161019968 is an even 9-digits composite number following 161019967
and preceding 161019969 . In scientific notation, it is written as 1.61019968 × 10^8.
The sum of its digits is 41. It has a total of 8 prime factors and 28 positive divisors.
There are 79143552 positive integers (up to 161019968) that are relatively prime to 161019968.
161019968 has 28 divisors, whose sum is 324947280
The reverse of 161019968 is 869910161
Previous prime number is 59
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred sixty-one million nineteen thousand nine hundred sixty-eight
Scientific notation
1.61019968 × 10^8
Engineering notation
1.61019968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 59 × 42643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
5031874
Product of the distinct prime numbers
The prime factorization of 161019968 is 2 × 2 × 2 × 2 × 2 × 2 × 59 × 42643.
Since it has a total of 8 prime factors.
8 , 9 , 62 , 75 , 228 , 459 , 8443 , 6984 , 62100 , 26853 , 583591 , 353557 , 1562732 , 4251326 , 95168470 , 61503715 , 292781802 , 547086016 , 1313196749 , 7805008083
n×2
322039936
n×3
483059904
n×4
644079872
n×5
805099840
n÷2
80509984
n÷3
53673322.666667
n÷3
40254992
n÷5
32203993.6
n2
25927430094721024
n3
4.1748339641742E+24
n4
6.7223163131665E+32
n5
1.0824271576319E+41
2 √n
12689.364365483
3 √n
544.03467195391
4 √n
112.64707881469
5 √n
43.790101032724
1 , 2 , 4 , 8 , 16 , 32 , 59 , 64 , 118 , 236 , 472 , 944 , 1888 , 3776 , 42643 , 85286 , 170572 , 341144 , 682288 , 1364576 , 2515937 , 2729152 , 5031874 , 10063748 , 20127496 , 40254992 , 80509984 , 161019968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161019967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161019968 can be divided by 28 positive divisors.
The sum of these divisors (counting 161019968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110001111100001000000
3
Ternary
102012222122212112
4
Quaternary
21212033201000
5
Quinary
312210114333
6
Senary
23551114452
8
Octal
1146174100
10
Decimal
161019968
12
Duodecimal
45b12a28
16
Hexadecimal
998f840
20
Vigesimal
2a679i8
36
Base36
2nv7sw
md5
267c9122c81a061df2ede6f19872eb97
sha1
781a2d8c6424156cbeafe2169713c1b905c72d36
sha256
30de14bd5ee10b8162de1ff43e94ff6f7f46d6be53b82ce68612583edcb2d602
sha512
3aa43b758cc5d3fa103aa2b99a2beb7600bba2d218d062310056aec90888f3f951dc811ad70d4148c9bfff891c24bd781cf41211f5af306412268a16e2a8447e
ripemd-160
2b1386f809e102ea44c3ff8cc064e63363902688
Diameter
322039936
Circumference
1011718297.1001
Area
8.1453423912038E+16
Volume
1.7487503615742E+25
Surface area
3.2581369564815E+17
Circumference
1011718297.1001
Perimeter
644079872
Area
25927430094721024
Diagonal
227716622.55848
Surface area
155564580568326144
Volume
4.1748339641742E+24
Space diagonal
278894765.60911
Perimeter
483059904
Area
1.1226906558437E+16
Altitude
139447382.80456
Surface area
1.1226906558437E+16
Volume
4.9200890106592E+23
Height
75905540.852827