161984911 (number)

161984911 is an odd 9-digits composite number following 161984910 and preceding 161984912. In scientific notation, it is written as 1.61984911 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 144900000 positive integers (up to 161984911) that are relatively prime to 161984911.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61984911 × 10^8
Engineering notation 1.61984911 × 10^6

Prime Factorization of 161984911

Prime Factorization 11 × 101 × 211 × 691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161984911
Product of the distinct prime numbers

The prime factorization of 161984911 is 11 × 101 × 211 × 691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161984911)

Multiplication

n×y
n×2 323969822
n×3 485954733
n×4 647939644
n×5 809924555

Division

n÷y
n÷2 80992455.5
n÷3 53994970.333333
n÷3 40496227.75
n÷5 32396982.2

Exponentiation

ny
n2 26239111391677921
n3 4.2503401235E+24
n4 6.8849096662488E+32
n5 1.1152514795304E+41

Nth Root

y√n
2√n 12727.329295654
3√n 545.119252304
4√n 112.81546567583
5√n 43.842459788351

Divisors of 161984911

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 -161984910
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 161984911 can be divided by 16 positive divisors. The sum of these divisors (counting 161984911) is 1, the average is 0.0625.

Base conversion 161984911

Base System Value
2 Binary 1001101001111011000110001111
3 Ternary 102021210200112011
4 Quaternary 21221323012033
5 Quinary 312432004121
6 Senary 24023522051
8 Octal 1151730617
10 Decimal 161984911
12 Duodecimal 462b9327
16 Hexadecimal 9a7b18f
20 Vigesimal 2ac825b
36 Base36 2ofwcv

Cryptographic Hash Functions

md5 6242bc8799d1ca854413fffa143cc7f0
sha1 c9650fbb8e3169408e0bb087dac644785bbf8bd6
sha256 011cc55285474a8a73ee080d04b2ad1e811c201be20e8a787774be3d702a2dd6
sha512 02f6a84def34ffd6f4191f43d68dc4656247d31ccec8de9d91412cfd7489548b4f21972b2efdadc9651126d1f03f193f4bca71b0b3c5e5c647898651507ebc5f
ripemd-160 7a185d1a12080d5213f9e8b52ee65fd561dcec07

161984911 as geometric shapes

Circle

Radius = n
Diameter 323969822
Circumference 1017781212.78
Area 8.243259958482E+16

Sphere

Radius = n
Volume 1.7803783076328E+25
Surface area 3.2973039833928E+17
Circumference 1017781212.78

Square

Length = n
Perimeter 647939644
Area 26239111391677921
Diagonal 229081258.036

Cube

Length = n
Surface area 157434668350067526
Volume 4.2503401235E+24
Space diagonal 280566095.91152

Equilateral Triangle

Length = n
Perimeter 485954733
Area 1.1361868518961E+16
Altitude 140283047.95576

Triangular Pyramid

Length = n
Surface area 1.1361868518961E+16
Volume 5.0090738727936E+23
Height 76360419.345333