161882021 is an odd 9-digits composite number following 161882020
and preceding 161882022 . In scientific notation, it is written as 1.61882021 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 138302208 positive integers (up to 161882021) that are relatively prime to 161882021.
161882021 has 8 divisors, whose sum is 185613120
The reverse of 161882021 is 120288161
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-one million eight hundred eighty-two thousand twenty-one
Scientific notation
1.61882021 × 10^8
Engineering notation
1.61882021 × 10^6
Prime Factorization
7 × 307 × 75329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161882021
Product of the distinct prime numbers
The prime factorization of 161882021 is 7 × 307 × 75329.
Since it has a total of 3 prime factors.
9 , 6 , 93 , 38 , 19 , 804 , 5349 , 7957 , 84275 , 38624 , 956334 , 637030 , 4246369 , 8216196 , 18075229 , 9227717 , 473601808 , 595971277 , 7226412184 , 7517361018
n×2
323764042
n×3
485646063
n×4
647528084
n×5
809410105
n÷2
80941010.5
n÷3
53960673.666667
n÷3
40470505.25
n÷5
32376404.2
n2
26205788723044441
n3
4.2422460403854E+24
n4
6.8674336259684E+32
n5
1.1117140344551E+41
2 √n
12723.286564406
3 √n
545.00381110036
4 √n
112.79754680137
5 √n
43.836888779042
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161882020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161882021 can be divided by 8 positive divisors.
The sum of these divisors (counting 161882021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001100001111110100101
3
Ternary
102021121110101102
4
Quaternary
21221201332211
5
Quinary
312420211041
6
Senary
24021405445
8
Octal
1151417645
10
Decimal
161882021
12
Duodecimal
46269885
16
Hexadecimal
9a61fa5
20
Vigesimal
2abf511
36
Base36
2odoyt
md5
ba61d70ccc31f36bb6bbe26ef626c215
sha1
3209ef03cf9f4c7134a60dd5d8dcb0e297ea0b5f
sha256
1a059ae08ea0e9624bb820be5f5ae988488abbe9830563b3299e12b9e25e4ae8
sha512
03a45891ca12527aff7098b2da61e8363774035aeb743f5b94e1e3d558bbfa85277e9cb64dfa0407cda8650eec55a058272acf6a689edff3637bff4faae4d06c
ripemd-160
208d6a8bd01c296da41e6e79a7a98bfe108d236c
Diameter
323764042
Circumference
1017134735.8437
Area
8.2327913333843E+16
Volume
1.776987866026E+25
Surface area
3.2931165333537E+17
Circumference
1017134735.8437
Perimeter
647528084
Area
26205788723044441
Diagonal
228935749.60257
Surface area
157234732338266646
Volume
4.2422460403854E+24
Space diagonal
280387885.20393
Perimeter
485646063
Area
1.1347439380182E+16
Altitude
140193942.60197
Surface area
1.1347439380182E+16
Volume
4.9995349043639E+23
Height
76311916.534189