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.
127905921 has 32 divisors, whose sum is 161280000
The reverse of 127905921 is 129509721
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-seven million nine hundred five thousand nine hundred twenty-one
Scientific notation
1.27905921 × 10^8
Engineering notation
1.27905921 × 10^6
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.
4 , 1 , 52 , 15 , 983 , 240 , 1815 , 7015 , 94686 , 90050 , 291169 , 302822 , 1011682 , 1895875 , 80029476 , 8743858 , 59326790 , 591551434 , 6974105616 , 1275042259
n×2
255811842
n×3
383717763
n×4
511623684
n×5
639529605
n÷2
63952960.5
n÷3
42635307
n÷3
31976480.25
n÷5
25581184.2
n2
16359924626858241
n3
2.0925312268889E+24
n4
2.6764713379648E+32
n5
3.4233653151249E+40
2 √n
11309.549991047
3 √n
503.84491874506
4 √n
106.34636802001
5 √n
41.819432000057
1 , 9 , 13 , 23 , 117 , 149 , 207 , 299 , 319 , 1341 , 1937 , 2691 , 2871 , 3427 , 4147 , 7337 , 17433 , 30843 , 37323 , 44551 , 47531 , 66033 , 95381 , 400959 , 427779 , 617903 , 858429 , 1093213 , 5561127 , 9838917 , 14211769 , 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
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
md5
92661412f36f7dc4de3eca566cc72fd7
sha1
12412a9456e09b782b47d95d491874823d62222a
sha256
687b6279a38c95eca96b78593ef7b1269fb15c3723993ee08e3856d4b1e10e59
sha512
7f4ac3c997fb44a75b77045c04d1ebe8a900a114dd1f707d8ebea733eb652496320efd93d6ea26afe62c80aaf6359262a7d59273c6662356e946b4da0a2c764c
ripemd-160
e13c3cd8760e41d6cd406a0a1833395f84545cc2
Diameter
255811842
Circumference
803656603.52847
Area
5.1396219021021E+16
Volume
8.7651743064018E+24
Surface area
2.0558487608408E+17
Circumference
803656603.52847
Perimeter
511623684
Area
16359924626858241
Diagonal
180886288.18602
Surface area
98159547761149446
Volume
2.0925312268889E+24
Space diagonal
221539553.76089
Perimeter
383717763
Area
7.0840551654289E+15
Altitude
110769776.88045
Surface area
7.0840551654289E+15
Volume
2.4660717006296E+23
Height
60295429.395341