87834981 is an odd 8-digits composite number following 87834980
and preceding 87834982 . In scientific notation, it is written as 8.7834981 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 54052272 positive integers (up to 87834981) that are relatively prime to 87834981.
87834981 has 8 divisors, whose sum is 126122080
The reverse of 87834981 is 18943878
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-seven million eight hundred thirty-four thousand nine hundred eighty-one
Scientific notation
8.7834981 × 10^7
Engineering notation
8.7834981 × 10^6
Prime Factorization
3 × 13 × 2252179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87834981
Product of the distinct prime numbers
The prime factorization of 87834981 is 3 × 13 × 2252179.
Since it has a total of 3 prime factors.
1 , 3 , 42 , 31 , 732 , 147 , 891 , 7406 , 26416 , 69304 , 325783 , 314089 , 4369418 , 8218387 , 93644148 , 50861068 , 819641722 , 146224092 , 5783604576 , 11624207
n×2
175669962
n×3
263504943
n×4
351339924
n×5
439174905
n÷2
43917490.5
n÷3
29278327
n÷3
21958745.25
n÷5
17566996.2
n2
7714983887270361
n3
6.776454631537E+23
n4
5.9520976380841E+31
n5
5.2280238295126E+39
2 √n
9372.0318501379
3 √n
444.51781462097
4 √n
96.809254981835
5 √n
38.791225696906
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
-87834980
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 87834981 can be divided by 8 positive divisors.
The sum of these divisors (counting 87834981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111000100000101100101
3
Ternary
20010021110221110
4
Quaternary
11033010011211
5
Quinary
134441204411
6
Senary
12414335233
8
Octal
517040545
10
Decimal
87834981
12
Duodecimal
254ba519
16
Hexadecimal
53c4165
20
Vigesimal
178j791
36
Base36
1galwl
md5
80df501b37a145513227af7974d4f2f2
sha1
c030a607eafd27fdae396693e8c4abc6b33baa3d
sha256
d0f4fd89818f1b09b6bca3625ac4ef9eb355152bd9615297d80897fb872d9dbd
sha512
bd3ee4ec8eba8cffd2416db19d00dfc254854a30d29b8334d805e5d17a4c7b13e2c0ee41e8eb3fb10050dadf88c9f488e5438a266f75fdb16659f1df3c6f1c2d
ripemd-160
213342601e938409d79587720bc40010d747392c
Diameter
175669962
Circumference
551883462.0756
Area
2.4237336702812E+16
Volume
2.8385146783761E+24
Surface area
9.6949346811249E+16
Circumference
551883462.0756
Perimeter
351339924
Area
7714983887270361
Diagonal
124217421.38098
Surface area
46289903323622166
Volume
6.776454631537E+23
Space diagonal
152134649.77385
Perimeter
263504943
Area
3.3406860180819E+15
Altitude
76067324.886923
Surface area
3.3406860180819E+15
Volume
7.9861283706046E+22
Height
41405807.126994