161761641 (number)

161761641 is an odd 9-digits composite number following 161761640 and preceding 161761642. In scientific notation, it is written as 1.61761641 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 107841092 positive integers (up to 161761641) that are relatively prime to 161761641.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred sixty-one thousand six hundred forty-one

Notation

Scientific notation 1.61761641 × 10^8
Engineering notation 1.61761641 × 10^6

Prime Factorization of 161761641

Prime Factorization 3 × 53920547

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161761641
Product of the distinct prime numbers

The prime factorization of 161761641 is 3 × 53920547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161761641)

Multiplication

n×y
n×2 323523282
n×3 485284923
n×4 647046564
n×5 808808205

Division

n÷y
n÷2 80880820.5
n÷3 53920547
n÷3 40440410.25
n÷5 32352328.2

Exponentiation

ny
n2 26166828499012881
n3 4.2327891177659E+24
n4 6.8470291369675E+32
n5 1.1075866691707E+41

Nth Root

y√n
2√n 12718.554988677
3√n 544.86868423938
4√n 112.77657109824
5√n 43.830367171498

Divisors of 161761641

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 -161761640
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 161761641 can be divided by 4 positive divisors. The sum of these divisors (counting 161761641) is 1, the average is 0.25.

Base conversion 161761641

Base System Value
2 Binary 1001101001000100100101101001
3 Ternary 102021101100020220
4 Quaternary 21221010211221
5 Quinary 312402333031
6 Senary 24015040253
8 Octal 1151044551
10 Decimal 161761641
12 Duodecimal 46210089
16 Hexadecimal 9a44969
20 Vigesimal 2ab0421
36 Base36 2ob42x

Cryptographic Hash Functions

md5 3ada6d49dcec9021f755680f5dd03b09
sha1 313f1200fb6b39cb1012d58989d7411d05ebeda0
sha256 b962d99575b3afebdf2ac321cb374cff67063edad7cdf80e72db694fe66c1519
sha512 d5b73a127761914d5eb5cdc66f5168076d756b4f4b8563d2bfcf7f0985f305103b3e5c0190e343479def0ef63cf20584efbe65854d29c6cde1501ad95efac6c5
ripemd-160 4adaefffd5e4fdd5ec709e0dd8f97d7095e55b79

161761641 as geometric shapes

Circle

Radius = n
Diameter 323523282
Circumference 1016378365.9965
Area 8.2205516180243E+16

Sphere

Radius = n
Volume 1.7730265595424E+25
Surface area 3.2882206472097E+17
Circumference 1016378365.9965

Square

Length = n
Perimeter 647046564
Area 26166828499012881
Diagonal 228765506.57393

Cube

Length = n
Surface area 157000970994077286
Volume 4.2327891177659E+24
Space diagonal 280179380.92772

Equilateral Triangle

Length = n
Perimeter 485284923
Area 1.1330569108308E+16
Altitude 140089690.46386

Triangular Pyramid

Length = n
Surface area 1.1330569108308E+16
Volume 4.9883898141748E+23
Height 76255168.857976