66562891 is an odd 8-digits prime number following 66562890
and preceding 66562892 . In scientific notation, it is written as 6.6562891 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 66562890 positive integers (up to 66562891) that are relatively prime to 66562891.
66562891 has 2 divisors, whose sum is 66562892
The reverse of 66562891 is 19826566
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million five hundred sixty-two thousand eight hundred ninety-one
Scientific notation
6.6562891 × 10^7
Engineering notation
6.6562891 × 10^6
Prime Factorization
66562891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66562891
Product of the distinct prime numbers
The prime factorization of 66562891 is 66562891.
Since it has a total of 1 prime factors.
3 , 6 , 66 , 10 , 832 , 632 , 1684 , 5904 , 64818 , 94101 , 104293 , 201806 , 9557054 , 214633 , 81343251 , 1054051 , 622909542 , 88689521 , 4217110604 , 3972016655
n×2
133125782
n×3
199688673
n×4
266251564
n×5
332814455
n÷2
33281445.5
n÷3
22187630.333333
n÷3
16640722.75
n÷5
13312578.2
n2
4430618458277881
n3
2.9491477350094E+23
n4
1.9630379922833E+31
n5
1.3066548390921E+39
2 √n
8158.6083984954
3 √n
405.26962891876
4 √n
90.325015352866
5 √n
36.698341290898
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66562892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33281446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8158.6084597804
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999699532
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66562891 can be divided by 2 positive divisors.
The sum of these divisors (counting 66562891) is 66562892, the average is 33281446.
Base
System
Value
2
Binary
11111101111010101101001011
3
Ternary
11122020202010021
4
Quaternary
3331322231023
5
Quinary
114020003031
6
Senary
10334401311
8
Octal
375725513
10
Decimal
66562891
12
Duodecimal
1a360237
16
Hexadecimal
3f7ab4b
20
Vigesimal
10g074b
36
Base36
13mo97
md5
648bbd9b2fbd9ad2ac991007df82fcaa
sha1
5c95eac31bb5557453652c9d3b571dd8376ff008
sha256
a9505f9911ebaa221908bbddafbad8a28ced1ffa1544f08368a48b609e2ba0a7
sha512
8a52354050b5ca36b2950e59ab808ed478fa5d6c99743f93eb59bee1f19520a6b7118328b66c08de8f5561330600af8f0723863a23b601f9b3924c7d2c2960b0
ripemd-160
32f71a4a246fbaaa08de49f7903aed1554b187b8
Diameter
133125782
Circumference
418226978.7346
Area
1.3919198399385E+16
Volume
1.2353361144875E+24
Surface area
5.5676793597541E+16
Circumference
418226978.7346
Perimeter
266251564
Area
4430618458277881
Diagonal
94134143.202962
Surface area
26583710749667286
Volume
2.9491477350094E+23
Space diagonal
115290309.11067
Perimeter
199688673
Area
1.9185140696724E+15
Altitude
57645154.555335
Surface area
1.9185140696724E+15
Volume
3.4756039369101E+22
Height
31378047.734321