161984913 (number)

161984913 is an odd 9-digits composite number following 161984912 and preceding 161984914. In scientific notation, it is written as 1.61984913 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 103685904 positive integers (up to 161984913) that are relatively prime to 161984913.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred eighty-four thousand nine hundred thirteen

Notation

Scientific notation 1.61984913 × 10^8
Engineering notation 1.61984913 × 10^6

Prime Factorization of 161984913

Prime Factorization 3 × 43 × 59 × 21283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161984913
Product of the distinct prime numbers

The prime factorization of 161984913 is 3 × 43 × 59 × 21283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 15, 85, 379, 979, 7316, 5449, 22698, 91492, 741506, 560591, 8559358, 2864164, 12576778, 94556027, 215349380, 76700824, 9271155022, 1196534266

Basic calculations (n = 161984913)

Multiplication

n×y
n×2 323969826
n×3 485954739
n×4 647939652
n×5 809924565

Division

n÷y
n÷2 80992456.5
n÷3 53994971
n÷3 40496228.25
n÷5 32396982.6

Exponentiation

ny
n2 26239112039617569
n3 4.2503402809347E+24
n4 6.884910006276E+32
n5 1.1152515483795E+41

Nth Root

y√n
2√n 12727.329374225
3√n 545.1192545475
4√n 112.81546602405
5√n 43.842459896614

Divisors of 161984913

1, 3, 43, 59, 129, 177, 2537, 7611, 21283, 63849, 915169, 1255697, 2745507, 3767091, 53994971, 161984913

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161984912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161984913 can be divided by 16 positive divisors. The sum of these divisors (counting 161984913) is 1, the average is 0.0625.

Base conversion 161984913

Base System Value
2 Binary 1001101001111011000110010001
3 Ternary 102021210200112020
4 Quaternary 21221323012101
5 Quinary 312432004123
6 Senary 24023522053
8 Octal 1151730621
10 Decimal 161984913
12 Duodecimal 462b9329
16 Hexadecimal 9a7b191
20 Vigesimal 2ac825d
36 Base36 2ofwcx

Cryptographic Hash Functions

md5 3567c1a74684932888539803a7074a8d
sha1 12edf03d5ab1b581f2310c60586d7ee4bd80cd12
sha256 3b0e826033c6522a7034e3b16487ed6c9dd2f05282eb7a1ba9fa728e76bb2489
sha512 34475dec30bac2414d0e9c17805533ac614b1b6b94e85a1f97e57217ad5b76f4ea4d3bb2150eb96e01f2fadd14d1841f0f1721a47d830c465d7b1b334dd4120b
ripemd-160 dac6d90c33094b38deb5fcf53f1184f859a2bd67

161984913 as geometric shapes

Circle

Radius = n
Diameter 323969826
Circumference 1017781225.3464
Area 8.2432601620382E+16

Sphere

Radius = n
Volume 1.7803783735788E+25
Surface area 3.2973040648153E+17
Circumference 1017781225.3464

Square

Length = n
Perimeter 647939652
Area 26239112039617569
Diagonal 229081260.86443

Cube

Length = n
Surface area 157434672237705414
Volume 4.2503402809347E+24
Space diagonal 280566099.37562

Equilateral Triangle

Length = n
Perimeter 485954739
Area 1.1361868799527E+16
Altitude 140283049.68781

Triangular Pyramid

Length = n
Surface area 1.1361868799527E+16
Volume 5.0090740583321E+23
Height 76360420.288142