161948903 is an odd 9-digits prime number following 161948902
and preceding 161948904 . In scientific notation, it is written as 1.61948903 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 161948902 positive integers (up to 161948903) that are relatively prime to 161948903.
161948903 has 2 divisors, whose sum is 161948904
The reverse of 161948903 is 309849161
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred sixty-one million nine hundred forty-eight thousand nine hundred three
Scientific notation
1.61948903 × 10^8
Engineering notation
1.61948903 × 10^6
Prime Factorization
161948903
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
161948903
Product of the distinct prime numbers
The prime factorization of 161948903 is 161948903.
Since it has a total of 1 prime factors.
10 , 3 , 81 , 9 , 54 , 397 , 7228 , 5356 , 82311 , 65243 , 54818 , 746450 , 8542517 , 3743609 , 48034159 , 32541098 , 914428653 , 137926253 , 8914662269 , 6348620197
n×2
323897806
n×3
485846709
n×4
647795612
n×5
809744515
n÷2
80974451.5
n÷3
53982967.666667
n÷3
40487225.75
n÷5
32389780.6
n2
26227447182903409
n3
4.2475062997616E+24
n4
6.8787898573199E+32
n5
1.1140124713605E+41
2 √n
12725.914623319
3 √n
545.07885737147
4 √n
112.80919565053
5 √n
43.840510446684
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
161948904
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
80974452
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12725.914662609
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999876504
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161948903 can be divided by 2 positive divisors.
The sum of these divisors (counting 161948903) is 161948904, the average is 80974452.
Base
System
Value
2
Binary
1001101001110010010011100111
3
Ternary
102021201212010112
4
Quaternary
21221302103213
5
Quinary
312424331103
6
Senary
24023043235
8
Octal
1151622347
10
Decimal
161948903
12
Duodecimal
462a051b
16
Hexadecimal
9a724e7
20
Vigesimal
2ac3c53
36
Base36
2of4kn
md5
464f704d39f9b756bdad052e06538c2c
sha1
5a4b284a797b7d9816a7550d49da83db95c1b297
sha256
cfcd18b97ac395d94561ea7106c97ee8283f56ad1e3434783bd8486b9df722ca
sha512
ed556766c798bb0a1c0081eb6362ed00d8b6ba5d2267776f8a2dee018fdb4fee6de563a98882c4470c5ab074c2d98861955314bdf39de932abac173a7910a611
ripemd-160
bd06a216f2680cce2e2d6ae9bfd00e3e98c35a73
Diameter
323897806
Circumference
1017554967.8435
Area
8.2395955392224E+16
Volume
1.779191278321E+25
Surface area
3.2958382156889E+17
Circumference
1017554967.8435
Perimeter
647795612
Area
26227447182903409
Diagonal
229030335.03404
Surface area
157364683097420454
Volume
4.2475062997616E+24
Space diagonal
280503728.22604
Perimeter
485846709
Area
1.1356817768404E+16
Altitude
140251864.11302
Surface area
1.1356817768404E+16
Volume
5.0057341794901E+23
Height
76343445.011348