161036985 is an odd 9-digits composite number following 161036984
and preceding 161036986 . In scientific notation, it is written as 1.61036985 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 85886384 positive integers (up to 161036985) that are relatively prime to 161036985.
161036985 has 8 divisors, whose sum is 257659200
The reverse of 161036985 is 589630161
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty-one million thirty-six thousand nine hundred eighty-five
Scientific notation
1.61036985 × 10^8
Engineering notation
1.61036985 × 10^6
Prime Factorization
3 × 5 × 10735799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161036985
Product of the distinct prime numbers
The prime factorization of 161036985 is 3 × 5 × 10735799.
Since it has a total of 3 prime factors.
7 , 7 , 1 , 24 , 339 , 236 , 8868 , 4808 , 53095 , 30241 , 971686 , 297722 , 216236 , 9027301 , 95926595 , 56931697 , 692478989 , 6863170 , 943900167 , 4561802379
n×2
322073970
n×3
483110955
n×4
644147940
n×5
805184925
n÷2
80518492.5
n÷3
53678995
n÷3
40259246.25
n÷5
32207397
n2
25932910537890225
n3
4.1761577252966E+24
n4
6.7251584896622E+32
n5
1.0829992468224E+41
2 √n
12690.034869928
3 √n
544.05383626837
4 √n
112.65005490424
5 √n
43.791026563464
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161036984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161036985 can be divided by 8 positive divisors.
The sum of these divisors (counting 161036985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010011101010111001
3
Ternary
102020000112012210
4
Quaternary
21212103222321
5
Quinary
312211140420
6
Senary
23551325333
8
Octal
1146235271
10
Decimal
161036985
12
Duodecimal
45b20849
16
Hexadecimal
9993ab9
20
Vigesimal
2a69c95
36
Base36
2nvkxl
md5
8e151aabb3a726a4b9a328e9e9356020
sha1
d52a258a5ae3dd8651798726ceabaafba642ca90
sha256
4b19d5db9c2d02f5ee06ecb3aa6fdc59a48453324255d82b2c5cc951db77adfe
sha512
49611654c518362c51f544fbbb7810dd2df7511126217094fd4176aaf82ce8ea4850d08d67ee4ee5956c4e4fb532e6d910f0172080ab15b62138f3c46d20b468
ripemd-160
7d20715aa535e32481b886bc6e8084c960a46bf6
Diameter
322073970
Circumference
1011825218.0645
Area
8.1470641232037E+16
Volume
1.7493048573365E+25
Surface area
3.2588256492815E+17
Circumference
1011825218.0645
Perimeter
644147940
Area
25932910537890225
Diagonal
227740688.23067
Surface area
155597463227341350
Volume
4.1761577252966E+24
Space diagonal
278924239.91771
Perimeter
483110955
Area
1.1229279659941E+16
Altitude
139462119.95885
Surface area
1.1229279659941E+16
Volume
4.921649078103E+23
Height
75913562.743558