31021904 is an even 8-digits composite number following 31021903
and preceding 31021905 . In scientific notation, it is written as 3.1021904 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors.
There are 15485952 positive integers (up to 31021904) that are relatively prime to 31021904.
31021904 has 20 divisors, whose sum is 60201876
The reverse of 31021904 is 40912013
Previous prime number is 2273
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirty-one million twenty-one thousand nine hundred four
Scientific notation
3.1021904 × 10^7
Engineering notation
3.1021904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2273 × 853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3877738
Product of the distinct prime numbers
The prime factorization of 31021904 is 2 × 2 × 2 × 2 × 2273 × 853.
Since it has a total of 6 prime factors.
2 , 7 , 62 , 53 , 762 , 931 , 7414 , 8004 , 40104 , 47242 , 11897 , 270981 , 8653743 , 1363733 , 60043938 , 70488601 , 165137119 , 275772454 , 2147104366 , 2787976512
n×2
62043808
n×3
93065712
n×4
124087616
n×5
155109520
n÷2
15510952
n÷3
10340634.666667
n÷3
7755476
n÷5
6204380.8
n2
962358527785216
n3
2.9854193862534E+22
n4
9.2613393600093E+29
n5
2.8730438053763E+37
2 √n
5569.7310527529
3 √n
314.21203577876
4 √n
74.630630794285
5 √n
31.501678140584
1 , 2 , 4 , 8 , 16 , 853 , 1706 , 2273 , 3412 , 4546 , 6824 , 9092 , 13648 , 18184 , 36368 , 1938869 , 3877738 , 7755476 , 15510952 , 31021904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31021903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31021904 can be divided by 20 positive divisors.
The sum of these divisors (counting 31021904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110010101101101010000
3
Ternary
2011101002001102
4
Quaternary
1312111231100
5
Quinary
30420200104
6
Senary
3024523532
8
Octal
166255520
10
Decimal
31021904
12
Duodecimal
a4805a8
16
Hexadecimal
1d95b50
20
Vigesimal
9dhef4
36
Base36
igwnk
md5
af3543646302c978eebfc110a68aca95
sha1
d006f23229af0d401100b1b7ada4d6ec832d1c23
sha256
36c38f8a6fae3e36dec2da7304fee3afbecdda510d8c690b7501ba82f2f7ec48
sha512
5d30bd763c005c77070605fda832e784fc03d74e47239fa45e1a452e0137fef30b42d9c3bb5b5d698da22d0b04ab5250b50bebcd0da80489930f923e2c8ecbfb
ripemd-160
a839253ae7cdffe29e487040e45c12d21ad0d84c
Diameter
62043808
Circumference
194916371.41354
Area
3.0233384810095E+15
Volume
1.2505295482318E+23
Surface area
1.2093353924038E+16
Circumference
194916371.41354
Perimeter
124087616
Area
962358527785216
Diagonal
43871597.367436
Surface area
5774151166711296
Volume
2.9854193862534E+22
Space diagonal
53731513.875524
Perimeter
93065712
Area
4.1671346630529E+14
Altitude
26865756.937762
Surface area
4.1671346630529E+14
Volume
3.5183504878426E+21
Height
14623865.789145