161898982 is an even 9-digits composite number following 161898981
and preceding 161898983 . In scientific notation, it is written as 1.61898982 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 69208128 positive integers (up to 161898982) that are relatively prime to 161898982.
161898982 has 16 divisors, whose sum is 278249760
The reverse of 161898982 is 289898161
Previous prime number is 397
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred sixty-one million eight hundred ninety-eight thousand nine hundred eighty-two
Scientific notation
1.61898982 × 10^8
Engineering notation
1.61898982 × 10^6
Prime Factorization
2 × 7 × 397 × 29129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161898982
Product of the distinct prime numbers
The prime factorization of 161898982 is 2 × 7 × 397 × 29129.
Since it has a total of 4 prime factors.
3 , 3 , 94 , 87 , 793 , 432 , 1812 , 4207 , 39117 , 21435 , 969133 , 228213 , 2617894 , 8785894 , 91890145 , 8690092 , 405158315 , 975615112 , 1580071156 , 7936806281
n×2
323797964
n×3
485696946
n×4
647595928
n×5
809494910
n÷2
80949491
n÷3
53966327.333333
n÷3
40474745.5
n÷5
32379796.4
n2
26211280372636324
n3
4.2435796092464E+24
n4
6.8703121877295E+32
n5
1.1122965492156E+41
2 √n
12723.953080706
3 √n
545.02284448192
4 √n
112.80050124315
5 √n
43.837807332328
1 , 2 , 7 , 14 , 397 , 794 , 2779 , 5558 , 29129 , 58258 , 203903 , 407806 , 11564213 , 23128426 , 80949491 , 161898982
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
-161898981
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 161898982 can be divided by 16 positive divisors.
The sum of these divisors (counting 161898982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001100110000111100110
3
Ternary
102021122022122121
4
Quaternary
21221212013212
5
Quinary
312421231412
6
Senary
24022020154
8
Octal
1151460746
10
Decimal
161898982
12
Duodecimal
4627765a
16
Hexadecimal
9a661e6
20
Vigesimal
2abh792
36
Base36
2oe21y
md5
26bfc46a6cb773206c41bff29271d537
sha1
01b55f391ad45ae9e34f1691ea0e03c548619417
sha256
cd799f2a316f35aa16acdd0896093042f219350379ff16cad405cd5a824d5979
sha512
3e42078f20d11fbe1a1a470275cb280deaffbc8745ed75c965d25df61a12bd8d6851e4851a1eafaed4f1ec4d3f3479b47d763f2eadb711ab007c1752a9ac7329
ripemd-160
986e173419dd9848fe498c503f565ee2c4482bd7
Diameter
323797964
Circumference
1017241304.9497
Area
8.2345165859857E+16
Volume
1.7775464700443E+25
Surface area
3.2938066343943E+17
Circumference
1017241304.9497
Perimeter
647595928
Area
26211280372636324
Diagonal
228959736.0788
Surface area
157267682235817944
Volume
4.2435796092464E+24
Space diagonal
280417262.51768
Perimeter
485696946
Area
1.134981733421E+16
Altitude
140208631.25884
Surface area
1.134981733421E+16
Volume
5.0011065303385E+23
Height
76319912.026266