87942018 is an even 8-digits composite number following 87942017
and preceding 87942019 . In scientific notation, it is written as 8.7942018 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 27664032 positive integers (up to 87942018) that are relatively prime to 87942018.
87942018 has 32 divisors, whose sum is 141523200
The reverse of 87942018 is 81024978
Previous prime number is 269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million nine hundred forty-two thousand eighteen
Scientific notation
8.7942018 × 10^7
Engineering notation
8.7942018 × 10^6
Prime Factorization
2 × 69 × 23 × 269 × 103
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87942018
Product of the distinct prime numbers
The prime factorization of 87942018 is 2 × 69 × 23 × 269 × 103.
Since it has a total of 5 prime factors.
9 , 6 , 45 , 70 , 359 , 796 , 7301 , 8548 , 14492 , 41247 , 274229 , 471610 , 4076534 , 9844430 , 58478542 , 52344776 , 938251194 , 788599240 , 5832570241 , 887645658
n×2
175884036
n×3
263826054
n×4
351768072
n×5
439710090
n÷2
43971009
n÷3
29314006
n÷3
21985504.5
n÷5
17588403.6
n2
7733798529912324
n3
6.8012584952592E+23
n4
5.9811639701274E+31
n5
5.259956295219E+39
2 √n
9377.7405594311
3 √n
444.69830664016
4 √n
96.83873480912
5 √n
38.800675403467
1 , 2 , 23 , 46 , 69 , 103 , 138 , 206 , 269 , 538 , 1587 , 2369 , 3174 , 4738 , 6187 , 7107 , 12374 , 14214 , 18561 , 27707 , 37122 , 55414 , 163461 , 326922 , 426903 , 637261 , 853806 , 1274522 , 1911783 , 3823566 , 43971009 , 87942018
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
-87942017
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 87942018 can be divided by 32 positive divisors.
The sum of these divisors (counting 87942018) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001111011110001110000010
3
Ternary
20010110220202210
4
Quaternary
11033132032002
5
Quinary
140003121033
6
Senary
12420522550
8
Octal
517361602
10
Decimal
87942018
12
Duodecimal
25550456
16
Hexadecimal
53de382
20
Vigesimal
179cf0i
36
Base36
1gcwhu
md5
2206518a0fa3ff48e24cab4d4fbf1357
sha1
6b8e36d5e50de6bf16035e8fdc136fdd484731d0
sha256
1e39649a3767249bccf35fcc005ea964a661c1819f19f2449c00dd0451569e76
sha512
9ebf7f63c8649c738854de6d89488c7560e89ecc09885b8ec15fa2669d531ddee58f8d3238e97a81e4d06aa69822b9d9a09150a78acee0f061f31cba79943307
ripemd-160
3099eca7d5ae07a84a8ea76402d2a8872a4292d8
Diameter
175884036
Circumference
552555995.38132
Area
2.4296444645916E+16
Volume
2.8489044965162E+24
Surface area
9.7185778583664E+16
Circumference
552555995.38132
Perimeter
351768072
Area
7733798529912324
Diagonal
124368794.55806
Surface area
46402791179473944
Volume
6.8012584952592E+23
Space diagonal
152320043.29614
Perimeter
263826054
Area
3.3488329973274E+15
Altitude
76160021.648068
Surface area
3.3488329973274E+15
Volume
8.015360004334E+22
Height
41456264.852686