , 242499 , 627995 , 8390899 , 7374544 , 44625950 , 50668999 , 185267886 , 196688037 , 4754275695 , 3107088654
n×2
155362490
n×3
233043735
n×4
310724980
n×5
388406225
n÷2
38840622.5
n÷3
25893748.333333
n÷3
19420311.25
n÷5
15536249
n2
6034375824750025
n3
4.6875782686448E+23
n4
3.6413691594328E+31
n5
2.8286608980934E+39
2 √n
8813.6964436041
3 √n
426.6830516033
4 √n
93.881289102803
5 √n
37.84976918908
1 , 5 , 17 , 85 , 157 , 785 , 2669 , 5821 , 13345 , 29105 , 98957 , 494785 , 913897 , 4569485 , 15536249 , 77681245
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
-77681244
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 77681245 can be divided by 16 positive divisors.
The sum of these divisors (counting 77681245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000010101001001011101
3
Ternary
12102011121122011
4
Quaternary
10220111021131
5
Quinary
124341244440
6
Senary
11412551221
8
Octal
450251135
10
Decimal
77681245
12
Duodecimal
22022511
16
Hexadecimal
4a1525d
20
Vigesimal
145a325
36
Base36
1a8z8d
md5
d0b529fe7708bc234c763aa7f62e5e32
sha1
88ac80a4ee53c732562c69db70bb8ea9e770f622
sha256
66e89b4c26db9306f3f12445fd138f70a1a6198118336117b0736ab80641c623
sha512
41974d81e30f2067f98e9888803223df598fcfd7fe2fcc2faa639a02dc428cd21e37c07e0e42253b02ff25c5dac13841ed39c68f297e94a4d4c61d27578ffdd0
ripemd-160
6739e147ce30b2d1cfbab41d458975837c97e6c8
Diameter
155362490
Circumference
488085657.22742
Area
1.8957550760035E+16
Volume
1.9635281935869E+24
Surface area
7.5830203040138E+16
Circumference
488085657.22742
Perimeter
310724980
Area
6034375824750025
Diagonal
109857870.22103
Surface area
36206254948500150
Volume
4.6875782686448E+23
Space diagonal
134547863.13521
Perimeter
233043735
Area
2.6129613801081E+15
Altitude
67273931.567603
Surface area
2.6129613801081E+15
Volume
5.5243639685024E+22
Height
36619290.073676