161925265 is an odd 9-digits composite number following 161925264
and preceding 161925266 . In scientific notation, it is written as 1.61925265 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 126149760 positive integers (up to 161925265) that are relatively prime to 161925265.
161925265 has 16 divisors, whose sum is 199463040
The reverse of 161925265 is 562529161
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-one million nine hundred twenty-five thousand two hundred sixty-five
Scientific notation
1.61925265 × 10^8
Engineering notation
1.61925265 × 10^6
Prime Factorization
5 × 89 × 67 × 5431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161925265
Product of the distinct prime numbers
The prime factorization of 161925265 is 5 × 89 × 67 × 5431.
Since it has a total of 4 prime factors.
10 , 2 , 9 , 100 , 998 , 138 , 5918 , 9949 , 25464 , 20916 , 329903 , 349623 , 7760660 , 7858033 , 39856947 , 26265496 , 338157721 , 503579573 , 5734431224 , 7451022045
n×2
323850530
n×3
485775795
n×4
647701060
n×5
809626325
n÷2
80962632.5
n÷3
53975088.333333
n÷3
40481316.25
n÷5
32385053
n2
26219791445320225
n3
4.2456466780282E+24
n4
6.8747746343609E+32
n5
1.1131997044842E+41
2 √n
12724.985854609
3 √n
545.05233624718
4 √n
112.80507902842
5 √n
43.839230583128
1 , 5 , 67 , 89 , 335 , 445 , 5431 , 5963 , 27155 , 29815 , 363877 , 483359 , 1819385 , 2416795 , 32385053 , 161925265
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
-161925264
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 161925265 can be divided by 16 positive divisors.
The sum of these divisors (counting 161925265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001101100100010010001
3
Ternary
102021200122201001
4
Quaternary
21221230202101
5
Quinary
312423102030
6
Senary
24022342001
8
Octal
1151544221
10
Decimal
161925265
12
Duodecimal
4628a901
16
Hexadecimal
9a6c891
20
Vigesimal
2ac0d35
36
Base36
2oemc1
md5
abbeca3d262f1eca2747e652d8e7fbb9
sha1
76de36358aa48360916bc37908951301102c1615
sha256
5f4da1a471caea8395f1a3e67da346cea5bdadda9ede97ab2a7d6ae3443eea2e
sha512
e7c08e01607076b3eca0588c5243e53b9c874b74da656fcc744a746fe6d9806fdb149dbae6c9bf916937017557bf6911398a50fc28f055a3b2a6b230adf697a4
ripemd-160
752b3ff195b5053cc65cc440f60f6838224227eb
Diameter
323850530
Circumference
1017406445.9092
Area
8.2371904183275E+16
Volume
1.7784123217908E+25
Surface area
3.294876167331E+17
Circumference
1017406445.9092
Perimeter
647701060
Area
26219791445320225
Diagonal
228996905.85386
Surface area
157318748671921350
Volume
4.2456466780282E+24
Space diagonal
280462786.00905
Perimeter
485775795
Area
1.1353502736789E+16
Altitude
140231393.00453
Surface area
1.1353502736789E+16
Volume
5.0035425942598E+23
Height
76332301.951286