161640125 is an odd 9-digits composite number following 161640124
and preceding 161640126 . In scientific notation, it is written as 1.61640125 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 122504400 positive integers (up to 161640125) that are relatively prime to 161640125.
161640125 has 16 divisors, whose sum is 212347200
The reverse of 161640125 is 521046161
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred sixty-one million six hundred forty thousand one hundred twenty-five
Scientific notation
1.61640125 × 10^8
Engineering notation
1.61640125 × 10^6
Prime Factorization
25 × 19 × 5 × 68059
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161640125
Product of the distinct prime numbers
The prime factorization of 161640125 is 25 × 19 × 5 × 68059.
Since it has a total of 4 prime factors.
5 , 1 , 25 , 22 , 722 , 625 , 2286 , 8703 , 92569 , 94266 , 81069 , 931005 , 32383 , 2303583 , 31686235 , 92228702 , 303265643 , 873916889 , 871936270 , 8521412472
n×2
323280250
n×3
484920375
n×4
646560500
n×5
808200625
n÷2
80820062.5
n÷3
53880041.666667
n÷3
40410031.25
n÷5
32328025
n2
26127530010015625
n3
4.2232572167602E+24
n4
6.8264782442427E+32
n5
1.1034327967092E+41
2 √n
12713.776976178
3 √n
544.73221420712
4 √n
112.75538557505
5 √n
43.823780082027
1 , 5 , 19 , 25 , 95 , 125 , 475 , 2375 , 68059 , 340295 , 1293121 , 1701475 , 6465605 , 8507375 , 32328025 , 161640125
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
-161640124
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 161640125 can be divided by 16 positive divisors.
The sum of these divisors (counting 161640125) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000100110111010111101
3
Ternary
102021011011120022
4
Quaternary
21220212322331
5
Quinary
312334441000
6
Senary
24012301525
8
Octal
1150467275
10
Decimal
161640125
12
Duodecimal
461718a5
16
Hexadecimal
9a26ebd
20
Vigesimal
2aa5065
36
Base36
2o8ibh
md5
1afb79eca2da9d8d271db69479a995be
sha1
933fb24f4ef1fc3878c49a1a5cd1b3d6c64641b6
sha256
2d8333531d887e6b2c833fc28215f03c4e84a44c6a40a3e0963f48d0ade5eb6e
sha512
cb4ebc36a83accae409ab20fb286871259fc2fa7eebd763b1e5dd14cb1abb86bb05da0f43ff379ea05ce93a9e43547193786a767f59befa45f4391f57598a877
ripemd-160
c5d83b8d8094d33bef5bed2160167d383f18e0aa
Diameter
323280250
Circumference
1015614858.4507
Area
8.2082056335912E+16
Volume
1.7690338461858E+25
Surface area
3.2832822534365E+17
Circumference
1015614858.4507
Perimeter
646560500
Area
26127530010015625
Diagonal
228593656.99868
Surface area
156765180060093750
Volume
4.2232572167602E+24
Space diagonal
279968909.04178
Perimeter
484920375
Area
1.1313552363407E+16
Altitude
139984454.52089
Surface area
1.1313552363407E+16
Volume
4.9771563611102E+23
Height
76197885.666227