166157986 is an even 9-digits composite number following 166157985
and preceding 166157987 . In scientific notation, it is written as 1.66157986 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 82581348 positive integers (up to 166157986) that are relatively prime to 166157986.
166157986 has 8 divisors, whose sum is 250729920
The reverse of 166157986 is 689751661
Previous prime number is 167
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-six million one hundred fifty-seven thousand nine hundred eighty-six
Scientific notation
1.66157986 × 10^8
Engineering notation
1.66157986 × 10^6
Prime Factorization
2 × 167 × 497479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
166157986
Product of the distinct prime numbers
The prime factorization of 166157986 is 2 × 167 × 497479.
Since it has a total of 3 prime factors.
9 , 3 , 13 , 62 , 290 , 599 , 1109 , 981 , 86983 , 82002 , 566775 , 242671 , 8874734 , 8576831 , 58840362 , 78710617 , 619293370 , 269678283 , 1452067321 , 7769431741
n×2
332315972
n×3
498473958
n×4
664631944
n×5
830789930
n÷2
83078993
n÷3
55385995.333333
n÷3
41539496.5
n÷5
33231597.2
n2
27608476311576196
n3
4.5873688204602E+24
n4
7.6222796424686E+32
n5
1.2665026341214E+41
2 √n
12890.228314502
3 √n
549.76076206754
4 √n
113.53514131978
5 √n
44.066062277652
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166157985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157986 can be divided by 8 positive divisors.
The sum of these divisors (counting 166157986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001110101111010100010
3
Ternary
102120122200220111
4
Quaternary
21321311322202
5
Quinary
320014023421
6
Senary
24253201534
8
Octal
1171657242
10
Decimal
166157986
12
Duodecimal
477902aa
16
Hexadecimal
9e75ea2
20
Vigesimal
2bi9ej6
36
Base36
2qxcbm
md5
59a42181884f613eba59a7d4622a0431
sha1
88f7010e9424168cf962bbf6a49a8624784ab9d4
sha256
b6751f2981a9ad9bb7a817252ba71161d2a9cbee475c1de7c21e7fc10d62ca31
sha512
2a3f39fad45936de9ab744ab18488fa5a6b549a9762d45e157bee1b9ed02b1779f6b77ea3aa618719a60785a3f0164035fe9527a6abd028062171308e10b603e
ripemd-160
a225f78a473114d8f3226a25528a05803782bbd5
Diameter
332315972
Circumference
1044001416.3058
Area
8.6734586357256E+16
Volume
1.9215525580886E+25
Surface area
3.4693834542902E+17
Circumference
1044001416.3058
Perimeter
664631944
Area
27608476311576196
Diagonal
234982877.2978
Surface area
165650857869457176
Volume
4.5873688204602E+24
Space diagonal
287794073.83532
Perimeter
498473958
Area
1.1954820922803E+16
Altitude
143897036.91766
Surface area
1.1954820922803E+16
Volume
5.4062660012519E+23
Height
78327625.765933