87016989 is an odd 8-digits composite number following 87016988
and preceding 87016990 . In scientific notation, it is written as 8.7016989 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 57214080 positive integers (up to 87016989) that are relatively prime to 87016989.
87016989 has 16 divisors, whose sum is 117627840
The reverse of 87016989 is 98961078
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-seven million sixteen thousand nine hundred eighty-nine
Scientific notation
8.7016989 × 10^7
Engineering notation
8.7016989 × 10^6
Prime Factorization
3 × 281 × 109 × 947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87016989
Product of the distinct prime numbers
The prime factorization of 87016989 is 3 × 281 × 109 × 947.
Since it has a total of 4 prime factors.
9 , 8 , 81 , 50 , 158 , 987 , 4596 , 2783 , 95832 , 93803 , 727842 , 340694 , 5987004 , 915050 , 13547203 , 22847414 , 321523533 , 579345683 , 9192764906 , 6065438093
n×2
174033978
n×3
261050967
n×4
348067956
n×5
435084945
n÷2
43508494.5
n÷3
29005663
n÷3
21754247.25
n÷5
17403397.8
n2
7571956374626121
n3
6.5888884455932E+23
n4
5.7334523339241E+31
n5
4.989077586731E+39
2 √n
9328.2897146261
3 √n
443.13360284696
4 √n
96.583071573781
5 √n
38.718703841625
1 , 3 , 109 , 281 , 327 , 843 , 947 , 2841 , 30629 , 91887 , 103223 , 266107 , 309669 , 798321 , 29005663 , 87016989
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
-87016988
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 87016989 can be divided by 16 positive divisors.
The sum of these divisors (counting 87016989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011111100011000011101
3
Ternary
20001201220212110
4
Quaternary
11023330120131
5
Quinary
134234020424
6
Senary
12345024233
8
Octal
513743035
10
Decimal
87016989
12
Duodecimal
25185079
16
Hexadecimal
52fc61d
20
Vigesimal
173h299
36
Base36
1ft2ql
md5
4b3f21857d560d803c8e7ea6391f9f29
sha1
dd52cb0e591acf0b4c98fa7353a523c31d0f977c
sha256
550fa2fb8bf4d978e42f40354c111e6f6b26d7b4261f05a3ece2cc9aaeeed340
sha512
edff1fce32f81e6026a4e0fcde36dd0df026427dab07a593be6d8d124c1d8c144aed148f4a17cfbe9e2d1ffce5277c2c382c2bee9e7cbbedd080940122899516
ripemd-160
881ccd503cf22936d4faaaaa439be34af9bd4fbe
Diameter
174033978
Circumference
546743866.75981
Area
2.3788002519828E+16
Volume
2.7599471381331E+24
Surface area
9.5152010079311E+16
Circumference
546743866.75981
Perimeter
348067956
Area
7571956374626121
Diagonal
123060606.00067
Surface area
45431738247756726
Volume
6.5888884455932E+23
Space diagonal
150717846.06966
Perimeter
261050967
Area
3.2787532883869E+15
Altitude
75358923.034831
Surface area
3.2787532883869E+15
Volume
7.7650795006011E+22
Height
41020202.000223