166381421 is an odd 9-digits prime number following 166381420
and preceding 166381422 . In scientific notation, it is written as 1.66381421 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 166381420 positive integers (up to 166381421) that are relatively prime to 166381421.
166381421 has 2 divisors, whose sum is 166381422
The reverse of 166381421 is 124183661
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-six million three hundred eighty-one thousand four hundred twenty-one
Scientific notation
1.66381421 × 10^8
Engineering notation
1.66381421 × 10^6
Prime Factorization
166381421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
166381421
Product of the distinct prime numbers
The prime factorization of 166381421 is 166381421.
Since it has a total of 1 prime factors.
10 , 5 , 92 , 1 , 284 , 605 , 5465 , 320 , 10807 , 7673 , 917945 , 659801 , 1292032 , 6870347 , 48257863 , 60105666 , 472643200 , 544975431 , 6748930483 , 8836239538
n×2
332762842
n×3
499144263
n×4
665525684
n×5
831907105
n÷2
83190710.5
n÷3
55460473.666667
n÷3
41595355.25
n÷5
33276284.2
n2
27682777253979241
n3
4.6058998167435E+24
n4
7.6633615649343E+32
n5
1.2750409868106E+41
2 √n
12898.892239258
3 √n
550.00707539107
4 √n
113.57329016656
5 √n
44.077907159938
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
166381422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
83190711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12898.892278021
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999879794
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166381421 can be divided by 2 positive divisors.
The sum of these divisors (counting 166381421) is 166381422, the average is 83190711.
Base
System
Value
2
Binary
1001111010101100011101101101
3
Ternary
102121002001101212
4
Quaternary
21322230131231
5
Quinary
320043201141
6
Senary
24302044205
8
Octal
1172543555
10
Decimal
166381421
12
Duodecimal
47879665
16
Hexadecimal
9eac76d
20
Vigesimal
2bjhdb1
36
Base36
2r24q5
md5
1c5029af746efd1439daeaf46139634a
sha1
3ea0c0706c3ee419d0b176f0d05bf058dd9f9a28
sha256
698a829dd42a3721831382b0565c652957a7db2613b94d18e13e2b95c7479f15
sha512
46141968ee1b96f495881d67985af1550a82574b6bd616512b3a5be7e59658bccbb239b20b611eea932f29f56c907846b5be5b2ab30b6437c593ea92c462f573
ripemd-160
63423f04f869852fc62dcabdf6b0fe87f4903455
Diameter
332762842
Circumference
1045405299.8149
Area
8.6968009652064E+16
Volume
1.9293148036603E+25
Surface area
3.4787203860826E+17
Circumference
1045405299.8149
Perimeter
665525684
Area
27682777253979241
Diagonal
235298862.10511
Surface area
166096663523875446
Volume
4.6058998167435E+24
Space diagonal
288181074.60751
Perimeter
499144263
Area
1.1986994174626E+16
Altitude
144090537.30375
Surface area
1.1986994174626E+16
Volume
5.4281049898087E+23
Height
78432954.035036