31307872 is an even 8-digits composite number following 31307871
and preceding 31307873 . In scientific notation, it is written as 3.1307872 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors.
There are 15611904 positive integers (up to 31307872) that are relatively prime to 31307872.
31307872 has 24 divisors, whose sum is 61803000
The reverse of 31307872 is 27870313
Previous prime number is 2179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million three hundred seven thousand eight hundred seventy-two
Scientific notation
3.1307872 × 10^7
Engineering notation
3.1307872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2179 × 449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1956742
Product of the distinct prime numbers
The prime factorization of 31307872 is 2 × 2 × 2 × 2 × 2 × 2179 × 449.
Since it has a total of 7 prime factors.
2 , 5 , 36 , 35 , 502 , 563 , 7773 , 1211 , 44692 , 91323 , 298349 , 458041 , 6057317 , 5853748 , 44041668 , 92230605 , 774504468 , 457260488 , 1905590273 , 5911006105
n×2
62615744
n×3
93923616
n×4
125231488
n×5
156539360
n÷2
15653936
n÷3
10435957.333333
n÷3
7826968
n÷5
6261574.4
n2
980182849168384
n3
3.0687439178359E+22
n4
9.6075841780385E+29
n5
3.0079301567525E+37
2 √n
5595.3437785359
3 √n
315.17458030638
4 √n
74.802030577624
5 √n
31.55954330232
1 , 2 , 4 , 8 , 16 , 32 , 449 , 898 , 1796 , 2179 , 3592 , 4358 , 7184 , 8716 , 14368 , 17432 , 34864 , 69728 , 978371 , 1956742 , 3913484 , 7826968 , 15653936 , 31307872
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31307871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31307872 can be divided by 24 positive divisors.
The sum of these divisors (counting 31307872) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111011011100001100000
3
Ternary
2011220121022211
4
Quaternary
1313123201200
5
Quinary
31003322442
6
Senary
3035011504
8
Octal
167334140
10
Decimal
31307872
12
Duodecimal
a599b94
16
Hexadecimal
1ddb860
20
Vigesimal
9fd9dc
36
Base36
in1b4
md5
314a3884ac0f3222c3293b9cd3cbecaa
sha1
a9f8f1feb91a11bcba91a446527db0a7e3c80968
sha256
9dbd2a0ad159f9256fd254028fe861572c423cb09536a7024baa2a4b35bbbadc
sha512
452e08b8c5cbbec5e1cb7fe32cf32a8d53cfaee03a7becb80163a466ff0794efd88bb89add32b37cd56337ce397e7dcf0bdf40b7da97133cd0b4163101be7fa6
ripemd-160
0ccbc4bf7e5a4d8ddba7ee14ada306816b61993e
Diameter
62615744
Circumference
196713161.34946
Area
3.0793352381221E+15
Volume
1.2854324464029E+23
Surface area
1.2317340952488E+16
Circumference
196713161.34946
Perimeter
125231488
Area
980182849168384
Diagonal
44276017.191441
Surface area
5881097095010304
Volume
3.0687439178359E+22
Space diagonal
54226824.980863
Perimeter
93923616
Area
4.2443162386682E+14
Altitude
27113412.490432
Surface area
4.2443162386682E+14
Volume
3.6165493900446E+21
Height
14758672.397147