161991034 (number)

161991034 is an even 9-digits composite number following 161991033 and preceding 161991035. In scientific notation, it is written as 1.61991034 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 80995516 positive integers (up to 161991034) that are relatively prime to 161991034.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred ninety-one thousand thirty-four

Notation

Scientific notation 1.61991034 × 10^8
Engineering notation 1.61991034 × 10^6

Prime Factorization of 161991034

Prime Factorization 2 × 80995517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161991034
Product of the distinct prime numbers

The prime factorization of 161991034 is 2 × 80995517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161991034)

Multiplication

n×y
n×2 323982068
n×3 485973102
n×4 647964136
n×5 809955170

Division

n÷y
n÷2 80995517
n÷3 53997011.333333
n÷3 40497758.5
n÷5 32398206.8

Exponentiation

ny
n2 26241095096389156
n3 4.2508221279564E+24
n4 6.8859507185774E+32
n5 1.1154622769754E+41

Nth Root

y√n
2√n 12727.56983874
3√n 545.12612068679
4√n 112.81653176171
5√n 43.842791230731

Divisors of 161991034

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 -161991033
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 161991034 can be divided by 4 positive divisors. The sum of these divisors (counting 161991034) is 1, the average is 0.25.

Base conversion 161991034

Base System Value
2 Binary 1001101001111100100101111010
3 Ternary 102021210222220221
4 Quaternary 21221330211322
5 Quinary 312432203114
6 Senary 24024010254
8 Octal 1151744572
10 Decimal 161991034
12 Duodecimal 4630098a
16 Hexadecimal 9a7c97a
20 Vigesimal 2ac8hbe
36 Base36 2og12y

Cryptographic Hash Functions

md5 ad0e364c82207bc7848bf991312e421a
sha1 0bc0476450a372f965ef39ec52d2b3ef891d4327
sha256 964009a4b238b9b7e7e403eb379b2ad36f756b4b4009c489f15df47b1cf4b7db
sha512 31a21542ea04aba216d782d1ae676a110657466316f2b6de679082093fe6ba36afaf71cedf16ca3f91c19cead17c6cbaa2d5e5517a533be1000b62b7336ab94c
ripemd-160 d6bfc5c170109d2f6c61504d3671afc9680eea06

161991034 as geometric shapes

Circle

Radius = n
Diameter 323982068
Circumference 1017819684.7236
Area 8.2438831576967E+16

Sphere

Radius = n
Volume 1.7805802091873E+25
Surface area 3.2975532630787E+17
Circumference 1017819684.7236

Square

Length = n
Perimeter 647964136
Area 26241095096389156
Diagonal 229089917.26564

Cube

Length = n
Surface area 157446570578334936
Volume 4.2508221279564E+24
Space diagonal 280576701.25862

Equilateral Triangle

Length = n
Perimeter 485973102
Area 1.1362727488298E+16
Altitude 140288350.62931

Triangular Pyramid

Length = n
Surface area 1.1362727488298E+16
Volume 5.009641920493E+23
Height 76363305.755214