161814901 is an odd 9-digits prime number following 161814900
and preceding 161814902 . In scientific notation, it is written as 1.61814901 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 161814900 positive integers (up to 161814901) that are relatively prime to 161814901.
161814901 has 2 divisors, whose sum is 161814902
The reverse of 161814901 is 109418161
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million eight hundred fourteen thousand nine hundred one
Scientific notation
1.61814901 × 10^8
Engineering notation
1.61814901 × 10^6
Prime Factorization
161814901
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
161814901
Product of the distinct prime numbers
The prime factorization of 161814901 is 161814901.
Since it has a total of 1 prime factors.
8 , 8 , 65 , 34 , 907 , 452 , 1951 , 2401 , 95766 , 14370 , 733050 , 299126 , 3019265 , 7145816 , 97624628 , 16026906 , 153654433 , 731399064 , 8594127636 , 9731506855
n×2
323629802
n×3
485444703
n×4
647259604
n×5
809074505
n÷2
80907450.5
n÷3
53938300.333333
n÷3
40453725.25
n÷5
32362980.2
n2
26184062185639801
n3
4.2369714303471E+24
n4
6.8560511254145E+32
n5
1.1094112341099E+41
2 √n
12720.648607677
3 √n
544.92847699291
4 √n
112.78585287028
5 √n
43.833253020035
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
161814902
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
80907451
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12720.648646983
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999876402
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161814901 can be divided by 2 positive divisors.
The sum of these divisors (counting 161814901) is 161814902, the average is 80907451.
Base
System
Value
2
Binary
1001101001010001100101110101
3
Ternary
102021111001022111
4
Quaternary
21221101211311
5
Quinary
312411034101
6
Senary
24020131021
8
Octal
1151214565
10
Decimal
161814901
12
Duodecimal
46236a71
16
Hexadecimal
9a51975
20
Vigesimal
2ab6h51
36
Base36
2oc96d
md5
602ec3052c9861de6205cf94c6d68d40
sha1
04355c6d2f64ab54f96efb88365cb39358be888e
sha256
28b33e7b8e499690d61d33f6cba09958eb853d0a89afb2aa59108d79b6afda71
sha512
ea411fb1ce85d7c5b9fd820d00aa25de2992ba8b956f38706c5676ef2b8c1407ed3612e38259b306e456f591803df38aa581bd164150a5d6c233cb7a3199aecd
ripemd-160
8c638db1bf2a1320cc191af43adccff50675caaf
Diameter
323629802
Circumference
1016713008.4459
Area
8.2259657403544E+16
Volume
1.7747784425398E+25
Surface area
3.2903862961418E+17
Circumference
1016713008.4459
Perimeter
647259604
Area
26184062185639801
Diagonal
228840827.58826
Surface area
157104373113838806
Volume
4.2369714303471E+24
Space diagonal
280271629.95373
Perimeter
485444703
Area
1.1338031513518E+16
Altitude
140135814.97686
Surface area
1.1338031513518E+16
Volume
4.9933187168202E+23
Height
76280275.862753