78897690 is an even 8-digits composite number following 78897689
and preceding 78897691 . In scientific notation, it is written as 7.8897690 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 18289152 positive integers (up to 78897690) that are relatively prime to 78897690.
78897690 has 32 divisors, whose sum is 131947200
The reverse of 78897690 is 09679887
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred ninety-seven thousand six hundred ninety
Scientific notation
7.8897690 × 10^7
Engineering notation
7.8897690 × 10^6
Prime Factorization
2 × 1665 × 43 × 19 × 29
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78897690
Product of the distinct prime numbers
The prime factorization of 78897690 is 2 × 1665 × 43 × 19 × 29.
Since it has a total of 5 prime factors.
8 , 1 , 40 , 15 , 518 , 129 , 44 , 8112 , 20178 , 10770 , 86120 , 145937 , 2376226 , 5355794 , 62783618 , 55871240 , 500463517 , 928712498 , 6033550947 , 543127255
n×2
157795380
n×3
236693070
n×4
315590760
n×5
394488450
n÷2
39448845
n÷3
26299230
n÷3
19724422.5
n÷5
15779538
n2
6224845487336100
n3
4.9112592955774E+23
n4
3.8748701341209E+31
n5
3.0571830263213E+39
2 √n
8882.4371655532
3 √n
428.89873235253
4 √n
94.246682517493
5 √n
37.967574831811
1 , 2 , 19 , 29 , 38 , 43 , 58 , 86 , 551 , 817 , 1102 , 1247 , 1634 , 1665 , 2494 , 3330 , 23693 , 31635 , 47386 , 48285 , 63270 , 71595 , 96570 , 143190 , 917415 , 1360305 , 1834830 , 2076255 , 2720610 , 4152510 , 39448845 , 78897690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897690 can be divided by 32 positive divisors.
The sum of these divisors (counting 78897690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100111110001000011010
3
Ternary
12111110102021200
4
Quaternary
10230332020122
5
Quinary
130144211230
6
Senary
11455015030
8
Octal
454761032
10
Decimal
78897690
12
Duodecimal
2250a476
16
Hexadecimal
4b3e21a
20
Vigesimal
14d244a
36
Base36
1az1ui
md5
76152fd0f52b82e272330732598fcc26
sha1
b65296bd71a9fe8dc05d71b697eef78a485ccf5e
sha256
7c30e4034922d44ad0583a14f81befa74cb59fbc3e2d076e23e509a2f8786c67
sha512
819ba9eb3c5ba553e5c85ba07e885509adc1c3d47b1e99091b32db6c8a2a088140284f7bb3119cb07da96b6458a4ea8a83818e9c5bfb2c25a5e8911b5010e807
ripemd-160
41e54f9590ed97d76757fb4bd197ecc90fbd5e46
Diameter
157795380
Circumference
495728806.57841
Area
1.9555928852747E+16
Volume
2.0572234830481E+24
Surface area
7.8223715410987E+16
Circumference
495728806.57841
Perimeter
315590760
Area
6224845487336100
Diagonal
111578183.23791
Surface area
37349072924016600
Volume
4.9112592955774E+23
Space diagonal
136654807.67982
Perimeter
236693070
Area
2.695437163333E+15
Altitude
68327403.839909
Surface area
2.695437163333E+15
Volume
5.7879745867804E+22
Height
37192727.745969