161712938 is an even 9-digits composite number following 161712937
and preceding 161712939 . In scientific notation, it is written as 1.61712938 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 77048160 positive integers (up to 161712938) that are relatively prime to 161712938.
161712938 has 16 divisors, whose sum is 254270016
The reverse of 161712938 is 839217161
Previous prime number is 43
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million seven hundred twelve thousand nine hundred thirty-eight
Scientific notation
1.61712938 × 10^8
Engineering notation
1.61712938 × 10^6
Prime Factorization
2 × 41 × 43 × 45863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161712938
Product of the distinct prime numbers
The prime factorization of 161712938 is 2 × 41 × 43 × 45863.
Since it has a total of 4 prime factors.
3 , 7 , 30 , 63 , 275 , 975 , 8671 , 3926 , 13235 , 84758 , 710398 , 1771 , 9710177 , 7192099 , 20480406 , 8705167 , 463073034 , 415676301 , 6623666115 , 5193967179
n×2
323425876
n×3
485138814
n×4
646851752
n×5
808564690
n÷2
80856469
n÷3
53904312.666667
n÷3
40428234.5
n÷5
32342587.6
n2
26151074316591844
n3
4.2289670595924E+24
n4
6.8387868791191E+32
n5
1.1059203185782E+41
2 √n
12716.640200934
3 √n
544.81399594816
4 √n
112.76808148112
5 √n
43.827727574759
1 , 2 , 41 , 43 , 82 , 86 , 1763 , 3526 , 45863 , 91726 , 1880383 , 1972109 , 3760766 , 3944218 , 80856469 , 161712938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161712937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161712938 can be divided by 16 positive divisors.
The sum of these divisors (counting 161712938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111000101100101010
3
Ternary
102021021212110002
4
Quaternary
21220320230222
5
Quinary
312344303223
6
Senary
24014023002
8
Octal
1150705452
10
Decimal
161712938
12
Duodecimal
461a7a62
16
Hexadecimal
9a38b2a
20
Vigesimal
2aae26i
36
Base36
2oa2i2
md5
216ed69549039396b8597ef4b4791fd7
sha1
85bf8742ba7201cfb47f57f1d1e13e509816ac68
sha256
273c3c0b1c2540f5f49bec2aabe8ff14b01739b404ce6e84089172ce1fd3bde1
sha512
6e122a3855ab8a7be9504b4455f47d6f6cf8cc41ae8e0f5bd1c2d595dccfa47cb2f43e4577a93c680394ae8e89ffbad3f79392708b5745703bc5c9df6889a9f0
ripemd-160
62ba362a9cf8e2c678f594cc1002b1de91fffb8c
Diameter
323425876
Circumference
1016072356.0224
Area
8.2156022956486E+16
Volume
1.7714255795585E+25
Surface area
3.2862409182594E+17
Circumference
1016072356.0224
Perimeter
646851752
Area
26151074316591844
Diagonal
228696630.1308
Surface area
156906445899551064
Volume
4.2289670595924E+24
Space diagonal
280095024.85724
Perimeter
485138814
Area
1.1323747347212E+16
Altitude
140047512.42862
Surface area
1.1323747347212E+16
Volume
4.9838854754205E+23
Height
76232210.0436