161504385 is an odd 9-digits composite number following 161504384
and preceding 161504386 . In scientific notation, it is written as 1.61504385 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 73709568 positive integers (up to 161504385) that are relatively prime to 161504385.
161504385 has 16 divisors, whose sum is 197204480
The reverse of 161504385 is 583405161
Previous prime number is 1033
Is Prime? no Number parity odd Number length 9 Sum of Digits 33 Digital Root 6
Name
one hundred sixty-one million five hundred four thousand three hundred eighty-five
Scientific notation
1.61504385 × 10^8
Engineering notation
1.61504385 × 10^6
Prime Factorization
15 × 7 × 1033 × 1489
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161504385 Product of the distinct prime numbers
The prime factorization of 161504385 is 15 × 7 × 1033 × 1489.
Since it has a total of 4 prime factors.
9 , 5 , 80 , 30 , 986 , 325 , 6012 , 7352 , 60697 , 65047 , 763710 , 274570 , 9054455 , 7286283 , 44681404 , 57686116 , 751671913 , 19493471 , 9280523451 , 6730979821
n×2
323008770
n×3
484513155
n×4
646017540
n×5
807521925
n÷2
80752192.5
n÷3
53834795
n÷3
40376096.25
n÷5
32300877
n2
26083666374228225
n3
4.2126264963149E+24
n4
6.8035765152204E+32
n5
1.0988074408911E+41
2 √n12708.437551485
3 √n544.5796888396
4 √n112.73170606127
5 √n43.816417257847
1 , 7 , 15 , 105 , 1033 , 1489 , 7231 , 10423 , 15495 , 22335 , 108465 , 156345 , 1538137 , 10766959 , 23072055 , 161504385
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
-161504384 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 161504385 can be divided by 16 positive divisors.
The sum of these divisors (counting 161504385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101110010000001
3
Ternary
102020220021100220
4
Quaternary
21220011302001
5
Quinary
312321120020
6
Senary
24005333253
8
Octal
1150056201
10
Decimal
161504385
12
Duodecimal
46107229
16
Hexadecimal
9a05c81
20
Vigesimal
2a980j5
36
Base36
2o5lkx
md5
bdaabd98088d5fbc1e65047b1592e7b2
sha1
0331939ea48694558283411a7cd28b0b315fde60
sha256
2e0945c2bf50bc22c6749b4d5668bac8ecbec14504b7c0790d9bf930b5b51cc2
sha512
fe244cf89e041bceab6aafec1f5d20a40408b035aa838badc7e4bbea6cd59b5387dfab4c412513cc96168e2536f0b93f33c0113964eb96d94b2b83c19d8c9942
ripemd-160
fb3e5890285c6ae6e5579b5e33bfe5b48d0fb477
Diameter
323008770
Circumference
1014761978.8771
Area
8.1944254659962E+16
Volume
1.7645808604188E+25
Surface area
3.2777701863985E+17
Circumference
1014761978.8771
Perimeter
646017540
Area
26083666374228225
Diagonal
228401691.64973
Surface area
156501998245369350
Volume
4.2126264963149E+24
Space diagonal
279733800.46516
Perimeter
484513155
Area
1.129455885196E+16
Altitude
139866900.23258
Surface area
1.129455885196E+16
Volume
4.9646279369173E+23
Height
76133897.216575