166151221 is an odd 9-digits prime number following 166151220
and preceding 166151222 . In scientific notation, it is written as 1.66151221 × 10^8.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 166151220 positive integers (up to 166151221) that are relatively prime to 166151221.
166151221 has 2 divisors, whose sum is 166151222
The reverse of 166151221 is 122151661
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 25 Digital Root 7
Name
one hundred sixty-six million one hundred fifty-one thousand two hundred twenty-one
Scientific notation
1.66151221 × 10^8
Engineering notation
1.66151221 × 10^6
Prime Factorization
166151221
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
166151221 Product of the distinct prime numbers
The prime factorization of 166151221 is 166151221.
Since it has a total of 1 prime factors.
3 , 10 , 95 , 53 , 106 , 494 , 1652 , 7898 , 6248 , 85456 , 839549 , 575431 , 5101399 , 4763789 , 52859315 , 88502238 , 125436544 , 340723393 , 9897087215 , 6616867112
n×2
332302442
n×3
498453663
n×4
664604884
n×5
830756105
n÷2
83075610.5
n÷3
55383740.333333
n÷3
41537805.25
n÷5
33230244.2
n2
27606228239790841
n3
4.5868085292459E+24
n4
7.6210383762743E+32
n5
1.2662448315058E+41
2 √n12889.965903756
3 √n549.75330093146
4 √n113.53398567722
5 √n44.065703448355
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
166151222 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
83075611 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12889.965942546 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999879628 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166151221 can be divided by 2 positive divisors.
The sum of these divisors (counting 166151221) is 166151222, the average is 83075611.
Base
System
Value
2
Binary
1001111001110100010000110101
3
Ternary
102120122100121221
4
Quaternary
21321310100311
5
Quinary
320013314341
6
Senary
24253110341
8
Octal
1171642065
10
Decimal
166151221
12
Duodecimal
477883b1
16
Hexadecimal
9e74435
20
Vigesimal
2bi8i11
36
Base36
2qx73p
md5
46f61106b9f6876965994f86a1ddfa66
sha1
cf89cd0f61d95db83c8cebdc9a33962b43d77f19
sha256
3f89b03bff5600536756e17cb8b37e64589dbf155aae9c9e9cc5769e85a90025
sha512
d7f8f76b8b5edef5aa9197bea2f6550b486d60c1f6c8bef7949f5e4249f76cdc15eb249188ddcf631383b17526824f5d17160959dd78124dfd296cd0f6bbf321
ripemd-160
bb7871ded690581e020f840b08354175900e92c4
Diameter
332302442
Circumference
1043958910.5571
Area
8.672752383145E+16
Volume
1.9213178638536E+25
Surface area
3.469100953258E+17
Circumference
1043958910.5571
Perimeter
664604884
Area
27606228239790841
Diagonal
234973310.14305
Surface area
165637369438745046
Volume
4.5868085292459E+24
Space diagonal
287782356.5116
Perimeter
498453663
Area
1.1953847479165E+16
Altitude
143891178.2558
Surface area
1.1953847479165E+16
Volume
5.4056056917235E+23
Height
78324436.71435