31001385 is an odd 8-digits composite number following 31001384
and preceding 31001386 . In scientific notation, it is written as 3.1001385 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 16534064 positive integers (up to 31001385) that are relatively prime to 31001385.
31001385 has 8 divisors, whose sum is 49602240
The reverse of 31001385 is 58310013
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirty-one million one thousand three hundred eighty-five
Scientific notation
3.1001385 × 10^7
Engineering notation
3.1001385 × 10^6
Prime Factorization
3 × 5 × 2066759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31001385
Product of the distinct prime numbers
The prime factorization of 31001385 is 3 × 5 × 2066759.
Since it has a total of 3 prime factors.
2 , 3 , 84 , 53 , 50 , 866 , 6436 , 2305 , 98644 , 84528 , 310715 , 376025 , 515638 , 213895 , 52454380 , 64947694 , 935682234 , 245978229 , 5193864712 , 3853596948
n×2
62002770
n×3
93004155
n×4
124005540
n×5
155006925
n÷2
15500692.5
n÷3
10333795
n÷3
7750346.25
n÷5
6200277
n2
961085871918225
n3
2.9794993133398E+22
n4
9.2368605320081E+29
n5
2.8635546954409E+37
2 √n
5567.8887381125
3 √n
314.14274346216
4 √n
74.618286888085
5 √n
31.497509769629
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31001384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31001385 can be divided by 8 positive divisors.
The sum of these divisors (counting 31001385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010000101100101001
3
Ternary
2011100000220110
4
Quaternary
1312100230221
5
Quinary
30414021020
6
Senary
3024244533
8
Octal
166205451
10
Decimal
31001385
12
Duodecimal
a470749
16
Hexadecimal
1d90b29
20
Vigesimal
9df395
36
Base36
iggtl
md5
b16469bbf73e72bf9acd3f4651ed0804
sha1
f2e1ac2a8e7b3ba0589bd2ec8b1ce73012e79d1a
sha256
41bca19a740770c4e2ff68bc33bb2cd54ddd149de1fc625a94acb976fe310570
sha512
44442bb240c6f7d7cc9aaea119ed438630bf91a23c504596bd5228e2c24cef754a60f9250aa68d4c91828d5e3244b6ad449c0636264ee5ebdef51469368733d2
ripemd-160
97906d7bd5533f095610bbce3b2b38d2837ff1c8
Diameter
62002770
Circumference
194787446.73422
Area
3.0193403146872E+15
Volume
1.2480497538885E+23
Surface area
1.2077361258749E+16
Circumference
194787446.73422
Perimeter
124005540
Area
961085871918225
Diagonal
43842579.11935
Surface area
5766515231509350
Volume
2.9794993133398E+22
Space diagonal
53695973.925004
Perimeter
93004155
Area
4.1616239014975E+14
Altitude
26847986.962502
Surface area
4.1616239014975E+14
Volume
3.5113736150053E+21
Height
14614193.039783