66889621 is an odd 8-digits prime number following 66889620
and preceding 66889622 . In scientific notation, it is written as 6.6889621 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 66889620 positive integers (up to 66889621) that are relatively prime to 66889621.
66889621 has 2 divisors, whose sum is 66889622
The reverse of 66889621 is 12698866
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
sixty-six million eight hundred eighty-nine thousand six hundred twenty-one
Scientific notation
6.6889621 × 10^7
Engineering notation
6.6889621 × 10^6
Prime Factorization
66889621
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66889621 Product of the distinct prime numbers
The prime factorization of 66889621 is 66889621.
Since it has a total of 1 prime factors.
2 , 5 , 50 , 18 , 69 , 363 , 7179 , 4897 , 83221 , 61735 , 921074 , 579771 , 4928253 , 6384928 , 92937903 , 77117278 , 768838442 , 457527742 , 1705853081 , 8561529681
n×2
133779242
n×3
200668863
n×4
267558484
n×5
334448105
n÷2
33444810.5
n÷3
22296540.333333
n÷3
16722405.25
n÷5
13377924.2
n2
4474221397523641
n3
2.9927897355045E+23
n4
2.0018657114058E+31
n5
1.3390403872883E+39
2 √n8178.6075220663
3 √n405.93164783947
4 √n90.435654042343
5 √n36.734298189661
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66889622 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33444811 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8178.6075832014 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999701 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66889621 can be divided by 2 positive divisors.
The sum of these divisors (counting 66889621) is 66889622, the average is 33444811.
Base
System
Value
2
Binary
11111111001010011110010101
3
Ternary
11122212100022101
4
Quaternary
3333022132111
5
Quinary
114110431441
6
Senary
10345402101
8
Octal
377123625
10
Decimal
66889621
12
Duodecimal
1a499331
16
Hexadecimal
3fca795
20
Vigesimal
10i1411
36
Base36
13tod1
md5
33d842f8d6caf118465efe1ef7d4af44
sha1
b0c9e524d0f53fb2c3378cffefc683ce50017b15
sha256
96abe4521e1a7b347c9262d9c98160c493fd83a65b19d8bd2c47c0c79a504d76
sha512
43e0a193bb6e100225dca6256c124f3e976e5bbe41150cec75f30994df174232b74b690d7f590074ef58ffcd664d0d25d2c31a1ac692c46d347aace06e08efc4
ripemd-160
65493cf03b616d6087d272fe302595f920e425dc
Diameter
133779242
Circumference
420279883.87001
Area
1.4056181072995E+16
Volume
1.2536168329066E+24
Surface area
5.6224724291978E+16
Circumference
420279883.87001
Perimeter
267558484
Area
4474221397523641
Diagonal
94596209.200196
Surface area
26845328385141846
Volume
2.9927897355045E+23
Space diagonal
115856222.07103
Perimeter
200668863
Area
1.9373946962057E+15
Altitude
57928111.035513
Surface area
1.9373946962057E+15
Volume
3.5270365277345E+22
Height
31532069.733399