87084721 is an odd 8-digits composite number following 87084720
and preceding 87084722 . In scientific notation, it is written as 8.7084721 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 87065892 positive integers (up to 87084721) that are relatively prime to 87084721.
87084721 has 4 divisors, whose sum is 87103552
The reverse of 87084721 is 12748078
Previous prime number is 10663
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-seven million eighty-four thousand seven hundred twenty-one
Scientific notation
8.7084721 × 10^7
Engineering notation
8.7084721 × 10^6
Prime Factorization
10663 × 8167
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87084721
Product of the distinct prime numbers
The prime factorization of 87084721 is 10663 × 8167.
Since it has a total of 2 prime factors.
3 , 5 , 48 , 31 , 709 , 280 , 5924 , 3236 , 45230 , 84271 , 902312 , 565185 , 2946369 , 2638884 , 96690533 , 32733579 , 7121276 , 25257095 , 3378890604 , 680684650
n×2
174169442
n×3
261254163
n×4
348338884
n×5
435423605
n÷2
43542360.5
n÷3
29028240.333333
n÷3
21771180.25
n÷5
17416944.2
n2
7583748631647841
n3
6.6042863372118E+23
n4
5.751324330802E+31
n5
5.0085247472841E+39
2 √n
9331.9194702912
3 √n
443.24854799125
4 √n
96.601860594355
5 √n
38.724729513494
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
-87084720
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 87084721 can be divided by 4 positive divisors.
The sum of these divisors (counting 87084721) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001100111010110001
3
Ternary
20001212100210001
4
Quaternary
11030030322301
5
Quinary
134243202341
6
Senary
12350310001
8
Octal
514147261
10
Decimal
87084721
12
Duodecimal
251b8301
16
Hexadecimal
530ceb1
20
Vigesimal
1745bg1
36
Base36
1fuj01
md5
686d4e1ea0e2f60371ec172ebd424e4b
sha1
5dbfe26741906efef87ac2dd58aa5149d4f984d3
sha256
4f7d5856b2bdcb404a124106a59e08a43c40cff2e263362d333e51ffa851f83c
sha512
c37412279bbca6c87494992d3ccc71601923a87b64f0692278a50f5cd97744f3e458b593401d620a7726920cf5d1110dca5fe4ef8642d9663da9c27a2e92c476
ripemd-160
2bfab9bb70fb90873b0422524988c2a36e071a3d
Diameter
174169442
Circumference
547169439.46703
Area
2.3825048987857E+16
Volume
2.7663969918918E+24
Surface area
9.5300195951426E+16
Circumference
547169439.46703
Perimeter
348338884
Area
7583748631647841
Diagonal
123156393.51368
Surface area
45502491789887046
Volume
6.6042863372118E+23
Space diagonal
150835161.33496
Perimeter
261254163
Area
3.2838594854613E+15
Altitude
75417580.66748
Surface area
3.2838594854613E+15
Volume
7.7832260899003E+22
Height
41052131.171226