161765045 is an odd 9-digits composite number following 161765044
and preceding 161765046 . In scientific notation, it is written as 1.61765045 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 115336704 positive integers (up to 161765045) that are relatively prime to 161765045.
161765045 has 16 divisors, whose sum is 216261360
The reverse of 161765045 is 540567161
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million seven hundred sixty-five thousand forty-five
Scientific notation
1.61765045 × 10^8
Engineering notation
1.61765045 × 10^6
Prime Factorization
5 × 13 × 29 × 85817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161765045
Product of the distinct prime numbers
The prime factorization of 161765045 is 5 × 13 × 29 × 85817.
Since it has a total of 4 prime factors.
9 , 9 , 6 , 60 , 434 , 168 , 6176 , 5602 , 94145 , 3391 , 695221 , 597231 , 4916772 , 4777448 , 19405149 , 89137789 , 986631184 , 396170679 , 3993286758 , 1166100898
n×2
323530090
n×3
485295135
n×4
647060180
n×5
808825225
n÷2
80882522.5
n÷3
53921681.666667
n÷3
40441261.25
n÷5
32353009
n2
26167929783852025
n3
4.2330563390417E+24
n4
6.8476054917261E+32
n5
1.1077032105113E+41
2 √n
12718.688808207
3 √n
544.87250615905
4 √n
112.77716439159
5 √n
43.830551637126
1 , 5 , 13 , 29 , 65 , 145 , 377 , 1885 , 85817 , 429085 , 1115621 , 2488693 , 5578105 , 12443465 , 32353009 , 161765045
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161765044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161765045 can be divided by 16 positive divisors.
The sum of these divisors (counting 161765045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001000101011010110101
3
Ternary
102021101111220222
4
Quaternary
21221011122311
5
Quinary
312402440140
6
Senary
24015104125
8
Octal
1151053265
10
Decimal
161765045
12
Duodecimal
46212045
16
Hexadecimal
9a456b5
20
Vigesimal
2ab0cc5
36
Base36
2ob6ph
md5
711634d52077ba00512713ea6e65ad2c
sha1
bfa2f9473d125d6b1eee59825e16ae3af2dbb314
sha256
0e745e4c8368542dbe62ae8ccd769c4ac858d4bcc0e50e116acb26256ce649d7
sha512
98c19be85c8591bb5a5762325d39495c1c5c1f22a5d802b944257a98adc8612a7e6aa56e78955c17bf59f6fc14ea93ec86d6f41478f1601e73dadd7813ff4900
ripemd-160
7e584d254749c49aaa134132b06b6da6af287d0e
Diameter
323530090
Circumference
1016399753.9592
Area
8.2208975968603E+16
Volume
1.7731384929287E+25
Surface area
3.2883590387441E+17
Circumference
1016399753.9592
Perimeter
647060180
Area
26167929783852025
Diagonal
228770320.55689
Surface area
157007578703112150
Volume
4.2330563390417E+24
Space diagonal
280185276.82867
Perimeter
485295135
Area
1.1331045978632E+16
Altitude
140092638.41433
Surface area
1.1331045978632E+16
Volume
4.9887047374684E+23
Height
76256773.518965