166157561 is an odd 9-digits prime number following 166157560
and preceding 166157562 . In scientific notation, it is written as 1.66157561 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 166157560 positive integers (up to 166157561) that are relatively prime to 166157561.
166157561 has 2 divisors, whose sum is 166157562
The reverse of 166157561 is 165751661
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred sixty-six million one hundred fifty-seven thousand five hundred sixty-one
Scientific notation
1.66157561 × 10^8
Engineering notation
1.66157561 × 10^6
Prime Factorization
166157561
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
166157561 Product of the distinct prime numbers
The prime factorization of 166157561 is 166157561.
Since it has a total of 1 prime factors.
10 , 7 , 49 , 2 , 645 , 831 , 1972 , 534 , 44726 , 90942 , 352095 , 317445 , 6999562 , 4975119 , 82398420 , 26649309 , 884640625 , 194455667 , 5429787459 , 1684245441
n×2
332315122
n×3
498472683
n×4
664630244
n×5
830787805
n÷2
83078780.5
n÷3
55385853.666667
n÷3
41539390.25
n÷5
33231512.2
n2
27608335077468721
n3
4.5873336197429E+24
n4
7.6222016574979E+32
n5
1.26648643686E+41
2 √n12890.211829136
3 √n549.7602933399
4 √n113.53506871948
5 √n44.066039735136
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
166157562 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
83078781 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12890.211867925 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999879632 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157561 can be divided by 2 positive divisors.
The sum of these divisors (counting 166157561) is 166157562, the average is 83078781.
Base
System
Value
2
Binary
1001111001110101110011111001
3
Ternary
102120122200022202
4
Quaternary
21321311303321
5
Quinary
320014020221
6
Senary
24253155545
8
Octal
1171656371
10
Decimal
166157561
12
Duodecimal
4778bbb5
16
Hexadecimal
9e75cf9
20
Vigesimal
2bi9di1
36
Base36
2qxbzt
md5
95a8e994ac043bd4a0f6d3c6ee9e5269
sha1
048296fa314f0e3ea370123325427aa7a57bd96f
sha256
f24387db4be4b5a98f321d258aadae0cd16e16306bddcb928d213e48b62acdc8
sha512
12ded442d533d03907dabd4ffbdb7ee0159a87002ec8710899ce1115b7af4bd5fcdc0fdc10ad7a734c55c24c1ecc1e5d6163b7ab6c648dcb5c7ef0fff0c5eb3f
ripemd-160
783d2a13cf96b55d6e4a68fd893753b6f386fd77
Diameter
332315122
Circumference
1043998745.952
Area
8.6734142657221E+16
Volume
1.9215378132467E+25
Surface area
3.4693657062888E+17
Circumference
1043998745.952
Perimeter
664630244
Area
27608335077468721
Diagonal
234982276.25703
Surface area
165650010464812326
Volume
4.5873336197429E+24
Space diagonal
287793337.71372
Perimeter
498472683
Area
1.195475976664E+16
Altitude
143896668.85686
Surface area
1.195475976664E+16
Volume
5.4062245168088E+23
Height
78327425.419012