166155985 is an odd 9-digits composite number following 166155984
and preceding 166155986 . In scientific notation, it is written as 1.66155985 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 129682560 positive integers (up to 166155985) that are relatively prime to 166155985.
166155985 has 8 divisors, whose sum is 204250536
The reverse of 166155985 is 589551661
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred sixty-six million one hundred fifty-five thousand nine hundred eighty-five
Scientific notation
1.66155985 × 10^8
Engineering notation
1.66155985 × 10^6
Prime Factorization
5 × 41 × 810517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
166155985
Product of the distinct prime numbers
The prime factorization of 166155985 is 5 × 41 × 810517.
Since it has a total of 3 prime factors.
9 , 3 , 2 , 87 , 985 , 940 , 2419 , 4458 , 80548 , 56377 , 595055 , 23082 , 2641575 , 6294674 , 13878593 , 36986082 , 493237235 , 887338910 , 4011534610 , 9682556227
n×2
332311970
n×3
498467955
n×4
664623940
n×5
830779925
n÷2
83077992.5
n÷3
55385328.333333
n÷3
41538996.25
n÷5
33231197
n2
27607811351320225
n3
4.5872030887728E+24
n4
7.6219124761009E+32
n5
1.2664263750503E+41
2 √n
12890.150697335
3 √n
549.75855518053
4 √n
113.53479949925
5 √n
44.065956141778
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
-166155984
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 166155985 can be divided by 8 positive divisors.
The sum of these divisors (counting 166155985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001110101011011010001
3
Ternary
102120122121011101
4
Quaternary
21321311123101
5
Quinary
320013442420
6
Senary
24253144401
8
Octal
1171653321
10
Decimal
166155985
12
Duodecimal
4778b101
16
Hexadecimal
9e756d1
20
Vigesimal
2bi99j5
36
Base36
2qxas1
md5
68e9379d0902f781b9dbd3242f54fd74
sha1
3f0b33e97f8c69d21b3401ac1d4f98ff24401eca
sha256
31b77427862f937b59684a68ec03c5303f0ecb27c9fc4b880080673978859743
sha512
2cc2f344316bd2b2be89857ca74d8c7d51c7cf62b80687e7747771cd8da2630b9961ce6d55b57aac6b035ab49ebf8042d16b140fd7a7b15491742501229ac744
ripemd-160
3a3faf8d196b9907d530cea3e9d0b58fde017d36
Diameter
332311970
Circumference
1043988843.652
Area
8.6732497323001E+16
Volume
1.9214831365617E+25
Surface area
3.46929989292E+17
Circumference
1043988843.652
Perimeter
664623940
Area
27607811351320225
Diagonal
234980047.45646
Surface area
165646868107921350
Volume
4.5872030887728E+24
Space diagonal
287790608.00165
Perimeter
498467955
Area
1.1954532986566E+16
Altitude
143895304.00083
Surface area
1.1954532986566E+16
Volume
5.4060706845852E+23
Height
78326682.485487