161796145 is an odd 9-digits composite number following 161796144
and preceding 161796146 . In scientific notation, it is written as 1.61796145 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 106121664 positive integers (up to 161796145) that are relatively prime to 161796145.
161796145 has 8 divisors, whose sum is 186518720
The reverse of 161796145 is 541697161
Previous prime number is 115
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred sixty-one million seven hundred ninety-six thousand one hundred forty-five
Scientific notation
1.61796145 × 10^8
Engineering notation
1.61796145 × 10^6
Prime Factorization
7 × 115 × 200989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161796145
Product of the distinct prime numbers
The prime factorization of 161796145 is 7 × 115 × 200989.
Since it has a total of 3 prime factors.
6 , 7 , 77 , 56 , 764 , 87 , 8723 , 8303 , 30827 , 66007 , 934169 , 424412 , 1904196 , 6616473 , 57253095 , 92391140 , 185639135 , 136502016 , 6288696041 , 267366996
n×2
323592290
n×3
485388435
n×4
647184580
n×5
808980725
n÷2
80898072.5
n÷3
53932048.333333
n÷3
40449036.25
n÷5
32359229
n2
26177992536861025
n3
4.2354982763029E+24
n4
6.8528729325995E+32
n5
1.1087684226694E+41
2 √n
12719.911359754
3 √n
544.90742192037
4 √n
112.78258447009
5 √n
43.832236828561
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161796144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161796145 can be divided by 8 positive divisors.
The sum of these divisors (counting 161796145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001001101000000110001
3
Ternary
102021110002120211
4
Quaternary
21221031000301
5
Quinary
312404434040
6
Senary
24015504121
8
Octal
1151150061
10
Decimal
161796145
12
Duodecimal
46228041
16
Hexadecimal
9a4d031
20
Vigesimal
2ab4a75
36
Base36
2obupd
md5
7857e0ef7053f899f7244aecae4d6c66
sha1
43cd0c055bc8d0a2bb625e782f0f8bc80f8cb224
sha256
94623de43782f434c8c854f657462c3fb132579bcce88f82b55768b3fe5f0527
sha512
f582b8372270dc2826d735be7c9e3474b0d7de0ad080cd8690e93d949eb2387212c8145c2b84721533627f049ecef7111a09da35c58d17bebaea74dfd76482d9
ripemd-160
a2c3ab97049c38ccc10c78b2bab0e0ef54bafed0
Diameter
323592290
Circumference
1016595161.0223
Area
8.2240589039531E+16
Volume
1.7741613692167E+25
Surface area
3.2896235615812E+17
Circumference
1016595161.0223
Perimeter
647184580
Area
26177992536861025
Diagonal
228814302.59868
Surface area
157067955221166150
Volume
4.2354982763029E+24
Space diagonal
280239143.60878
Perimeter
485388435
Area
1.1335403278501E+16
Altitude
140119571.80439
Surface area
1.1335403278501E+16
Volume
4.9915825881295E+23
Height
76271434.199561