87945421 is an odd 8-digits prime number following 87945420
and preceding 87945422 . In scientific notation, it is written as 8.7945421 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 87945420 positive integers (up to 87945421) that are relatively prime to 87945421.
87945421 has 2 divisors, whose sum is 87945422
The reverse of 87945421 is 12454978
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million nine hundred forty-five thousand four hundred twenty-one
Scientific notation
8.7945421 × 10^7
Engineering notation
8.7945421 × 10^6
Prime Factorization
87945421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87945421
Product of the distinct prime numbers
The prime factorization of 87945421 is 87945421.
Since it has a total of 1 prime factors.
6 , 10 , 32 , 39 , 27 , 485 , 5888 , 9707 , 55080 , 49744 , 92671 , 75892 , 9087163 , 4879301 , 4140980 , 40328700 , 978297613 , 2613690 , 4710238845 , 8653988868
n×2
175890842
n×3
263836263
n×4
351781684
n×5
439727105
n÷2
43972710.5
n÷3
29315140.333333
n÷3
21986355.25
n÷5
17589084.2
n2
7734397074867241
n3
6.8020480693037E+23
n4
5.9820898111715E+31
n5
5.2609740690329E+39
2 √n
9377.9219979695
3 √n
444.7040425741
4 √n
96.839671612256
5 √n
38.800975684624
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87945422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43972711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9377.9220512862
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999772586
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87945421 can be divided by 2 positive divisors.
The sum of these divisors (counting 87945421) is 87945422, the average is 43972711.
Base
System
Value
2
Binary
101001111011111000011001101
3
Ternary
20010111002102211
4
Quaternary
11033133003031
5
Quinary
140003223141
6
Senary
12420550421
8
Octal
517370315
10
Decimal
87945421
12
Duodecimal
25552411
16
Hexadecimal
53df0cd
20
Vigesimal
179d3b1
36
Base36
1gcz4d
md5
f5ccab699cbb0c79e2667aad37ff0fb6
sha1
2b8b4e457c57d9c1de0ce39de4b09cc442ad0839
sha256
4082e02b8de86c9040e7973d0c9cd39270bab9d2521c74b0937c2b8e56b36fe1
sha512
61ca3dde26e909892d62eedd5be5147ca9c8c886b9002079a6bcd613645cd34f29ee26434856972275b762e906e2da1aff7582c497548e4608a504d2c580d7b0
ripemd-160
a588028690ca210eb0cf6bbedede6ea4d977bcb9
Diameter
175890842
Circumference
552577377.06092
Area
2.4298325030349E+16
Volume
2.8492352325185E+24
Surface area
9.7193300121397E+16
Circumference
552577377.06092
Perimeter
351781684
Area
7734397074867241
Diagonal
124373607.12681
Surface area
46406382449203446
Volume
6.8020480693037E+23
Space diagonal
152325937.46503
Perimeter
263836263
Area
3.3490921748955E+15
Altitude
76162968.732517
Surface area
3.3490921748955E+15
Volume
8.0162905262692E+22
Height
41457869.042271