166943988 is an even 9-digits composite number following 166943987
and preceding 166943989 . In scientific notation, it is written as 1.66943988 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 55647984 positive integers (up to 166943988) that are relatively prime to 166943988.
166943988 has 12 divisors, whose sum is 324613380
The reverse of 166943988 is 889349661
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred sixty-six million nine hundred forty-three thousand nine hundred eighty-eight
Scientific notation
1.66943988 × 10^8
Engineering notation
1.66943988 × 10^6
Prime Factorization
2 × 2 × 9 × 4637333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
83471994
Product of the distinct prime numbers
The prime factorization of 166943988 is 2 × 2 × 9 × 4637333.
Since it has a total of 4 prime factors.
2 , 4 , 82 , 43 , 909 , 949 , 1654 , 953 , 86330 , 43766 , 421897 , 700230 , 3639194 , 8965979 , 44355857 , 55849850 , 555845453 , 489067774 , 1535607244 , 9110732430
n×2
333887976
n×3
500831964
n×4
667775952
n×5
834719940
n÷2
83471994
n÷3
55647996
n÷3
41735997
n÷5
33388797.6
n2
27870295129344144
n3
4.6527782156297E+24
n4
7.7675335059674E+32
n5
1.2967430204098E+41
2 √n
12920.680632227
3 √n
550.62627063336
4 √n
113.66917186391
5 √n
44.107674073446
1 , 2 , 4 , 9 , 18 , 36 , 4637333 , 9274666 , 18549332 , 41735997 , 83471994 , 166943988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166943987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166943988 can be divided by 12 positive divisors.
The sum of these divisors (counting 166943988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100110101110011110100
3
Ternary
102122010122002200
4
Quaternary
21330311303310
5
Quinary
320214201423
6
Senary
24322104500
8
Octal
1174656364
10
Decimal
166943988
12
Duodecimal
47aab130
16
Hexadecimal
9f35cf4
20
Vigesimal
2c37jj8
36
Base36
2re6t0
md5
e855f222d6ee89ae03d2c3713d285a23
sha1
70600578620831bec452950072b330ab72d38519
sha256
5247655c5efa45ba3ae02d22056729d408b1ce4055900a6442a2ccd040faa159
sha512
1481580f631c63f4af366c467c0031adbe0262ceaf4a7e09c93982c1d209f203e35f8c9316f909ac360c7ab32fd4f01348bec68574a25aca18a0300bc3b9f77b
ripemd-160
12539f33e7ec025aae970768505c073e15b25285
Diameter
333887976
Circumference
1048940012.5236
Area
8.7557114431727E+16
Volume
1.9489511814673E+25
Surface area
3.5022845772691E+17
Circumference
1048940012.5236
Perimeter
667775952
Area
27870295129344144
Diagonal
236094451.98625
Surface area
167221770776064864
Volume
4.6527782156297E+24
Space diagonal
289155469.23417
Perimeter
500831964
Area
1.2068191796491E+16
Altitude
144577734.61708
Surface area
1.2068191796491E+16
Volume
5.4833517127147E+23
Height
78698150.662084