78897009 is an odd 8-digits composite number following 78897008
and preceding 78897010 . In scientific notation, it is written as 7.8897009 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 52598004 positive integers (up to 78897009) that are relatively prime to 78897009.
78897009 has 4 divisors, whose sum is 105196016
The reverse of 78897009 is 90079887
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million eight hundred ninety-seven thousand nine
Scientific notation
7.8897009 × 10^7
Engineering notation
7.8897009 × 10^6
Prime Factorization
3 × 26299003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78897009
Product of the distinct prime numbers
The prime factorization of 78897009 is 3 × 26299003.
Since it has a total of 2 prime factors.
4 , 9 , 52 , 1 , 276 , 694 , 2260 , 2577 , 12205 , 33062 , 816882 , 3408 , 2289599 , 3736528 , 61184330 , 56021107 , 962907645 , 240913000 , 9431778002 , 2811186345
n×2
157794018
n×3
236691027
n×4
315588036
n×5
394485045
n÷2
39448504.5
n÷3
26299003
n÷3
19724252.25
n÷5
15779401.8
n2
6224738029146081
n3
4.9111321230818E+23
n4
3.8747363531497E+31
n5
3.0570510892708E+39
2 √n
8882.3988313968
3 √n
428.89749834565
4 √n
94.246479145891
5 √n
37.967509288681
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897009 can be divided by 4 positive divisors.
The sum of these divisors (counting 78897009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100111101111101110001
3
Ternary
12111110101100110
4
Quaternary
10230331331301
5
Quinary
130144201014
6
Senary
11455011533
8
Octal
454757561
10
Decimal
78897009
12
Duodecimal
22509ba9
16
Hexadecimal
4b3df71
20
Vigesimal
14d22a9
36
Base36
1az1bl
md5
34961a9cd69e01a51fb8e094504abe46
sha1
7a4a6cad1d0103e36e8fcdda6850fd4320738135
sha256
59a1e23d8065114e650cbab927034bbe3061d1f324dda1cf29156c2469e3527f
sha512
f43e8b1d2cf3802fc0c4c6281c9a8048dadb7d6a3ce97e1155da2a1815cca2db139a5f4bd79d02df49933ee380d35185a2bc7df4cf933a4a349ac6d8265b3601
ripemd-160
213b1dd5b6b959b495ad602b03ca3f360b5218df
Diameter
157794018
Circumference
495724527.72922
Area
1.9555591262886E+16
Volume
2.0571702131577E+24
Surface area
7.8222365051545E+16
Circumference
495724527.72922
Perimeter
315588036
Area
6224738029146081
Diagonal
111577220.15847
Surface area
37348428174876486
Volume
4.9111321230818E+23
Space diagonal
136653628.15322
Perimeter
236691027
Area
2.6953906325718E+15
Altitude
68326814.076609
Surface area
2.6953906325718E+15
Volume
5.7878247125571E+22
Height
37192406.719491