166157021 is an odd 9-digits composite number following 166157020
and preceding 166157022 . In scientific notation, it is written as 1.66157021 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 164848572 positive integers (up to 166157021) that are relatively prime to 166157021.
166157021 has 4 divisors, whose sum is 167465472
The reverse of 166157021 is 120751661
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-six million one hundred fifty-seven thousand twenty-one
Scientific notation
1.66157021 × 10^8
Engineering notation
1.66157021 × 10^6
Prime Factorization
127 × 1308323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
166157021
Product of the distinct prime numbers
The prime factorization of 166157021 is 127 × 1308323.
Since it has a total of 2 prime factors.
6 , 3 , 71 , 61 , 880 , 881 , 1569 , 8992 , 94142 , 21467 , 72197 , 180106 , 4305707 , 5743796 , 29468867 , 16315358 , 910948553 , 35811433 , 5567107094 , 9022446185
n×2
332314042
n×3
498471063
n×4
664628084
n×5
830785105
n÷2
83078510.5
n÷3
55385673.666667
n÷3
41539255.25
n÷5
33231404.2
n2
27608155627594441
n3
4.5872888943855E+24
n4
7.6221025715747E+32
n5
1.2664658570493E+41
2 √n
12890.190882993
3 √n
549.75969777892
4 √n
113.53497647418
5 √n
44.066011092813
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166157020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157021 can be divided by 4 positive divisors.
The sum of these divisors (counting 166157021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111001110101101011011101
3
Ternary
102120122122120202
4
Quaternary
21321311223131
5
Quinary
320014011041
6
Senary
24253153245
8
Octal
1171655335
10
Decimal
166157021
12
Duodecimal
4778b825
16
Hexadecimal
9e75add
20
Vigesimal
2bi9cb1
36
Base36
2qxbkt
md5
f33c4732f97cecd0f4c5f44a41eabf74
sha1
aa4846f9d7d3de28a87be6e36867a59ec2f909e4
sha256
df2cc15ee5f74ee67a7ad2549a4d5bcd2d28b76b043cb07e62b955f0190470dd
sha512
a9b5c0bbf5e4b014bc629f5e6eb025da475c7d63b9efc5274c77c0ed110840b48611a0f97c15ee29f82cb8152bd6ce53574b3dd2b5f2f9e1807528a2a12458bb
ripemd-160
d80c05f78d8d294c4d6cc4f6ef1bdbae22b2f8ac
Diameter
332314042
Circumference
1043995353.0319
Area
8.6733578898814E+16
Volume
1.9215190787327E+25
Surface area
3.4693431559526E+17
Circumference
1043995353.0319
Perimeter
664628084
Area
27608155627594441
Diagonal
234981512.58171
Surface area
165648933765566646
Volume
4.5872888943855E+24
Space diagonal
287792402.40629
Perimeter
498471063
Area
1.1954682062566E+16
Altitude
143896201.20314
Surface area
1.1954682062566E+16
Volume
5.4061718074695E+23
Height
78327170.86057