161330557 is an odd 9-digits prime number following 161330556
and preceding 161330558 . In scientific notation, it is written as 1.61330557 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 161330556 positive integers (up to 161330557) that are relatively prime to 161330557.
161330557 has 2 divisors, whose sum is 161330558
The reverse of 161330557 is 755033161
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred sixty-one million three hundred thirty thousand five hundred fifty-seven
Scientific notation
1.61330557 × 10^8
Engineering notation
1.61330557 × 10^6
Prime Factorization
161330557
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
161330557 Product of the distinct prime numbers
The prime factorization of 161330557 is 161330557.
Since it has a total of 1 prime factors.
5 , 9 , 12 , 3 , 786 , 597 , 2168 , 7463 , 19473 , 78273 , 698473 , 75958 , 7545272 , 9396935 , 82325140 , 22394689 , 486067596 , 36936594 , 7043158457 , 1103958032
n×2
322661114
n×3
483991671
n×4
645322228
n×5
806652785
n÷2
80665278.5
n÷3
53776852.333333
n÷3
40332639.25
n÷5
32266111.4
n2
26027548621930249
n3
4.1990389165206E+24
n4
6.7743328726694E+32
n5
1.0929068956512E+41
2 √n12701.59663192
3 √n544.38424072914
4 √n112.70136038185
5 √n43.806981227515
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
161330558 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
80665279 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12701.596671285 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999876031 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161330557 can be divided by 2 positive divisors.
The sum of these divisors (counting 161330557) is 161330558, the average is 80665279.
Base
System
Value
2
Binary
1001100111011011010101111101
3
Ternary
102020120102220211
4
Quaternary
21213123111331
5
Quinary
312300034212
6
Senary
24001512421
8
Octal
1147332575
10
Decimal
161330557
12
Duodecimal
46042711
16
Hexadecimal
99db57d
20
Vigesimal
2a8667h
36
Base36
2o1vgd
md5
6e74693133293bcad07dbf4bfe806707
sha1
10677e9f1f460a2fa7a660be10f18118390ab8f8
sha256
7db6a19c6b1bc18ee80a64389c9dcf4e1c7487f43a66d640f86fff9bbf167c69
sha512
8399dbe3b0f1c895b1de55a66e06413bddd3cf66da68a5eb9aab43a974472c16c23df577f8a8b2d40e8b5a0333995cd8d0ff597ea70b1402a3587537d768b838
ripemd-160
06ce88bc834e0417accfb298a961610d8f95bc55
Diameter
322661114
Circumference
1013669785.3415
Area
8.1767955541607E+16
Volume
1.7588893083038E+25
Surface area
3.2707182216643E+17
Circumference
1013669785.3415
Perimeter
645322228
Area
26027548621930249
Diagonal
228155861.73461
Surface area
156165291731581494
Volume
4.1990389165206E+24
Space diagonal
279432721.53739
Perimeter
483991671
Area
1.1270259152413E+16
Altitude
139716360.76869
Surface area
1.1270259152413E+16
Volume
4.9486148205632E+23
Height
76051953.911535