161749043 is an odd 9-digits composite number following 161749042
and preceding 161749044 . In scientific notation, it is written as 1.61749043 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 158307528 positive integers (up to 161749043) that are relatively prime to 161749043.
161749043 has 4 divisors, whose sum is 165190560
The reverse of 161749043 is 340947161
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million seven hundred forty-nine thousand forty-three
Scientific notation
1.61749043 × 10^8
Engineering notation
1.61749043 × 10^6
Prime Factorization
47 × 3441469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161749043
Product of the distinct prime numbers
The prime factorization of 161749043 is 47 × 3441469.
Since it has a total of 2 prime factors.
4 , 6 , 99 , 12 , 724 , 834 , 9378 , 4606 , 14793 , 35404 , 200690 , 260861 , 4768955 , 7923072 , 73164614 , 34727104 , 865584307 , 983098460 , 3728055489 , 9353741479
n×2
323498086
n×3
485247129
n×4
646996172
n×5
808745215
n÷2
80874521.5
n÷3
53916347.666667
n÷3
40437260.75
n÷5
32349808.6
n2
26162752911415849
n3
4.231800245667E+24
n4
6.844896399038E+32
n5
1.1071554419785E+41
2 √n
12718.059718369
3 √n
544.8545390773
4 √n
112.77437527368
5 √n
43.829684448246
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161749042
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161749043 can be divided by 4 positive divisors.
The sum of these divisors (counting 161749043) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000001100000110011
3
Ternary
102021100200222022
4
Quaternary
21221001200303
5
Quinary
312401432133
6
Senary
24014502055
8
Octal
1151014063
10
Decimal
161749043
12
Duodecimal
4620492b
16
Hexadecimal
9a41833
20
Vigesimal
2aaicc3
36
Base36
2oaucz
md5
5419ec76a2c0c41214413d22594f28c0
sha1
cc687f6694f2348533a11697fd1427c2d36e3a98
sha256
9a520c1c7b98e27aa03f3a6378a3db464ff73325bf811dcd0d25a0672d66f3f2
sha512
4b08cd376d8c87d078b38498b1ee02311e47aac0dc1d773b14100fde4cd605dbc9dd1c044086af1414641373ea6a012f43dfc62feb41eb6446e9a3c8c173121e
ripemd-160
2ccd44b7432a84caa416733e5bfa60a4c491cf94
Diameter
323498086
Circumference
1016299210.428
Area
8.2192712344189E+16
Volume
1.7726123417662E+25
Surface area
3.2877084937676E+17
Circumference
1016299210.428
Perimeter
646996172
Area
26162752911415849
Diagonal
228747690.31147
Surface area
156976517468495094
Volume
4.231800245667E+24
Space diagonal
280157560.55164
Perimeter
485247129
Area
1.1328804327111E+16
Altitude
140078780.27582
Surface area
1.1328804327111E+16
Volume
4.98722441723E+23
Height
76249230.103823