161831330 is an even 9-digits composite number following 161831329
and preceding 161831331 . In scientific notation, it is written as 1.61831330 × 10^8.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 60923648 positive integers (up to 161831330) that are relatively prime to 161831330.
161831330 has 24 divisors, whose sum is 309444948
The reverse of 161831330 is 033138161
Previous prime number is 17
Is Prime? no Number parity even Number length 9 Sum of Digits 26 Digital Root 8
Name
one hundred sixty-one million eight hundred thirty-one thousand three hundred thirty
Scientific notation
1.61831330 × 10^8
Engineering notation
1.61831330 × 10^6
Prime Factorization
2 × 5 × 17 × 17 × 55997
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
9519490 Product of the distinct prime numbers
The prime factorization of 161831330 is 2 × 5 × 17 × 17 × 55997.
Since it has a total of 5 prime factors.
6 , 5 , 21 , 72 , 183 , 208 , 2989 , 7889 , 54623 , 44790 , 285860 , 547675 , 4928921 , 8852650 , 3281216 , 93542947 , 150712948 , 290574636 , 2900374395 , 5490553323
n×2
323662660
n×3
485493990
n×4
647325320
n×5
809156650
n÷2
80915665
n÷3
53943776.666667
n÷3
40457832.5
n÷5
32366266
n2
26189379369568900
n3
4.2382620952519E+24
n4
6.858835917632E+32
n5
1.1099745388022E+41
2 √n12721.294352384
3 √n544.9469184898
4 √n112.78871553655
5 √n43.834143058301
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 289 , 578 , 1445 , 2890 , 55997 , 111994 , 279985 , 559970 , 951949 , 1903898 , 4759745 , 9519490 , 16183133 , 32366266 , 80915665 , 161831330
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161831329 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161831330 can be divided by 24 positive divisors.
The sum of these divisors (counting 161831330) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001010101100110100010
3
Ternary
102021111212211222
4
Quaternary
21221111212202
5
Quinary
312412100310
6
Senary
24020335042
8
Octal
1151254642
10
Decimal
161831330
12
Duodecimal
46244482
16
Hexadecimal
9a559a2
20
Vigesimal
2ab8i6a
36
Base36
2ocluq
md5
f8539897947568b8fb1b22da3f8495be
sha1
e8f75eed692706db1d73e1f85d54267733edfad9
sha256
6d004103910a2c0619a7140dc50b01b2af4ccbc6dfa98a50c033a7de85075bb5
sha512
d036210926cf5fe004f638b776956b3e5ca4cc8a9506e492ee900c2ed629a090b256903432bd80377734fd4dd66b459ed835670461be64fa63310ab04e5fc43c
ripemd-160
70b13209798c291ffc8e0a88e047cc930fac667f
Diameter
323662660
Circumference
1016816234.8973
Area
8.2276361829514E+16
Volume
1.7753190749909E+25
Surface area
3.2910544731805E+17
Circumference
1016816234.8973
Perimeter
647325320
Area
26189379369568900
Diagonal
228864061.70288
Surface area
157136276217413400
Volume
4.2382620952519E+24
Space diagonal
280300085.81645
Perimeter
485493990
Area
1.1340333921697E+16
Altitude
140150042.90822
Surface area
1.1340333921697E+16
Volume
4.9948397799975E+23
Height
76288020.567625