161801977 (number)

161801977 is an odd 9-digits composite number following 161801976 and preceding 161801978. In scientific notation, it is written as 1.61801977 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 160637796 positive integers (up to 161801977) that are relatively prime to 161801977.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred one thousand nine hundred seventy-seven

Notation

Scientific notation 1.61801977 × 10^8
Engineering notation 1.61801977 × 10^6

Prime Factorization of 161801977

Prime Factorization 139 × 1164043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161801977
Product of the distinct prime numbers

The prime factorization of 161801977 is 139 × 1164043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 58, 17, 742, 431, 8805, 7051, 83765, 51453, 548600, 23777, 3111090, 5956955, 47828179, 13099628, 340266787, 728561606, 8379644260, 8862732183

Basic calculations (n = 161801977)

Multiplication

n×y
n×2 323603954
n×3 485405931
n×4 647207908
n×5 809009885

Division

n÷y
n÷2 80900988.5
n÷3 53933992.333333
n÷3 40450494.25
n÷5 32360395.4

Exponentiation

ny
n2 26179879761108529
n3 4.2359563029696E+24
n4 6.853861043061E+32
n5 1.1089682668506E+41

Nth Root

y√n
2√n 12720.140604569
3√n 544.91396896945
4√n 112.78360077852
5√n 43.83255281374

Divisors of 161801977

1, 139, 1164043, 161801977

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161801976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161801977 can be divided by 4 positive divisors. The sum of these divisors (counting 161801977) is 1, the average is 0.25.

Base conversion 161801977

Base System Value
2 Binary 1001101001001110011011111001
3 Ternary 102021110101120211
4 Quaternary 21221032123321
5 Quinary 312410130402
6 Senary 24015551121
8 Octal 1151163371
10 Decimal 161801977
12 Duodecimal 4622b4a1
16 Hexadecimal 9a4e6f9
20 Vigesimal 2ab54ih
36 Base36 2obz7d

Cryptographic Hash Functions

md5 a22fe58adeba3c9da3a78ee3abe4648c
sha1 7984ea8368abed14a645ca0dd130443164feff27
sha256 f27d6f17c418f542cf358aa1fd675fa1ec338ed042773fa3b59e7fe828a567fe
sha512 f94539b3b748d01af91a3e46bf58c0d3e06ebe3737948ca62db94428655964a8c88e02662d6c44fb3f5c25770d6859b92446afc93a9fd3610f28621190e9ec23
ripemd-160 82105f0197f69c983ba0c8be6fad4d70d8de0e55

161801977 as geometric shapes

Circle

Radius = n
Diameter 323603954
Circumference 1016631804.559
Area 8.2246517929363E+16

Sphere

Radius = n
Volume 1.7743532269782E+25
Surface area 3.2898607171745E+17
Circumference 1016631804.559

Square

Length = n
Perimeter 647207908
Area 26179879761108529
Diagonal 228822550.29218

Cube

Length = n
Surface area 157079278566651174
Volume 4.2359563029696E+24
Space diagonal 280249244.92909

Equilateral Triangle

Length = n
Perimeter 485405931
Area 1.1336220470571E+16
Altitude 140124622.46455

Triangular Pyramid

Length = n
Surface area 1.1336220470571E+16
Volume 4.9921223777329E+23
Height 76274183.430727