66887531 is an odd 8-digits prime number following 66887530
and preceding 66887532 . In scientific notation, it is written as 6.6887531 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 66887530 positive integers (up to 66887531) that are relatively prime to 66887531.
66887531 has 2 divisors, whose sum is 66887532
The reverse of 66887531 is 13578866
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
sixty-six million eight hundred eighty-seven thousand five hundred thirty-one
Scientific notation
6.6887531 × 10^7
Engineering notation
6.6887531 × 10^6
Prime Factorization
66887531
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66887531 Product of the distinct prime numbers
The prime factorization of 66887531 is 66887531.
Since it has a total of 1 prime factors.
3 , 9 , 48 , 64 , 960 , 844 , 8401 , 8908 , 83355 , 65339 , 241872 , 133793 , 2437865 , 4307847 , 30412176 , 63310944 , 950838537 , 420372637 , 3999070488 , 70985463
n×2
133775062
n×3
200662593
n×4
267550124
n×5
334437655
n÷2
33443765.5
n÷3
22295843.666667
n÷3
16721882.75
n÷5
13377506.2
n2
4473941803275961
n3
2.9925092105882E+23
n4
2.00161552591E+31
n5
1.3388312053939E+39
2 √n8178.4797487064
3 √n405.92741994897
4 √n90.434947607141
5 √n36.734068630451
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66887532 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33443766 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8178.4798098424 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999700991 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66887531 can be divided by 2 positive divisors.
The sum of these divisors (counting 66887531) is 66887532, the average is 33443766.
Base
System
Value
2
Binary
11111111001001111101101011
3
Ternary
11122212020102222
4
Quaternary
3333021331223
5
Quinary
114110400111
6
Senary
10345344255
8
Octal
377117553
10
Decimal
66887531
12
Duodecimal
1a49808b
16
Hexadecimal
3fc9f6b
20
Vigesimal
10i0igb
36
Base36
13tmqz
md5
7b04a262fac3b52de4ccf2e7f8bb68a3
sha1
fc0b97181f5a1eecb9be617e99b7788ec301bbe8
sha256
93dd8aa27d36ba0b2bb501035c919895ae2e3fbca29a67424e4d30179147a9d7
sha512
2439817ab970e59f709440d430fe391f936bf32c9165bdd381855f1eb7b998283a4ef76e0d5d33ce9e1b56a03514d49a4e32a263aef8e174f7a23e756dd9f0b3
ripemd-160
ca23d484e6d0d9644b64bb774e6311a42673717a
Diameter
133775062
Circumference
420266752.01272
Area
1.405530270176E+16
Volume
1.2534993269045E+24
Surface area
5.622121080704E+16
Circumference
420266752.01272
Perimeter
267550124
Area
4473941803275961
Diagonal
94593253.493851
Surface area
26843650819655766
Volume
2.9925092105882E+23
Space diagonal
115852602.08484
Perimeter
200662593
Area
1.9372736283451E+15
Altitude
57926301.042419
Surface area
1.9372736283451E+15
Volume
3.5267059259502E+22
Height
31531084.49795