166157988 is an even 9-digits composite number following 166157987
and preceding 166157989 . In scientific notation, it is written as 1.66157988 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 55258080 positive integers (up to 166157988) that are relatively prime to 166157988.
166157988 has 24 divisors, whose sum is 388597440
The reverse of 166157988 is 889751661
Previous prime number is 439
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred sixty-six million one hundred fifty-seven thousand nine hundred eighty-eight
Scientific notation
1.66157988 × 10^8
Engineering notation
1.66157988 × 10^6
Prime Factorization
2 × 2 × 3 × 439 × 31541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
83078994
Product of the distinct prime numbers
The prime factorization of 166157988 is 2 × 2 × 3 × 439 × 31541.
Since it has a total of 5 prime factors.
9 , 1 , 38 , 53 , 224 , 907 , 1599 , 4491 , 4908 , 93241 , 729112 , 132670 , 2750200 , 9674406 , 20252078 , 12726918 , 7946316 , 379729903 , 1688009186 , 3238839819
n×2
332315976
n×3
498473964
n×4
664631952
n×5
830789940
n÷2
83078994
n÷3
55385996
n÷3
41539497
n÷5
33231597.6
n2
27608476976208144
n3
4.5873689861111E+24
n4
7.6222800094582E+32
n5
1.2665027103442E+41
2 √n
12890.228392081
3 √n
549.76076427331
4 √n
113.53514166143
5 √n
44.066062383734
1 , 2 , 3 , 4 , 6 , 12 , 439 , 878 , 1317 , 1756 , 2634 , 5268 , 31541 , 63082 , 94623 , 126164 , 189246 , 378492 , 13846499 , 27692998 , 41539497 , 55385996 , 83078994 , 166157988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166157987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157988 can be divided by 24 positive divisors.
The sum of these divisors (counting 166157988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111001110101111010100100
3
Ternary
102120122200220120
4
Quaternary
21321311322210
5
Quinary
320014023423
6
Senary
24253201540
8
Octal
1171657244
10
Decimal
166157988
12
Duodecimal
477902b0
16
Hexadecimal
9e75ea4
20
Vigesimal
2bi9ej8
36
Base36
2qxcbo
md5
79daba514a8b1c528b0f9cd7c707a74e
sha1
67c6a3e51411bb9edb8ef31e2ee9dc28bdb6b6bd
sha256
50a2a2b50991637e8d3e623e88c5f66ee29e425365a0cf54a41be2316a662fcb
sha512
1c997af36c94e20cf0dd16d033661b704b8189484d550a360fb440d4a72330ac6758812964addaa458c3dc2604a5b93a47d9cb63fa33ef5ca2c8bafc29d51094
ripemd-160
4bafe8ff2522f472a27afa9e4ed52df0cf0a3a01
Diameter
332315976
Circumference
1044001428.8721
Area
8.6734588445258E+16
Volume
1.9215526274763E+25
Surface area
3.4693835378103E+17
Circumference
1044001428.8721
Perimeter
664631952
Area
27608476976208144
Diagonal
234982880.12623
Surface area
165650861857248864
Volume
4.5873689861111E+24
Space diagonal
287794077.29942
Perimeter
498473964
Area
1.1954821210597E+16
Altitude
143897038.64971
Surface area
1.1954821210597E+16
Volume
5.4062661964733E+23
Height
78327626.708742