161022901 is an odd 9-digits composite number following 161022900
and preceding 161022902 . In scientific notation, it is written as 1.61022901 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 148636512 positive integers (up to 161022901) that are relatively prime to 161022901.
161022901 has 4 divisors, whose sum is 173409292
The reverse of 161022901 is 109220161
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred sixty-one million twenty-two thousand nine hundred one
Scientific notation
1.61022901 × 10^8
Engineering notation
1.61022901 × 10^6
Prime Factorization
13 × 12386377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161022901
Product of the distinct prime numbers
The prime factorization of 161022901 is 13 × 12386377.
Since it has a total of 2 prime factors.
9 , 8 , 91 , 50 , 155 , 50 , 7366 , 6598 , 83808 , 23705 , 101657 , 917447 , 2696116 , 5016606 , 81624027 , 3131650 , 854842578 , 785451107 , 3710506038 , 4714451545
n×2
322045802
n×3
483068703
n×4
644091604
n×5
805114505
n÷2
80511450.5
n÷3
53674300.333333
n÷3
40255725.25
n÷5
32204580.2
n2
25928374646455801
n3
4.1750621037872E+24
n4
6.7228061180697E+32
n5
1.0825257439921E+41
2 √n
12689.479934182
3 √n
544.03797515501
4 √n
112.64759178155
5 √n
43.790260560057
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
-161022900
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 161022901 can be divided by 4 positive divisors.
The sum of these divisors (counting 161022901) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010000001110110101
3
Ternary
102012222210220011
4
Quaternary
21212100032311
5
Quinary
312210213101
6
Senary
23551140221
8
Octal
1146201665
10
Decimal
161022901
12
Duodecimal
45b14671
16
Hexadecimal
99903b5
20
Vigesimal
2a67h51
36
Base36
2nva2d
md5
7b291e7fcb674505676548879c38a91e
sha1
f9495981a993087d35c4649b3bc7cd718d3cbc58
sha256
c6a76248529408d2738f7643b3760de06494de2440eaac0026b55e342502c1f3
sha512
cdba25c83c34b6a24cf022bdfbaa5560d52810ddca0873b4e90dc4e968862cba058cf62e51184462fbdcb658e955f8a93de5c696058d206382bd5c682657a1ee
ripemd-160
48e273b7521e1fece45d93d5298f127ff3abd00f
Diameter
322045802
Circumference
1011736725.6826
Area
8.1456391308829E+16
Volume
1.7488459244719E+25
Surface area
3.2582556523532E+17
Circumference
1011736725.6826
Perimeter
644091604
Area
25928374646455801
Diagonal
227720770.44686
Surface area
155570247878734806
Volume
4.1750621037872E+24
Space diagonal
278899845.71413
Perimeter
483068703
Area
1.1227315561336E+16
Altitude
139449922.85707
Surface area
1.1227315561336E+16
Volume
4.9203578757715E+23
Height
75906923.482287