161520491 (number)

161520491 is an odd 9-digits composite number following 161520490 and preceding 161520492. In scientific notation, it is written as 1.61520491 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 146836800 positive integers (up to 161520491) that are relatively prime to 161520491.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million five hundred twenty thousand four hundred ninety-one

Notation

Scientific notation 1.61520491 × 10^8
Engineering notation 1.61520491 × 10^6

Prime Factorization of 161520491

Prime Factorization 11 × 14683681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161520491
Product of the distinct prime numbers

The prime factorization of 161520491 is 11 × 14683681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 94, 28, 714, 22, 2987, 5314, 41990, 80596, 20548, 273580, 715204, 185296, 71861803, 84877481, 484989548, 97157790, 943315822, 7673202238

Basic calculations (n = 161520491)

Multiplication

n×y
n×2 323040982
n×3 484561473
n×4 646081964
n×5 807602455

Division

n÷y
n÷2 80760245.5
n÷3 53840163.666667
n÷3 40380122.75
n÷5 32304098.2

Exponentiation

ny
n2 26088869012881081
n3 4.2138869325952E+24
n4 6.8062908637127E+32
n5 1.0993554421957E+41

Nth Root

y√n
2√n 12709.07120918
3√n 544.59779094649
4√n 112.73451649419
5√n 43.817291140085

Divisors of 161520491

1, 11, 14683681, 161520491

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 -161520490
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 161520491 can be divided by 4 positive divisors. The sum of these divisors (counting 161520491) is 1, the average is 0.25.

Base conversion 161520491

Base System Value
2 Binary 1001101000001001101101101011
3 Ternary 102020221002110102
4 Quaternary 21220021231223
5 Quinary 312322123431
6 Senary 24005540015
8 Octal 1150115553
10 Decimal 161520491
12 Duodecimal 4611460b
16 Hexadecimal 9a09b6b
20 Vigesimal 2a9a14b
36 Base36 2o5y0b

Cryptographic Hash Functions

md5 ce93a4f2d8fae375e0bf02652b37dcb6
sha1 d92d2c037f717d91d8fe236a15774eb5e15be619
sha256 4ba639d84204eff47f64711fe394052df77ce0519c7338a59d6ec079c7abf15d
sha512 4e7cff3130686b845c8780dacfe2c189351458d8d90a61bc989df602b6b6d88bae33929dd0f3985eda594ecc42cbf83384f05438738b3ffa20a8b41fe8caeceb
ripemd-160 94e93c41f70c5a54954e5d3004dc6c86a581b3aa

161520491 as geometric shapes

Circle

Radius = n
Diameter 323040982
Circumference 1014863175.8596
Area 8.1960599231334E+16

Sphere

Radius = n
Volume 1.7651088307332E+25
Surface area 3.2784239692533E+17
Circumference 1014863175.8596

Square

Length = n
Perimeter 646081964
Area 26088869012881081
Diagonal 228424468.97336

Cube

Length = n
Surface area 156533214077286486
Volume 4.2138869325952E+24
Space diagonal 279761696.87547

Equilateral Triangle

Length = n
Perimeter 484561473
Area 1.129681166058E+16
Altitude 139880848.43774

Triangular Pyramid

Length = n
Surface area 1.129681166058E+16
Volume 4.9661133753191E+23
Height 76141489.657787