161001045 is an odd 9-digits composite number following 161001044
and preceding 161001046 . In scientific notation, it is written as 1.61001045 × 10^8.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 85764096 positive integers (up to 161001045) that are relatively prime to 161001045.
161001045 has 16 divisors, whose sum is 229254400
The reverse of 161001045 is 540100161
Previous prime number is 1129
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
one hundred sixty-one million one thousand forty-five
Scientific notation
1.61001045 × 10^8
Engineering notation
1.61001045 × 10^6
Prime Factorization
15 × 3 × 1129 × 3169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161001045
Product of the distinct prime numbers
The prime factorization of 161001045 is 15 × 3 × 1129 × 3169.
Since it has a total of 4 prime factors.
9 , 10 , 62 , 47 , 169 , 400 , 4645 , 3775 , 24708 , 43652 , 241212 , 608460 , 4723232 , 5910442 , 22041818 , 27590509 , 234437171 , 479669785 , 4722841269 , 7519519661
n×2
322002090
n×3
483003135
n×4
644004180
n×5
805005225
n÷2
80500522.5
n÷3
53667015
n÷3
40250261.25
n÷5
32200209
n2
25921336491092025
n3
4.1733622628624E+24
n4
6.7191568548442E+32
n5
1.0817912751488E+41
2 √n
12688.618719151
3 √n
544.01335954252
4 √n
112.64376910931
5 √n
43.789071745428
1 , 3 , 15 , 45 , 1129 , 3169 , 3387 , 9507 , 16935 , 47535 , 50805 , 142605 , 3577801 , 10733403 , 53667015 , 161001045
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
-161001044
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 161001045 can be divided by 16 positive divisors.
The sum of these divisors (counting 161001045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001010111001010101
3
Ternary
102012221200220200
4
Quaternary
21212022321111
5
Quinary
312204013140
6
Senary
23550451113
8
Octal
1146127125
10
Decimal
161001045
12
Duodecimal
45b03a99
16
Hexadecimal
998ae55
20
Vigesimal
2a652c5
36
Base36
2nut79
md5
f0340dbc01634ba730e3b6d2e368fbc6
sha1
563ec2e57231e4b8efb90ce8736a737cbc5e7387
sha256
a497b7db3041d765c7e08457d54268b16dfc8bd411205e12f1c2231779629a29
sha512
1801948ba6339c5aa13413726003655e86daf823a2883185138ab9c8c838c51b616046c03bb075c162a855ac59e5c0efa23ef9dacee872f9e95bd0ec9b1fd16b
ripemd-160
1864b68d2d2103f1041f30e299d3e5a81c1bbdcb
Diameter
322002090
Circumference
1011599400.3846
Area
8.1434280291644E+16
Volume
1.7481338967703E+25
Surface area
3.2573712116657E+17
Circumference
1011599400.3846
Perimeter
644004180
Area
25921336491092025
Diagonal
227689861.39524
Surface area
155528018946552150
Volume
4.1733622628624E+24
Space diagonal
278861990.01168
Perimeter
483003135
Area
1.1224267950665E+16
Altitude
139430995.00584
Surface area
1.1224267950665E+16
Volume
4.9183545940301E+23
Height
75896620.46508