87998081 is an odd 8-digits composite number following 87998080
and preceding 87998082 . In scientific notation, it is written as 8.7998081 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 85821120 positive integers (up to 87998081) that are relatively prime to 87998081.
87998081 has 8 divisors, whose sum is 90181344
The reverse of 87998081 is 18089978
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty-seven million nine hundred ninety-eight thousand eighty-one
Scientific notation
8.7998081 × 10^7
Engineering notation
8.7998081 × 10^6
Prime Factorization
43 × 947 × 2161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87998081
Product of the distinct prime numbers
The prime factorization of 87998081 is 43 × 947 × 2161.
Since it has a total of 3 prime factors.
2 , 8 , 13 , 84 , 375 , 948 , 9580 , 1388 , 83583 , 98951 , 838287 , 681975 , 8666409 , 6132690 , 17620789 , 65832819 , 293549670 , 803501360 , 7031373319 , 5650035390
n×2
175996162
n×3
263994243
n×4
351992324
n×5
439990405
n÷2
43999040.5
n÷3
29332693.666667
n÷3
21999520.25
n÷5
17599616.2
n2
7743662259682561
n3
6.8142741876419E+23
n4
5.9964305192032E+31
n5
5.2767437853972E+39
2 √n
9380.7292360456
3 √n
444.79278489506
4 √n
96.854164784203
5 √n
38.805621225339
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
-87998080
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 87998081 can be divided by 8 positive divisors.
The sum of these divisors (counting 87998081) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111101011111010000001
3
Ternary
20010120202200012
4
Quaternary
11033223322001
5
Quinary
140011414311
6
Senary
12422034305
8
Octal
517537201
10
Decimal
87998081
12
Duodecimal
25578995
16
Hexadecimal
53ebe81
20
Vigesimal
179jf41
36
Base36
1ge3r5
md5
149b07fe593c30fa4b2bcf32c138aac0
sha1
712f5e6b25a20b789b99da9786296d29834b65dd
sha256
8f90e04990b12d5094f0baf7d008b7feae4385b28e177311a1fba6825328a784
sha512
c41c83c60241b26a55a93f91b7cf2e0ff83ef4510b9b5fecd1c70203e5a7cdea4ed9ae899285a7500c2495d1ce699562f08bdbd78391bf7635a1df5d3e9f65b1
ripemd-160
229bdd76f485f6766b900528c4780875a1addd0c
Diameter
175996162
Circumference
552908249.5992
Area
2.4327432466899E+16
Volume
2.8543564969923E+24
Surface area
9.7309729867597E+16
Circumference
552908249.5992
Perimeter
351992324
Area
7743662259682561
Diagonal
124448079.61301
Surface area
46461973558095366
Volume
6.8142741876419E+23
Space diagonal
152417147.26056
Perimeter
263994243
Area
3.353104117606E+15
Altitude
76208573.630281
Surface area
3.353104117606E+15
Volume
8.0306991449101E+22
Height
41482693.204335