161008087 is an odd 9-digits composite number following 161008086
and preceding 161008088 . In scientific notation, it is written as 1.61008087 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 155456056 positive integers (up to 161008087) that are relatively prime to 161008087.
161008087 has 4 divisors, whose sum is 166560120
The reverse of 161008087 is 780800161
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million eight thousand eighty-seven
Scientific notation
1.61008087 × 10^8
Engineering notation
1.61008087 × 10^6
Prime Factorization
29 × 5552003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161008087
Product of the distinct prime numbers
The prime factorization of 161008087 is 29 × 5552003.
Since it has a total of 2 prime factors.
5 , 4 , 38 , 83 , 41 , 77 , 689 , 2214 , 66535 , 42605 , 468608 , 749930 , 8730868 , 5933793 , 20556727 , 51393978 , 512624693 , 68172706 , 6667545062 , 5235850953
n×2
322016174
n×3
483024261
n×4
644032348
n×5
805040435
n÷2
80504043.5
n÷3
53669362.333333
n÷3
40252021.75
n÷5
32201617.4
n2
25923604079399569
n3
4.1739099009695E+24
n4
6.7203324846546E+32
n5
1.0820278773582E+41
2 √n
12688.896208891
3 √n
544.0212909325
4 √n
112.64500081624
5 √n
43.789454795424
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161008086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161008087 can be divided by 4 positive divisors.
The sum of these divisors (counting 161008087) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001100100111010111
3
Ternary
102012222001120111
4
Quaternary
21212030213113
5
Quinary
312204224322
6
Senary
23550543451
8
Octal
1146144727
10
Decimal
161008087
12
Duodecimal
45b07b87
16
Hexadecimal
998c9d7
20
Vigesimal
2a66047
36
Base36
2nuymv
md5
b4c184f87912ad116b3a97e28027477c
sha1
bc94a0fcdf14a91199f90db535f844a7f543be13
sha256
279ff1df6e696a3ec8e122b1134af0d65f31a13eb03b4caa229197747bcd1aec
sha512
35474257639cb8d3ff78df104a5c693a41d8c6ece1be9833cda17446f07c0cd6fadff6952466d04d0b4c5f5ac5f70bfb36f8e0ed5a629201e3aa30b7e4bfd3d4
ripemd-160
64cac0060f47d6c7598a93f8145422491cae6a01
Diameter
322016174
Circumference
1011643646.5755
Area
8.1441404130412E+16
Volume
1.7483632908842E+25
Surface area
3.2576561652165E+17
Circumference
1011643646.5755
Perimeter
644032348
Area
25923604079399569
Diagonal
227699820.28715
Surface area
155541624476397414
Volume
4.1739099009695E+24
Space diagonal
278874187.11347
Perimeter
483024261
Area
1.1225249845205E+16
Altitude
139437093.55674
Surface area
1.1225249845205E+16
Volume
4.9189999917287E+23
Height
75899940.095716