161900542 is an even 9-digits composite number following 161900541
and preceding 161900543 . In scientific notation, it is written as 1.61900542 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 75504000 positive integers (up to 161900542) that are relatively prime to 161900542.
161900542 has 32 divisors, whose sum is 259801344
The reverse of 161900542 is 245009161
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred sixty-one million nine hundred thousand five hundred forty-two
Scientific notation
1.61900542 × 10^8
Engineering notation
1.61900542 × 10^6
Prime Factorization
2 × 23 × 67 × 131 × 401
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161900542
Product of the distinct prime numbers
The prime factorization of 161900542 is 2 × 23 × 67 × 131 × 401.
Since it has a total of 5 prime factors.
7 , 4 , 3 , 28 , 827 , 889 , 6386 , 2431 , 18686 , 46348 , 348216 , 81735 , 6042060 , 6106084 , 36900033 , 94927369 , 764155293 , 158382050 , 4226718111 , 1946209837
n×2
323801084
n×3
485701626
n×4
647602168
n×5
809502710
n÷2
80950271
n÷3
53966847.333333
n÷3
40475135.5
n÷5
32380108.4
n2
26211785499893764
n3
4.2437022792205E+24
n4
6.8705769909244E+32
n5
1.1123501386834E+41
2 √n
12724.014382262
3 √n
545.02459502393
4 √n
112.80077296837
5 √n
43.837891813052
1 , 2 , 23 , 46 , 67 , 131 , 134 , 262 , 401 , 802 , 1541 , 3013 , 3082 , 6026 , 8777 , 9223 , 17554 , 18446 , 26867 , 52531 , 53734 , 105062 , 201871 , 403742 , 617941 , 1208213 , 1235882 , 2416426 , 3519577 , 7039154 , 80950271 , 161900542
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161900541
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161900542 can be divided by 32 positive divisors.
The sum of these divisors (counting 161900542) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101001100110011111111110
3
Ternary
102021122101210101
4
Quaternary
21221212133332
5
Quinary
312421304132
6
Senary
24022031314
8
Octal
1151463776
10
Decimal
161900542
12
Duodecimal
4627853a
16
Hexadecimal
9a667fe
20
Vigesimal
2abhb72
36
Base36
2oe39a
md5
ba92e14368454248291d4e727e0ec396
sha1
480f270de040fb305171ba674aedc463497fe441
sha256
a64fa86f5617767cd94b51cdf78bc379b96204a495a84b236c3ca2201f0c6585
sha512
6e56d0d065d329f37449fc4eb8c3141e8e7c440e30db1a68e825bdfeaa17815229b06233915f45ec1648eeae5d09e84f2f8029768ef8d92c7e00266a4203383a
ripemd-160
0fd209ac0043f5d64e296492b4ef115d2106662e
Diameter
323801084
Circumference
1017251106.7188
Area
8.2346752763938E+16
Volume
1.7775978539229E+25
Surface area
3.2938701105575E+17
Circumference
1017251106.7188
Perimeter
647602168
Area
26211785499893764
Diagonal
228961942.25195
Surface area
157270712999362584
Volume
4.2437022792205E+24
Space diagonal
280419964.51694
Perimeter
485701626
Area
1.1350036060728E+16
Altitude
140209982.25847
Surface area
1.1350036060728E+16
Volume
5.0012510982894E+23
Height
76320647.417318