105280987 (number)

105280987 is an odd 9-digits composite number following 105280986 and preceding 105280988. In scientific notation, it is written as 1.05280987 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 87383808 positive integers (up to 105280987) that are relatively prime to 105280987.

Interesting facts

Basic properties

Name

Name one hundred five million two hundred eighty thousand nine hundred eighty-seven

Notation

Scientific notation 1.05280987 × 10^8
Engineering notation 1.05280987 × 10^6

Prime Factorization of 105280987

Prime Factorization 7 × 97 × 47 × 3299

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 105280987
Product of the distinct prime numbers

The prime factorization of 105280987 is 7 × 97 × 47 × 3299. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 105280987)

Multiplication

n×y
n×2 210561974
n×3 315842961
n×4 421123948
n×5 526404935

Division

n÷y
n÷2 52640493.5
n÷3 35093662.333333
n÷3 26320246.75
n÷5 21056197.4

Exponentiation

ny
n2 11084086223694169
n3 1.1669435376236E+24
n4 1.2285696741429E+32
n5 1.2934502789203E+40

Nth Root

y√n
2√n 10260.652367174
3√n 472.18985198693
4√n 101.29487828698
5√n 40.2225860584

Divisors of 105280987

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 -105280986
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 105280987 can be divided by 16 positive divisors. The sum of these divisors (counting 105280987) is 1, the average is 0.0625.

Base conversion 105280987

Base System Value
2 Binary 110010001100111010111011011
3 Ternary 21100002211100211
4 Quaternary 12101213113123
5 Quinary 203422442422
6 Senary 14240311551
8 Octal 621472733
10 Decimal 105280987
12 Duodecimal 2b3125b7
16 Hexadecimal 64675db
20 Vigesimal 1ci0297
36 Base36 1qojbv

Cryptographic Hash Functions

md5 04a859933dce05d3e43e5bc7274ac910
sha1 394114ae59a5ac576c3ba93e73569a1957a06bc0
sha256 354818235d12489e08cf08d6a9cc7593f4f355d86c2ea76af7b9252242936eed
sha512 d3b147ce769b2283e2127c704773d3ffcd4f18bd1d1710f6dac3a69e1dc48f9227e13a04f28c10c716c7988af1241bfc3fad69496915d3bfe290e2008810185d
ripemd-160 ae13992731aaf591496abbee974364051d82e34f

105280987 as geometric shapes

Circle

Radius = n
Diameter 210561974
Circumference 661499950.64376
Area 3.4821683852113E+16

Sphere

Radius = n
Volume 4.8880816599366E+24
Surface area 1.3928673540845E+17
Circumference 661499950.64376

Square

Length = n
Perimeter 421123948
Area 11084086223694169
Diagonal 148889799.67543

Cube

Length = n
Surface area 66504517342165014
Volume 1.1669435376236E+24
Space diagonal 182352018.555

Equilateral Triangle

Length = n
Perimeter 315842961
Area 4.7995501237281E+15
Altitude 91176009.277499

Triangular Pyramid

Length = n
Surface area 4.7995501237281E+15
Volume 1.3752561478591E+23
Height 49629933.225142