31305280 is an even 8-digits composite number following 31305279
and preceding 31305281 . In scientific notation, it is written as 3.1305280 × 10^7.
The sum of its digits is 22. It has a total of 8 prime factors and 28 positive divisors.
There are 12521984 positive integers (up to 31305280) that are relatively prime to 31305280.
31305280 has 28 divisors, whose sum is 74546460
The reverse of 31305280 is 08250313
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
thirty-one million three hundred five thousand two hundred eighty
Scientific notation
3.1305280 × 10^7
Engineering notation
3.1305280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 97829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
978290
Product of the distinct prime numbers
The prime factorization of 31305280 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 97829.
Since it has a total of 8 prime factors.
10 , 9 , 95 , 51 , 947 , 964 , 7536 , 953 , 16894 , 24815 , 235759 , 396936 , 7564059 , 90925 , 2257142 , 61149209 , 814347633 , 58593348 , 1454337481 , 8682507457
n×2
62610560
n×3
93915840
n×4
125221120
n×5
156526400
n÷2
15652640
n÷3
10435093.333333
n÷3
7826320
n÷5
6261056
n2
980020555878400
n3
3.0679817907529E+22
n4
9.6044028994421E+29
n5
3.0066852199985E+37
2 √n
5595.1121525846
3 √n
315.1658822271
4 √n
74.800482301818
5 √n
31.559020717807
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 97829 , 195658 , 391316 , 489145 , 782632 , 978290 , 1565264 , 1956580 , 3130528 , 3913160 , 6261056 , 7826320 , 15652640 , 31305280
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31305279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31305280 can be divided by 28 positive divisors.
The sum of these divisors (counting 31305280) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1110111011010111001000000
3
Ternary
2011220110202211
4
Quaternary
1313122321000
5
Quinary
31003232110
6
Senary
3034551504
8
Octal
167327100
10
Decimal
31305280
12
Duodecimal
a598594
16
Hexadecimal
1ddae40
20
Vigesimal
9fd340
36
Base36
imzb4
md5
26e2527840bf63307ab31be5ed336e51
sha1
0be2b0c609746e2fc48da1692e1c14a2fe1efd95
sha256
e3471a5bc8ffceb3e1274faa76c38dfa3f641bf4e9b3de5d39ec4c3508215b00
sha512
1303d250ea954d00646dbc515f3adc53e3ac6013a2a703a4d9b78ce028b67390295ff0857ca9cddb62b394b57ef1690f2b8e0ed5f76e77f34549c5f492d65adc
ripemd-160
40aa7ac537974b21efffc2cedef3719a056a5a41
Diameter
62610560
Circumference
196696875.33314
Area
3.0788253787146E+15
Volume
1.2851132073569E+23
Surface area
1.2315301514858E+16
Circumference
196696875.33314
Perimeter
125221120
Area
980020555878400
Diagonal
44272351.549887
Surface area
5880123335270400
Volume
3.0679817907529E+22
Space diagonal
54222335.50517
Perimeter
93915840
Area
4.2436134881082E+14
Altitude
27111167.752585
Surface area
4.2436134881082E+14
Volume
3.6156512146637E+21
Height
14757450.516629