31381837 is an odd 8-digits prime number following 31381836
and preceding 31381838 . In scientific notation, it is written as 3.1381837 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 31381836 positive integers (up to 31381837) that are relatively prime to 31381837.
31381837 has 2 divisors, whose sum is 31381838
The reverse of 31381837 is 73818313
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
thirty-one million three hundred eighty-one thousand eight hundred thirty-seven
Scientific notation
3.1381837 × 10^7
Engineering notation
3.1381837 × 10^6
Prime Factorization
31381837
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31381837 Product of the distinct prime numbers
The prime factorization of 31381837 is 31381837.
Since it has a total of 1 prime factors.
5 , 6 , 79 , 89 , 634 , 535 , 8630 , 8900 , 11937 , 9486 , 458348 , 110577 , 4443173 , 1205867 , 63619041 , 16345365 , 548183220 , 222663035 , 5246350737 , 7093134228
n×2
62763674
n×3
94145511
n×4
125527348
n×5
156909185
n÷2
15690918.5
n÷3
10460612.333333
n÷3
7845459.25
n÷5
6276367.4
n2
984819693494569
n3
3.0905451095637E+22
n4
9.6986982869474E+29
n5
3.0436296875316E+37
2 √n5601.9493928453
3 √n315.42258559762
4 √n74.846171530983
5 √n31.574441145409
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31381838 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15690919 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5601.9494821 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999362689 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31381837 can be divided by 2 positive divisors.
The sum of these divisors (counting 31381837) is 31381838, the average is 15690919.
Base
System
Value
2
Binary
1110111101101100101001101
3
Ternary
2012001100210021
4
Quaternary
1313231211031
5
Quinary
31013204322
6
Senary
3040342141
8
Octal
167554515
10
Decimal
31381837
12
Duodecimal
a614951
16
Hexadecimal
1ded94d
20
Vigesimal
9g2ebh
36
Base36
iomdp
md5
58a72eb0f9cd26f10a72cb2d1eccb649
sha1
2c7ba47464bf8a2134a256eb55bdad808cd0a705
sha256
20ac8d9aa9a0597c7b2119cf66133799679908026af2cc5070f5025dc7b4fd77
sha512
e9b2827cf719f9014bf64adae76906d34c728aca24fb0281c47b14a7dc4c8c4bd361423edeb334bd4054fb8027b95a718ce2fe3a0978c7909966b34d9d326ef6
ripemd-160
0265c74c41401749f63ecc8b11da9fb9fc592395
Diameter
62763674
Circumference
197177897.1507
Area
3.0939023141931E+15
Volume
1.2945645082391E+23
Surface area
1.2375609256772E+16
Circumference
197177897.1507
Perimeter
125527348
Area
984819693494569
Diagonal
44380619.497582
Surface area
5908918160967414
Volume
3.0905451095637E+22
Space diagonal
54354936.118845
Perimeter
94145511
Area
4.2643943635675E+14
Altitude
27177468.059422
Surface area
4.2643943635675E+14
Volume
3.6422423408923E+21
Height
14793539.832527