87081293 is an odd 8-digits composite number following 87081292
and preceding 87081294 . In scientific notation, it is written as 8.7081293 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 75221760 positive integers (up to 87081293) that are relatively prime to 87081293.
87081293 has 16 divisors, whose sum is 99864576
The reverse of 87081293 is 39218078
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million eighty-one thousand two hundred ninety-three
Scientific notation
8.7081293 × 10^7
Engineering notation
8.7081293 × 10^6
Prime Factorization
17 × 191 × 13 × 2063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87081293
Product of the distinct prime numbers
The prime factorization of 87081293 is 17 × 191 × 13 × 2063.
Since it has a total of 4 prime factors.
1 , 1 , 33 , 90 , 465 , 86 , 7828 , 6614 , 36518 , 52287 , 841917 , 261192 , 1713215 , 1698884 , 62218978 , 21799356 , 461419757 , 824762001 , 654129823 , 4942686002
n×2
174162586
n×3
261243879
n×4
348325172
n×5
435406465
n÷2
43540646.5
n÷3
29027097.666667
n÷3
21770323.25
n÷5
17416258.6
n2
7583151590551849
n3
6.6035064552026E+23
n4
5.7504188045289E+31
n5
5.0075390478989E+39
2 √n
9331.7357978031
3 √n
443.242731908
4 √n
96.600909922232
5 √n
38.724424636906
1 , 13 , 17 , 191 , 221 , 2063 , 2483 , 3247 , 26819 , 35071 , 42211 , 394033 , 455923 , 5122429 , 6698561 , 87081293
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
-87081292
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 87081293 can be divided by 16 positive divisors.
The sum of these divisors (counting 87081293) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001100000101001101
3
Ternary
20001212012002002
4
Quaternary
11030030011031
5
Quinary
134243100133
6
Senary
12350242045
8
Octal
514140515
10
Decimal
87081293
12
Duodecimal
251b6325
16
Hexadecimal
530c14d
20
Vigesimal
174534d
36
Base36
1fugct
md5
c913af6db3c717f934312d3f4d4b539f
sha1
bc975ebc84e66d58566ffad7c62cbf6b353cb2bb
sha256
7f1d979a396a8164a45a1bf311f9f6a708941c417510abac0c09b13c2121780a
sha512
162bfa277aa22795d24b61a3bbc571fff418387bccff40c289d20565661384673f0e9a055db9660aff4df0d14732aadc14776810df5a5f9a180224a6f2b46d58
ripemd-160
8e18dc550a7b71551a588c55daba3ff81b4c495f
Diameter
174162586
Circumference
547147900.7078
Area
2.3823173327935E+16
Volume
2.7660703156796E+24
Surface area
9.5292693311742E+16
Circumference
547147900.7078
Perimeter
348325172
Area
7583151590551849
Diagonal
123151545.58959
Surface area
45498909543311094
Volume
6.6035064552026E+23
Space diagonal
150829223.86479
Perimeter
261243879
Area
3.2836009590831E+15
Altitude
75414611.932396
Surface area
3.2836009590831E+15
Volume
7.7823069901382E+22
Height
41050515.196528