166386989 is an odd 9-digits prime number following 166386988
and preceding 166386990 . In scientific notation, it is written as 1.66386989 × 10^8.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 166386988 positive integers (up to 166386989) that are relatively prime to 166386989.
166386989 has 2 divisors, whose sum is 166386990
The reverse of 166386989 is 989683661
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 56 Digital Root 2
Name
one hundred sixty-six million three hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
1.66386989 × 10^8
Engineering notation
1.66386989 × 10^6
Prime Factorization
166386989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
166386989 Product of the distinct prime numbers
The prime factorization of 166386989 is 166386989.
Since it has a total of 1 prime factors.
2 , 5 , 35 , 64 , 272 , 122 , 6193 , 9621 , 41537 , 86845 , 920979 , 765689 , 8792387 , 3550066 , 118584 , 64630315 , 466841971 , 532084064 , 5542489806 , 9201920201
n×2
332773978
n×3
499160967
n×4
665547956
n×5
831934945
n÷2
83193494.5
n÷3
55462329.666667
n÷3
41596747.25
n÷5
33277397.8
n2
27684630108486121
n3
4.6063622453297E+24
n4
7.664387442437E+32
n5
1.2752543490765E+41
2 √n12899.10806994
3 √n550.01321070197
4 √n113.57424034498
5 √n44.078202171845
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
166386990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
83193495 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12899.108108703 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999879798 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166386989 can be divided by 2 positive divisors.
The sum of these divisors (counting 166386989) is 166386990, the average is 83193495.
Base
System
Value
2
Binary
1001111010101101110100101101
3
Ternary
102121002100001002
4
Quaternary
21322231310231
5
Quinary
320043340424
6
Senary
24302130045
8
Octal
1172556455
10
Decimal
166386989
12
Duodecimal
47880925
16
Hexadecimal
9eadd2d
20
Vigesimal
2bji799
36
Base36
2r290t
md5
a2029da5cc0d1928429d20d9f6adb58f
sha1
bc58004b44e9e8b345f3b7ae8fe7b8c40a5c9f31
sha256
c53589b2c767e1960b9d5db77e9e700dd03c634ea6042b5edf4b57c33fb2bba4
sha512
09158f7c5de55428ff284572296dea28fd2318bc2a7db8b30c4a3ad8f4cbed4042e56bd9820ca40098db8f11d9ecb8516876c67d4f43d5083b9d384a2f6b1aa5
ripemd-160
3f448c77a78e7a88c3ef5c66caf0ebda2ff54a2e
Diameter
332773978
Circumference
1045440284.5907
Area
8.6973830566171E+16
Volume
1.9295085052935E+25
Surface area
3.4789532226468E+17
Circumference
1045440284.5907
Perimeter
665547956
Area
27684630108486121
Diagonal
235306736.44622
Surface area
166107780650916726
Volume
4.6063622453297E+24
Space diagonal
288190718.6664
Perimeter
499160967
Area
1.1987796484162E+16
Altitude
144095359.3332
Surface area
1.1987796484162E+16
Volume
5.4286499671239E+23
Height
78435578.815408