31001213 is an odd 8-digits composite number following 31001212
and preceding 31001214 . In scientific notation, it is written as 3.1001213 × 10^7.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 30987648 positive integers (up to 31001213) that are relatively prime to 31001213.
31001213 has 4 divisors, whose sum is 31014780
The reverse of 31001213 is 31210013
Previous prime number is 2909
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
thirty-one million one thousand two hundred thirteen
Scientific notation
3.1001213 × 10^7
Engineering notation
3.1001213 × 10^6
Prime Factorization
2909 × 10657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31001213
Product of the distinct prime numbers
The prime factorization of 31001213 is 2909 × 10657.
Since it has a total of 2 prime factors.
7 , 7 , 17 , 30 , 592 , 137 , 6046 , 3130 , 41781 , 74320 , 600058 , 146166 , 9228757 , 9137814 , 65301460 , 98701338 , 405437726 , 544599057 , 4490530151 , 353550501
n×2
62002426
n×3
93003639
n×4
124004852
n×5
155006065
n÷2
15500606.5
n÷3
10333737.666667
n÷3
7750303.25
n÷5
6200242.6
n2
961075207471369
n3
2.9794497215839E+22
n4
9.2366555441613E+29
n5
2.8634752593218E+37
2 √n
5567.8732923801
3 √n
314.14216249186
4 √n
74.618183389708
5 √n
31.497474819037
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31001212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31001213 can be divided by 4 positive divisors.
The sum of these divisors (counting 31001213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110010000101001111101
3
Ternary
2011100000200002
4
Quaternary
1312100221331
5
Quinary
30414014323
6
Senary
3024244045
8
Octal
166205175
10
Decimal
31001213
12
Duodecimal
a470625
16
Hexadecimal
1d90a7d
20
Vigesimal
9df30d
36
Base36
iggot
md5
64cd8d2e37c1bc46f875b65e20c8e046
sha1
5824148e2f1216c24852ce87490398121081b6ec
sha256
909f67e33a73a560f8d65f051f49b4585666027975f2122f136cf3f6bc421915
sha512
012ae1795bee321cee09029ab6e6cf7e9bf70a54fa28b797fc6da04bce4a92501f88f785e02014dc50c036c591da1f92e4597effec5be234995494df0c76d55c
ripemd-160
2dbb51b0389d6745cf5cb71ce48c9c4a39568820
Diameter
62002426
Circumference
194786366.02634
Area
3.0193068113393E+15
Volume
1.2480289809424E+23
Surface area
1.2077227245357E+16
Circumference
194786366.02634
Perimeter
124004852
Area
961075207471369
Diagonal
43842335.874617
Surface area
5766451244828214
Volume
2.9794497215839E+22
Space diagonal
53695676.012265
Perimeter
93003639
Area
4.161577723088E+14
Altitude
26847838.006132
Surface area
4.161577723088E+14
Volume
3.5113151705606E+21
Height
14614111.958206