127905921 (number)

127905921 is an odd 9-digits composite number following 127905920 and preceding 127905922. In scientific notation, it is written as 1.27905921 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 65640960 positive integers (up to 127905921) that are relatively prime to 127905921.

Interesting facts

Basic properties

Name

Name one hundred twenty-seven million nine hundred five thousand nine hundred twenty-one

Notation

Scientific notation 1.27905921 × 10^8
Engineering notation 1.27905921 × 10^6

Prime Factorization of 127905921

Prime Factorization 319 × 9 × 13 × 23 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 127905921
Product of the distinct prime numbers

The prime factorization of 127905921 is 319 × 9 × 13 × 23 × 149. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 127905921)

Multiplication

n×y
n×2 255811842
n×3 383717763
n×4 511623684
n×5 639529605

Division

n÷y
n÷2 63952960.5
n÷3 42635307
n÷3 31976480.25
n÷5 25581184.2

Exponentiation

ny
n2 16359924626858241
n3 2.0925312268889E+24
n4 2.6764713379648E+32
n5 3.4233653151249E+40

Nth Root

y√n
2√n 11309.549991047
3√n 503.84491874506
4√n 106.34636802001
5√n 41.819432000057

Divisors of 127905921

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -127905920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 127905921 can be divided by 32 positive divisors. The sum of these divisors (counting 127905921) is 1, the average is 0.03125.

Base conversion 127905921

Base System Value
2 Binary 111100111111011000010000001
3 Ternary 22220200021221100
4 Quaternary 13213323002001
5 Quinary 230220442141
6 Senary 20405245013
8 Octal 747730201
10 Decimal 127905921
12 Duodecimal 36a03769
16 Hexadecimal 79fb081
20 Vigesimal 1jj84g1
36 Base36 245gu9

Cryptographic Hash Functions

md5 92661412f36f7dc4de3eca566cc72fd7
sha1 12412a9456e09b782b47d95d491874823d62222a
sha256 687b6279a38c95eca96b78593ef7b1269fb15c3723993ee08e3856d4b1e10e59
sha512 7f4ac3c997fb44a75b77045c04d1ebe8a900a114dd1f707d8ebea733eb652496320efd93d6ea26afe62c80aaf6359262a7d59273c6662356e946b4da0a2c764c
ripemd-160 e13c3cd8760e41d6cd406a0a1833395f84545cc2

127905921 as geometric shapes

Circle

Radius = n
Diameter 255811842
Circumference 803656603.52847
Area 5.1396219021021E+16

Sphere

Radius = n
Volume 8.7651743064018E+24
Surface area 2.0558487608408E+17
Circumference 803656603.52847

Square

Length = n
Perimeter 511623684
Area 16359924626858241
Diagonal 180886288.18602

Cube

Length = n
Surface area 98159547761149446
Volume 2.0925312268889E+24
Space diagonal 221539553.76089

Equilateral Triangle

Length = n
Perimeter 383717763
Area 7.0840551654289E+15
Altitude 110769776.88045

Triangular Pyramid

Length = n
Surface area 7.0840551654289E+15
Volume 2.4660717006296E+23
Height 60295429.395341