84686987 is an odd 8-digits composite number following 84686986
and preceding 84686988 . In scientific notation, it is written as 8.4686987 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 65832000 positive integers (up to 84686987) that are relatively prime to 84686987.
84686987 has 16 divisors, whose sum is 105836544
The reverse of 84686987 is 78968648
Previous prime number is 2111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighty-four million six hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
8.4686987 × 10^7
Engineering notation
8.4686987 × 10^6
Prime Factorization
7 × 11 × 2111 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
84686987
Product of the distinct prime numbers
The prime factorization of 84686987 is 7 × 11 × 2111 × 521.
Since it has a total of 4 prime factors.
5 , 4 , 15 , 2 , 622 , 592 , 3939 , 2710 , 1341 , 76243 , 878421 , 592613 , 5264621 , 3105762 , 16648642 , 46005174 , 93808338 , 717260299 , 926714203 , 9946496834
n×2
169373974
n×3
254060961
n×4
338747948
n×5
423434935
n÷2
42343493.5
n÷3
28228995.666667
n÷3
21171746.75
n÷5
16937397.4
n2
7171885767138169
n3
6.0736539672712E+23
n4
5.1435945456879E+31
n5
4.3559552442394E+39
2 √n
9202.553286996
3 √n
439.14259165556
4 √n
95.929939471449
5 √n
38.509097123003
1 , 7 , 11 , 77 , 521 , 2111 , 3647 , 5731 , 14777 , 23221 , 40117 , 162547 , 1099831 , 7698817 , 12098141 , 84686987
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
-84686986
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 84686987 can be divided by 16 positive divisors.
The sum of these divisors (counting 84686987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000011000011100010001011
3
Ternary
12220100112201002
4
Quaternary
11003003202023
5
Quinary
133134440422
6
Senary
12223045215
8
Octal
503034213
10
Decimal
84686987
12
Duodecimal
2444080b
16
Hexadecimal
50c388b
20
Vigesimal
1695h97
36
Base36
1ef4wb
md5
4a0ceca1dda35c103493c0ad591c5e70
sha1
cf699fa3e56c16d35908d6e0c9fcc19bd5e0c9dc
sha256
271e03285437e4714ec32046211ab60f62de756c482378b7937f4c8f0c4906ac
sha512
0b02ca20a0e2af5c85a442cb7e84cf5de5d81eb2ac20f48c24b2e0d204eaff9344627626912523652677d2127c95218ead86d0aa3e84c766b78327f7c3f0a4c6
ripemd-160
ba5391ec0733a099b57185e2db7a95e205044b62
Diameter
169373974
Circumference
532104032.42771
Area
2.2531143638426E+16
Volume
2.5441262245367E+24
Surface area
9.0124574553706E+16
Circumference
532104032.42771
Perimeter
338747948
Area
7171885767138169
Diagonal
119765485.57191
Surface area
43031314602829014
Volume
6.0736539672712E+23
Space diagonal
146682164.22392
Perimeter
254060961
Area
3.1055176336909E+15
Altitude
73341082.111962
Surface area
3.1055176336909E+15
Volume
7.15786984473E+22
Height
39921828.523971