87085421 is an odd 8-digits composite number following 87085420
and preceding 87085422 . In scientific notation, it is written as 8.7085421 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 87011232 positive integers (up to 87085421) that are relatively prime to 87085421.
87085421 has 4 divisors, whose sum is 87159612
The reverse of 87085421 is 12458078
Previous prime number is 1193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-seven million eighty-five thousand four hundred twenty-one
Scientific notation
8.7085421 × 10^7
Engineering notation
8.7085421 × 10^6
Prime Factorization
1193 × 72997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87085421
Product of the distinct prime numbers
The prime factorization of 87085421 is 1193 × 72997.
Since it has a total of 2 prime factors.
10 , 3 , 9 , 42 , 479 , 259 , 6816 , 7970 , 62642 , 79894 , 197136 , 646128 , 3699083 , 6472705 , 36163827 , 36847434 , 42647881 , 419204522 , 4144993576 , 3211930795
n×2
174170842
n×3
261256263
n×4
348341684
n×5
435427105
n÷2
43542710.5
n÷3
29028473.666667
n÷3
21771355.25
n÷5
17417084.2
n2
7583870550747241
n3
6.6044455972133E+23
n4
5.7515092530491E+31
n5
5.0087260468718E+39
2 √n
9331.9569758974
3 √n
443.24973562075
4 √n
96.602054718817
5 √n
38.724791768327
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87085420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87085421 can be divided by 4 positive divisors.
The sum of these divisors (counting 87085421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101000101101101
3
Ternary
20001212101201222
4
Quaternary
11030031011231
5
Quinary
134243213141
6
Senary
12350313125
8
Octal
514150555
10
Decimal
87085421
12
Duodecimal
251b87a5
16
Hexadecimal
530d16d
20
Vigesimal
1745db1
36
Base36
1fujjh
md5
1de84d80cfb9f9e26f0655f3cde11cc1
sha1
feba1d779b92573ac46f3a25cef653665bf7e4c2
sha256
edebb1f9cbd5532aa335970f46dc1a3f894a200ae2e1f87c9869e6e7907658dc
sha512
5ef720c55f3cf9f81a753bc1d5037a58e400969dbc21f6c007995df546d3efdd39b5607ee11831a1aa5e81536eab5d69925c159648769c6a8add351bd7b064c3
ripemd-160
930c223ee08ea5602a4fa9fec02794a1f7cfb022
Diameter
174170842
Circumference
547173837.69675
Area
2.3825432008004E+16
Volume
2.7664637025651E+24
Surface area
9.5301728032014E+16
Circumference
547173837.69675
Perimeter
348341684
Area
7583870550747241
Diagonal
123157383.46317
Surface area
45503223304483446
Volume
6.6044455972133E+23
Space diagonal
150836373.77053
Perimeter
261256263
Area
3.2839122779799E+15
Altitude
75418186.885263
Surface area
3.2839122779799E+15
Volume
7.7834137796119E+22
Height
41052461.15439