868697987 is an odd 9-digits composite number following 868697986
and preceding 868697988 . In scientific notation, it is written as 8.68697987 × 10^8.
The sum of its digits is 68. It has a total of 3 prime factors and 8 positive divisors.
There are 834346240 positive integers (up to 868697987) that are relatively prime to 868697987.
868697987 has 8 divisors, whose sum is 903363840
The reverse of 868697987 is 789796868
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
eight hundred sixty-eight million six hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
8.68697987 × 10^8
Engineering notation
8.68697987 × 10^6
Prime Factorization
29 × 191 × 156833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
868697987
Product of the distinct prime numbers
The prime factorization of 868697987 is 29 × 191 × 156833.
Since it has a total of 3 prime factors.
5 , 9 , 40 , 32 , 175 , 589 , 5631 , 5878 , 59607 , 6509 , 314835 , 333374 , 3443366 , 2478425 , 58119737 , 74457100 , 556809319 , 240420604 , 6707657838 , 9032472317
n×2
1737395974
n×3
2606093961
n×4
3474791948
n×5
4343489935
n÷2
434348993.5
n÷3
289565995.66667
n÷3
217174496.75
n÷5
173739597.4
n2
754636192617852169
n3
6.5555094144447E+26
n4
5.6947578320877E+35
n5
4.9470246651871E+44
2 √n
29473.682956156
3 √n
954.16380556679
4 √n
171.67901140255
5 √n
61.344236146092
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
-868697986
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 868697987 can be divided by 8 positive divisors.
The sum of these divisors (counting 868697987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011110001110100011110000011
3
Ternary
2020112121102121112
4
Quaternary
303301310132003
5
Quinary
3234341313422
6
Senary
222111113535
8
Octal
6361643603
10
Decimal
868697987
12
Duodecimal
202b128ab
16
Hexadecimal
33c74783
20
Vigesimal
db974j7
36
Base36
ed77nn
md5
b1838300195a69a14ff65492429a05ef
sha1
be0b05d33616f2358d88ec85b1b2a12abaa21e6b
sha256
4e5f33eadb5ee8bb44ab4e69e279ec0b6350386206d3ad8847a147ec704fc33c
sha512
335ee7ef3a620dade021a253f7858ee2b85b1f70a26125f7e75d984a2dc9f3f37ffd0e11485fd2288e20eaddd7eda65f602f617ed4bdcf222a798525dcb8ab4e
ripemd-160
131431c1f794d54f70254fd2d17bf2ebcb2b5a9b
Diameter
1737395974
Circumference
5458190428.2949
Area
2.3707595188612E+18
Volume
2.7459653622611E+27
Surface area
9.4830380754449E+18
Circumference
5458190428.2949
Perimeter
3474791948
Area
754636192617852169
Diagonal
1228524474.8216
Surface area
4527817155707113014
Volume
6.5555094144447E+26
Space diagonal
1504629049.9168
Perimeter
2606093961
Area
3.2676705671111E+17
Altitude
752314524.9584
Surface area
3.2676705671111E+17
Volume
7.7257419351435E+25
Height
409508158.27387