161882021 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred eighty-two thousand twenty-one

Notation

Scientific notation 1.61882021 × 10^8
Engineering notation 1.61882021 × 10^6

Prime Factorization of 161882021

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.

Most popular turbo-numbers

Basic calculations (n = 161882021)

Multiplication

n×y
n×2 323764042
n×3 485646063
n×4 647528084
n×5 809410105

Division

n÷y
n÷2 80941010.5
n÷3 53960673.666667
n÷3 40470505.25
n÷5 32376404.2

Exponentiation

ny
n2 26205788723044441
n3 4.2422460403854E+24
n4 6.8674336259684E+32
n5 1.1117140344551E+41

Nth Root

y√n
2√n 12723.286564406
3√n 545.00381110036
4√n 112.79754680137
5√n 43.836888779042

Divisors of 161882021

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 conversion 161882021

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

Cryptographic Hash Functions

md5 ba61d70ccc31f36bb6bbe26ef626c215
sha1 3209ef03cf9f4c7134a60dd5d8dcb0e297ea0b5f
sha256 1a059ae08ea0e9624bb820be5f5ae988488abbe9830563b3299e12b9e25e4ae8
sha512 03a45891ca12527aff7098b2da61e8363774035aeb743f5b94e1e3d558bbfa85277e9cb64dfa0407cda8650eec55a058272acf6a689edff3637bff4faae4d06c
ripemd-160 208d6a8bd01c296da41e6e79a7a98bfe108d236c

161882021 as geometric shapes

Circle

Radius = n
Diameter 323764042
Circumference 1017134735.8437
Area 8.2327913333843E+16

Sphere

Radius = n
Volume 1.776987866026E+25
Surface area 3.2931165333537E+17
Circumference 1017134735.8437

Square

Length = n
Perimeter 647528084
Area 26205788723044441
Diagonal 228935749.60257

Cube

Length = n
Surface area 157234732338266646
Volume 4.2422460403854E+24
Space diagonal 280387885.20393

Equilateral Triangle

Length = n
Perimeter 485646063
Area 1.1347439380182E+16
Altitude 140193942.60197

Triangular Pyramid

Length = n
Surface area 1.1347439380182E+16
Volume 4.9995349043639E+23
Height 76311916.534189