31139940 is an even 8-digits composite number following 31139939
and preceding 31139941 . In scientific notation, it is written as 3.1139940 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7368192 positive integers (up to 31139940) that are relatively prime to 31139940.
31139940 has 24 divisors, whose sum is 58837632
The reverse of 31139940 is 04993113
Previous prime number is 6253
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million one hundred thirty-nine thousand nine hundred forty
Scientific notation
3.1139940 × 10^7
Engineering notation
3.1139940 × 10^6
Prime Factorization
2 × 2 × 15 × 6253 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15569970
Product of the distinct prime numbers
The prime factorization of 31139940 is 2 × 2 × 15 × 6253 × 83.
Since it has a total of 5 prime factors.
8 , 1 , 86 , 36 , 984 , 557 , 1644 , 9218 , 11152 , 1336 , 715639 , 434636 , 3154751 , 479508 , 14079127 , 83954025 , 984248144 , 452455112 , 2699439086 , 7906124589
n×2
62279880
n×3
93419820
n×4
124559760
n×5
155699700
n÷2
15569970
n÷3
10379980
n÷3
7784985
n÷5
6227988
n2
969695863203600
n3
3.0196270998408E+22
n4
9.4031006711417E+29
n5
2.9281199071331E+37
2 √n
5580.3171952856
3 √n
314.61004908364
4 √n
74.701520702631
5 √n
31.525614039407
1 , 2 , 4 , 15 , 30 , 60 , 83 , 166 , 332 , 1245 , 2490 , 4980 , 6253 , 12506 , 25012 , 93795 , 187590 , 375180 , 518999 , 1037998 , 2075996 , 7784985 , 15569970 , 31139940
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
-31139939
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 31139940 can be divided by 24 positive divisors.
The sum of these divisors (counting 31139940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110110010100001100100
3
Ternary
2011121001222010
4
Quaternary
1312302201210
5
Quinary
30432434230
6
Senary
3031234220
8
Octal
166624144
10
Decimal
31139940
12
Duodecimal
a518970
16
Hexadecimal
1db2864
20
Vigesimal
9ec9h0
36
Base36
ijfqc
md5
abcd73c276e7dc212837280efb13b05d
sha1
6e3e11f780d53c549a02cf570ec98f13fbd162a4
sha256
d385611e1357a220be1d7926d327082f588efca6b42dfee8c283b08b3ca7a23e
sha512
b2b235282879e8196c1c7dde494216e7b3919952c4eb0920a14f57c317c70218cc467cf914f2b7958fd50da520cfccee9a98279dd89f1be58028ded580920147
ripemd-160
3e7bbb536d60022e63b4ed8e8544a1b18f22a6d8
Diameter
62279880
Circumference
195658013.47445
Area
3.0463894000568E+15
Volume
1.2648584417921E+23
Surface area
1.2185557600227E+16
Circumference
195658013.47445
Perimeter
124559760
Area
969695863203600
Diagonal
44038525.479484
Surface area
5818175179221600
Volume
3.0196270998408E+22
Space diagonal
53935958.224646
Perimeter
93419820
Area
4.198906257395E+14
Altitude
26967979.112323
Surface area
4.198906257395E+14
Volume
3.5586646649202E+21
Height
14679508.493161