31381807 is an odd 8-digits prime number following 31381806
and preceding 31381808 . In scientific notation, it is written as 3.1381807 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 31381806 positive integers (up to 31381807) that are relatively prime to 31381807.
31381807 has 2 divisors, whose sum is 31381808
The reverse of 31381807 is 70818313
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million three hundred eighty-one thousand eight hundred seven
Scientific notation
3.1381807 × 10^7
Engineering notation
3.1381807 × 10^6
Prime Factorization
31381807
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31381807
Product of the distinct prime numbers
The prime factorization of 31381807 is 31381807.
Since it has a total of 1 prime factors.
2 , 2 , 84 , 37 , 778 , 918 , 9018 , 9747 , 35660 , 91650 , 409727 , 970229 , 7628768 , 1140327 , 39536160 , 48901280 , 416018385 , 34675415 , 2502706891 , 1661221841
n×2
62763614
n×3
94145421
n×4
125527228
n×5
156909035
n÷2
15690903.5
n÷3
10460602.333333
n÷3
7845451.75
n÷5
6276361.4
n2
984817810585249
n3
3.0905362461949E+22
n4
9.6986612004592E+29
n5
3.043615139512E+37
2 √n
5601.9467152053
3 √n
315.42248508639
4 √n
74.846153643359
5 √n
31.574435108582
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31381808
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15690904
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5601.94680446
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999362688
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31381807 can be divided by 2 positive divisors.
The sum of these divisors (counting 31381807) is 31381808, the average is 15690904.
Base
System
Value
2
Binary
1110111101101100100101111
3
Ternary
2012001100202011
4
Quaternary
1313231210233
5
Quinary
31013204212
6
Senary
3040342051
8
Octal
167554457
10
Decimal
31381807
12
Duodecimal
a614927
16
Hexadecimal
1ded92f
20
Vigesimal
9g2ea7
36
Base36
iomcv
md5
94f0366536f800a0ed15091d3bbf6d61
sha1
d47b35edda221dc127814ae7332fcd5f2404a99b
sha256
b81df12a0b1ee5eb816959a678f5937a5e213bbb1d7ba35b7850a12c4f428ffc
sha512
d355db80599a41337dcaa81669a2ae116b6cc8e78a830ce9e4184bd05323de33a2fe13b0a3b0574dd6feb4ff398800fc09629a3a050067a2720cb3e3fea7b8e3
ripemd-160
0dca198e7a4844b8718619ad8ac5a3d88004282a
Diameter
62763614
Circumference
197177708.65515
Area
3.093896398859E+15
Volume
1.2945607955598E+23
Surface area
1.2375585595436E+16
Circumference
197177708.65515
Perimeter
125527228
Area
984817810585249
Diagonal
44380577.071175
Surface area
5908906863511494
Volume
3.0905362461949E+22
Space diagonal
54354884.157321
Perimeter
94145421
Area
4.264386210331E+14
Altitude
27177442.07866
Surface area
4.264386210331E+14
Volume
3.642231895312E+21
Height
14793525.690392