161776993 is an odd 9-digits composite number following 161776992
and preceding 161776994 . In scientific notation, it is written as 1.61776993 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 133884240 positive integers (up to 161776993) that are relatively prime to 161776993.
161776993 has 8 divisors, whose sum is 191263680
The reverse of 161776993 is 399677161
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-one million seven hundred seventy-six thousand nine hundred ninety-three
Scientific notation
1.61776993 × 10^8
Engineering notation
1.61776993 × 10^6
Prime Factorization
29 × 7 × 796931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161776993
Product of the distinct prime numbers
The prime factorization of 161776993 is 29 × 7 × 796931.
Since it has a total of 3 prime factors.
4 , 6 , 64 , 85 , 231 , 673 , 8286 , 8887 , 1049 , 8116 , 764764 , 985908 , 4263040 , 120647 , 22097238 , 32357762 , 660663968 , 763628524 , 9046200909 , 3419850141
n×2
323553986
n×3
485330979
n×4
647107972
n×5
808884965
n÷2
80888496.5
n÷3
53925664.333333
n÷3
40444248.25
n÷5
32355398.6
n2
26171795464122049
n3
4.2339943715967E+24
n4
6.8496287781584E+32
n5
1.1081123468967E+41
2 √n
12719.158502039
3 √n
544.88592062781
4 √n
112.77924677014
5 √n
43.831199084738
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
-161776992
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 161776993 can be divided by 8 positive divisors.
The sum of these divisors (counting 161776993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001001000010101100001
3
Ternary
102021102010022111
4
Quaternary
21221020111201
5
Quinary
312403330433
6
Senary
24015235321
8
Octal
1151102541
10
Decimal
161776993
12
Duodecimal
46218b41
16
Hexadecimal
9a48561
20
Vigesimal
2ab229d
36
Base36
2obfxd
md5
dc96df384c09d5e1240836aceaebf192
sha1
6f0d0bdcfc2e07d8b73dde0ad7850a574c2e7274
sha256
7103f59943b8a96c1ea398146b266c46b8dc7c7b73775c4cdcbc2fc84253d414
sha512
ead39a56ca9bf657b31e83a404a751cf8bf2a2f74ce628e62bc95f9cb9a6592e3863f61054a7ed078aff1b0619845de2643438c4d84261b4ecbfc94b8e5f90ba
ripemd-160
8a848d7c4af2340acdc4efc4534fc673944cb5f6
Diameter
323553986
Circumference
1016474825.4573
Area
8.222112036134E+16
Volume
1.7735314150865E+25
Surface area
3.2888448144536E+17
Circumference
1016474825.4573
Perimeter
647107972
Area
26171795464122049
Diagonal
228787217.58054
Surface area
157030772784732294
Volume
4.2339943715967E+24
Space diagonal
280205971.37171
Perimeter
485330979
Area
1.133271986729E+16
Altitude
140102985.68586
Surface area
1.133271986729E+16
Volume
4.9898102194362E+23
Height
76262405.860179