87127921 is an odd 8-digits prime number following 87127920
and preceding 87127922 . In scientific notation, it is written as 8.7127921 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 87127920 positive integers (up to 87127921) that are relatively prime to 87127921.
87127921 has 2 divisors, whose sum is 87127922
The reverse of 87127921 is 12972178
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-seven million one hundred twenty-seven thousand nine hundred twenty-one
Scientific notation
8.7127921 × 10^7
Engineering notation
8.7127921 × 10^6
Prime Factorization
87127921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87127921
Product of the distinct prime numbers
The prime factorization of 87127921 is 87127921.
Since it has a total of 1 prime factors.
6 , 6 , 46 , 98 , 941 , 679 , 8440 , 5948 , 91453 , 24335 , 775769 , 974702 , 5509404 , 5282686 , 12439100 , 47393496 , 37792477 , 649786566 , 6185811574 , 9044835771
n×2
174255842
n×3
261383763
n×4
348511684
n×5
435639605
n÷2
43563960.5
n÷3
29042640.333333
n÷3
21781980.25
n÷5
17425584.2
n2
7591274617782241
n3
6.6141197518744E+23
n4
5.7627450322585E+31
n5
5.0209599391376E+39
2 √n
9334.2338196555
3 √n
443.32182977795
4 √n
96.613838655006
5 √n
38.728570776218
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87127922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43563961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9334.2338732217
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999770452
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87127921 can be divided by 2 positive divisors.
The sum of these divisors (counting 87127921) is 87127922, the average is 43563961.
Base
System
Value
2
Binary
101001100010111011101110001
3
Ternary
20001221120001001
4
Quaternary
11030113131301
5
Quinary
134301043141
6
Senary
12351242001
8
Octal
514273561
10
Decimal
87127921
12
Duodecimal
25219301
16
Hexadecimal
5317771
20
Vigesimal
174ajg1
36
Base36
1fvgc1
md5
2792231b28a6f5c8c4bb9887f7e81081
sha1
aa68ab8b4079759f0794d3d58b1172090e18bc3a
sha256
b101970f8d55c0b9fde632af95a596e47d47e012e6d243be085db26585317d69
sha512
61051f913651055b1b58a5fe7a0e6e61bfcdba8eb8e5f8e0aa80956757390ab5f3b11a1e0f9ae39c692f60696b8c46f5b3bbabd22d3e8c70afc88fbfa83496e5
ripemd-160
b07d12ccb594aa31f9aa17cd5835df738ffdbf8e
Diameter
174255842
Circumference
547440873.0723
Area
2.3848692570607E+16
Volume
2.7705160029936E+24
Surface area
9.5394770282429E+16
Circumference
547440873.0723
Perimeter
348511684
Area
7591274617782241
Diagonal
123217487.53957
Surface area
45547647706693446
Volume
6.6141197518744E+23
Space diagonal
150909985.92985
Perimeter
261383763
Area
3.2871183330517E+15
Altitude
75454992.964924
Surface area
3.2871183330517E+15
Volume
7.7948148802171E+22
Height
41072495.846524