16431381 (number)

16431381 is an odd 8-digits composite number following 16431380 and preceding 16431382. In scientific notation, it is written as 1.6431381 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10938024 positive integers (up to 16431381) that are relatively prime to 16431381.

Interesting facts

Basic properties

Name

Name sixteen million four hundred thirty-one thousand three hundred eighty-one

Notation

Scientific notation 1.6431381 × 10^7
Engineering notation 1.6431381 × 10^6

Prime Factorization of 16431381

Prime Factorization 3 × 3 × 1423 × 1283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5477127
Product of the distinct prime numbers

The prime factorization of 16431381 is 3 × 3 × 1423 × 1283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 18, 24, 623, 999, 7521, 9939, 65401, 79748, 364867, 261019, 5955924, 6979881, 35795991, 14772336, 169840920, 39405354, 2692432472, 6610142639

Basic calculations (n = 16431381)

Multiplication

n×y
n×2 32862762
n×3 49294143
n×4 65725524
n×5 82156905

Division

n÷y
n÷2 8215690.5
n÷3 5477127
n÷3 4107845.25
n÷5 3286276.2

Exponentiation

ny
n2 269990281567161
n3 4.4363131827273E+21
n4 7.2894752140715E+28
n5 1.1977614453247E+36

Nth Root

y√n
2√n 4053.5639874066
3√n 254.2287655247
4√n 63.66760547882
5√n 27.741811290327

Divisors of 16431381

1, 3, 9, 1283, 1423, 3849, 4269, 11547, 12807, 1825709, 5477127, 16431381

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16431380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16431381 can be divided by 12 positive divisors. The sum of these divisors (counting 16431381) is 1, the average is 0.083333333333333.

Base conversion 16431381

Base System Value
2 Binary 111110101011100100010101
3 Ternary 1010220210121200
4 Quaternary 332223210111
5 Quinary 13201301011
6 Senary 1344103113
8 Octal 76534425
10 Decimal 16431381
12 Duodecimal 5604a99
16 Hexadecimal fab915
20 Vigesimal 52di91
36 Base36 9s6j9

Cryptographic Hash Functions

md5 5973957d2b760f39895ac9a132c01d30
sha1 8bf22cff767a0a2569068a762cfa97caf58830e7
sha256 cd0e6bf8b7c934ed5d9f2d1f4b93ee84c98fd9c1eff161763f8bb4bb93648e67
sha512 0e973edefbc940ce6d8aedebb019761be6f362356a22cc22c569ebf4fa4f2aad335f4e1093f9dbda7a6efcc76ff604b6eec9da77244a0d5177b487d1b61c5da0
ripemd-160 083727b360ff9ba7758fb0cc11df3a4b9fb0623e

16431381 as geometric shapes

Circle

Radius = n
Diameter 32862762
Circumference 103241411.67587
Area 8.4819948511203E+14

Sphere

Radius = n
Volume 1.8582785205173E+22
Surface area 3.3927979404481E+15
Circumference 103241411.67587

Square

Length = n
Perimeter 65725524
Area 269990281567161
Diagonal 23237481.85872

Cube

Length = n
Surface area 1619941689402966
Volume 4.4363131827273E+21
Space diagonal 28459986.730522

Equilateral Triangle

Length = n
Perimeter 49294143
Area 1.1690922130604E+14
Altitude 14229993.365261

Triangular Pyramid

Length = n
Surface area 1.1690922130604E+14
Volume 5.2282452249562E+20
Height 7745827.2862399