161025345 is an odd 9-digits composite number following 161025344
and preceding 161025346 . In scientific notation, it is written as 1.61025345 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 78962688 positive integers (up to 161025345) that are relatively prime to 161025345.
161025345 has 32 divisors, whose sum is 232125600
The reverse of 161025345 is 543520161
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred sixty-one million twenty-five thousand three hundred forty-five
Scientific notation
1.61025345 × 10^8
Engineering notation
1.61025345 × 10^6
Prime Factorization
5 × 9 × 13 × 673 × 409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161025345
Product of the distinct prime numbers
The prime factorization of 161025345 is 5 × 9 × 13 × 673 × 409.
Since it has a total of 5 prime factors.
6 , 6 , 88 , 57 , 404 , 410 , 7266 , 3836 , 12304 , 3416 , 272178 , 832560 , 5199525 , 9132385 , 76106137 , 94898355 , 363717466 , 973866398 , 728393452 , 3261677892
n×2
322050690
n×3
483076035
n×4
644101380
n×5
805126725
n÷2
80512672.5
n÷3
53675115
n÷3
40256336.25
n÷5
32205069
n2
25929161732369025
n3
4.1752522135155E+24
n4
6.7232142814335E+32
n5
1.0826078991768E+41
2 √n
12689.576234059
3 √n
544.04072760425
4 √n
112.64801921942
5 √n
43.790393488661
1 , 5 , 9 , 13 , 45 , 65 , 117 , 409 , 585 , 673 , 2045 , 3365 , 3681 , 5317 , 6057 , 8749 , 18405 , 26585 , 30285 , 43745 , 47853 , 78741 , 239265 , 275257 , 393705 , 1376285 , 2477313 , 3578341 , 12386565 , 17891705 , 32205069 , 161025345
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161025344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161025345 can be divided by 32 positive divisors.
The sum of these divisors (counting 161025345) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010000110101000001
3
Ternary
102012222221020200
4
Quaternary
21212100311001
5
Quinary
312210302340
6
Senary
23551155413
8
Octal
1146206501
10
Decimal
161025345
12
Duodecimal
45b15b69
16
Hexadecimal
9990d41
20
Vigesimal
2a68375
36
Base36
2nvby9
md5
6d097d113cfdb24bf0fe9c569dc205ac
sha1
a9cb4bcce998f9ed528f266afc0ee65edbe0972d
sha256
2b46598b4d554b4a179087b84db9431caed993d838246205acbea65bf4798ab9
sha512
af804d89a43f1221957f83befe48e7ddde4cd2f573abc15631f98af5a8a7f3a488fca64997ee60403acad046a9d16227bd4fb37ca08b2ad88a1c9f769e8ba78a
ripemd-160
00cf105daee1c89bd96b0fb8568c46ca4cc69879
Diameter
322050690
Circumference
1011752081.7875
Area
8.1458864012152E+16
Volume
1.7489255574487E+25
Surface area
3.2583545604861E+17
Circumference
1011752081.7875
Perimeter
644101380
Area
25929161732369025
Diagonal
227724226.78481
Surface area
155574970394214150
Volume
4.1752522135155E+24
Space diagonal
278904078.84631
Perimeter
483076035
Area
1.1227656379533E+16
Altitude
139452039.42315
Surface area
1.1227656379533E+16
Volume
4.9205819222349E+23
Height
75908075.594936