31009872 is an even 8-digits composite number following 31009871
and preceding 31009873 . In scientific notation, it is written as 3.1009872 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 10336608 positive integers (up to 31009872) that are relatively prime to 31009872.
31009872 has 20 divisors, whose sum is 80108960
The reverse of 31009872 is 27890013
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million nine thousand eight hundred seventy-two
Scientific notation
3.1009872 × 10^7
Engineering notation
3.1009872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 646039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3876234
Product of the distinct prime numbers
The prime factorization of 31009872 is 2 × 2 × 2 × 2 × 3 × 646039.
Since it has a total of 6 prime factors.
10 , 6 , 9 , 28 , 548 , 249 , 1489 , 4875 , 86119 , 90895 , 578403 , 956069 , 245986 , 7625769 , 69016261 , 42377091 , 609698995 , 384306610 , 2698636653 , 7452504281
n×2
62019744
n×3
93029616
n×4
124039488
n×5
155049360
n÷2
15504936
n÷3
10336624
n÷3
7752468
n÷5
6201974.4
n2
961612161456384
n3
2.9819470040406E+22
n4
9.2469794906082E+29
n5
2.8674765039039E+37
2 √n
5568.6508240327
3 √n
314.17140762459
4 √n
74.623393276054
5 √n
31.49923414483
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 646039 , 1292078 , 1938117 , 2584156 , 3876234 , 5168312 , 7752468 , 10336624 , 15504936 , 31009872
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
-31009871
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 31009872 can be divided by 20 positive divisors.
The sum of these divisors (counting 31009872) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110010010110001010000
3
Ternary
2011100110112210
4
Quaternary
1312102301100
5
Quinary
30414303442
6
Senary
3024352120
8
Octal
166226120
10
Decimal
31009872
12
Duodecimal
a475640
16
Hexadecimal
1d92c50
20
Vigesimal
9dg4dc
36
Base36
igndc
md5
34653f91a04580795dd064388f7b28bd
sha1
b45ad8cc216ad921a5d1096bebcc49effebee520
sha256
596fcacbe49ff11ec32040cd13243cb9bf46bd7d5f58ffbe4271930959668b59
sha512
c319c1526fc426cd25a59288af3c8fc7ba76b8044a5f391dce5d7e58f1afb6c9494a34d97b88fb8653988c8c60d2878e649f6a97c61f0f0f0ae95c5a66b4d37f
ripemd-160
1a0abc91e22857258fa51cb118b52eb324d23845
Diameter
62019744
Circumference
194840772.12792
Area
3.020993702034E+15
Volume
1.2490750401717E+23
Surface area
1.2083974808136E+16
Circumference
194840772.12792
Perimeter
124039488
Area
961612161456384
Diagonal
43854581.549854
Surface area
5769672968738304
Volume
2.9819470040406E+22
Space diagonal
53710673.840208
Perimeter
93029616
Area
4.1639028020465E+14
Altitude
26855336.920104
Surface area
4.1639028020465E+14
Volume
3.51425824616E+21
Height
14618193.849951