78897643 is an odd 8-digits composite number following 78897642
and preceding 78897644 . In scientific notation, it is written as 7.8897643 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 71662080 positive integers (up to 78897643) that are relatively prime to 78897643.
78897643 has 8 divisors, whose sum is 86145840
The reverse of 78897643 is 34679887
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million eight hundred ninety-seven thousand six hundred forty-three
Scientific notation
7.8897643 × 10^7
Engineering notation
7.8897643 × 10^6
Prime Factorization
11 × 1489 × 4817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897643
Product of the distinct prime numbers
The prime factorization of 78897643 is 11 × 1489 × 4817.
Since it has a total of 3 prime factors.
8 , 1 , 46 , 82 , 473 , 615 , 4104 , 8556 , 37814 , 15490 , 419269 , 764680 , 7843732 , 9031743 , 77060896 , 3431493 , 496063852 , 554203539 , 3220535598 , 5543085127
n×2
157795286
n×3
236692929
n×4
315590572
n×5
394488215
n÷2
39448821.5
n÷3
26299214.333333
n÷3
19724410.75
n÷5
15779528.6
n2
6224838070955449
n3
4.9112505185505E+23
n4
3.8748609009616E+31
n5
3.0571739203873E+39
2 √n
8882.4345198825
3 √n
428.89864718635
4 √n
94.24666848161
5 √n
37.96757030829
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897642
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897643 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897643) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111110000111101011
3
Ternary
12111110102012221
4
Quaternary
10230332013223
5
Quinary
130144211033
6
Senary
11455014511
8
Octal
454760753
10
Decimal
78897643
12
Duodecimal
2250a437
16
Hexadecimal
4b3e1eb
20
Vigesimal
14d2423
36
Base36
1az1t7
md5
555a675522de3c1150b9d1e24451d0ef
sha1
bd321bee4a933ac2f67e3dbe6a1e2aae3add42bd
sha256
26e48f6f58b5da5a0bc4f4efe4efc4b8fde9d3de7f7b8271811826c3728d1d8b
sha512
efdab0fedb79183315f43b0c4ef67a0ddb866dffe5b088088c9adf812950a836c1d335f8d53329d9fb8ac13391c491d944c7cb23ab5cec0ecbf5199bf01171b2
ripemd-160
e945d86d555434ee9c085cb242a678acd8a28128
Diameter
157795286
Circumference
495728511.2687
Area
1.95559055535E+16
Volume
2.0572198065356E+24
Surface area
7.8223622213999E+16
Circumference
495728511.2687
Perimeter
315590572
Area
6224838070955449
Diagonal
111578116.76987
Surface area
37349028425732694
Volume
4.9112505185505E+23
Space diagonal
136654726.27343
Perimeter
236692929
Area
2.695433951946E+15
Altitude
68327363.136715
Surface area
2.695433951946E+15
Volume
5.787964242955E+22
Height
37192705.589957