161502021 is an odd 9-digits composite number following 161502020
and preceding 161502022 . In scientific notation, it is written as 1.61502021 × 10^8.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 102506976 positive integers (up to 161502021) that are relatively prime to 161502021.
161502021 has 24 divisors, whose sum is 244558080
The reverse of 161502021 is 120205161
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
one hundred sixty-one million five hundred two thousand twenty-one
Scientific notation
1.61502021 × 10^8
Engineering notation
1.61502021 × 10^6
Prime Factorization
3 × 3 × 23 × 229 × 3407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
53834007
Product of the distinct prime numbers
The prime factorization of 161502021 is 3 × 3 × 23 × 229 × 3407.
Since it has a total of 5 prime factors.
9 , 7 , 79 , 59 , 48 , 210 , 343 , 8452 , 75734 , 8694 , 131024 , 510055 , 8563837 , 4115963 , 50226407 , 25503607 , 185727417 , 504093886 , 8082362128 , 1142741855
n×2
323004042
n×3
484506063
n×4
646008084
n×5
807510105
n÷2
80751010.5
n÷3
53834007
n÷3
40375505.25
n÷5
32300404.2
n2
26082902787084441
n3
4.2124415136607E+24
n4
6.803178178005E+32
n5
1.0987270249709E+41
2 √n
12708.344542072
3 √n
544.57703175454
4 √n
112.73129353499
5 √n
43.816288985643
1 , 3 , 9 , 23 , 69 , 207 , 229 , 687 , 2061 , 3407 , 5267 , 10221 , 15801 , 30663 , 47403 , 78361 , 235083 , 705249 , 780203 , 2340609 , 7021827 , 17944669 , 53834007 , 161502021
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161502020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161502021 can be divided by 24 positive divisors.
The sum of these divisors (counting 161502021) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000000101001101000101
3
Ternary
102020220011010100
4
Quaternary
21220011031011
5
Quinary
312321031041
6
Senary
24005314313
8
Octal
1150051505
10
Decimal
161502021
12
Duodecimal
46105999
16
Hexadecimal
9a05345
20
Vigesimal
2a97f11
36
Base36
2o5jr9
md5
70204dd86b2727135a76c1167bdf826c
sha1
e3a31f7ba38f223060ca890b798d81c18188d404
sha256
7e5d84c8b410bcf49731f69ba5657cce9e3526926cb7d8c0d6bde7ebefe306ba
sha512
c3edd5240ad1404b901fdc74ca9df8eb8a07cbb8d824a3a5f5a84e854794b94b7f9ad77da0a7d5d734e9829cb46a3e402e6303b632a37dd74fbdedd744b867f4
ripemd-160
8fbb8b567076542f5458a0c9d8f432e2f9b03885
Diameter
323004042
Circumference
1014747125.427
Area
8.1941855780201E+16
Volume
1.7645033750657E+25
Surface area
3.277674231208E+17
Circumference
1014747125.427
Perimeter
646008084
Area
26082902787084441
Diagonal
228398348.44886
Surface area
156497416722506646
Volume
4.2124415136607E+24
Space diagonal
279729705.89706
Perimeter
484506063
Area
1.1294228209028E+16
Altitude
139864852.94853
Surface area
1.1294228209028E+16
Volume
4.9644099327686E+23
Height
76132782.816288