31361387 is an odd 8-digits prime number following 31361386
and preceding 31361388 . In scientific notation, it is written as 3.1361387 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 31361386 positive integers (up to 31361387) that are relatively prime to 31361387.
31361387 has 2 divisors, whose sum is 31361388
The reverse of 31361387 is 78316313
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million three hundred sixty-one thousand three hundred eighty-seven
Scientific notation
3.1361387 × 10^7
Engineering notation
3.1361387 × 10^6
Prime Factorization
31361387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31361387
Product of the distinct prime numbers
The prime factorization of 31361387 is 31361387.
Since it has a total of 1 prime factors.
10 , 5 , 41 , 58 , 849 , 54 , 1528 , 4376 , 52494 , 14603 , 552726 , 360851 , 7110734 , 7037376 , 70085145 , 65108623 , 146655490 , 452836434 , 3575073121 , 2762898858
n×2
62722774
n×3
94084161
n×4
125445548
n×5
156806935
n÷2
15680693.5
n÷3
10453795.666667
n÷3
7840346.75
n÷5
6272277.4
n2
983536594563769
n3
3.0845071770776E+22
n4
9.673442328461E+29
n5
3.0337256848505E+37
2 √n
5600.1238379164
3 √n
315.35405558011
4 √n
74.833975157788
5 √n
31.570324970216
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31361388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15680694
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5600.1239272002
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999362273
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31361387 can be divided by 2 positive divisors.
The sum of these divisors (counting 31361387) is 31361388, the average is 15680694.
Base
System
Value
2
Binary
1110111101000100101101011
3
Ternary
2012000022201212
4
Quaternary
1313220211223
5
Quinary
31012031022
6
Senary
3040103335
8
Octal
167504553
10
Decimal
31361387
12
Duodecimal
a604b4b
16
Hexadecimal
1de896b
20
Vigesimal
9g0397
36
Base36
io6ln
md5
f48da72e4f9826a96a1bc3e14bc4850b
sha1
24601a6472f0442ebeb0470b5916c0ffe0782c52
sha256
507400e71da1d15a42c7d65b0a4f6f35e11605f7fb217b51a5152abac0a7d602
sha512
98433e8fcc985eff21c6e3bb70acf05af20d2eaf650506b067a154ed66202a3213d263165d03da3f69d1b9b9ff8c6b55d07f623f254fd603597792906f6d8e53
ripemd-160
c5e96213bd77b06864828b2f609e2465ca0e72bb
Diameter
62722774
Circumference
197049406.01117
Area
3.0898713400183E+15
Volume
1.2920353449936E+23
Surface area
1.2359485360073E+16
Circumference
197049406.01117
Perimeter
125445548
Area
983536594563769
Diagonal
44351698.830231
Surface area
5901219567382614
Volume
3.0845071770776E+22
Space diagonal
54319515.67983
Perimeter
94084161
Area
4.2588383822193E+14
Altitude
27159757.839915
Surface area
4.2588383822193E+14
Volume
3.635126569217E+21
Height
14783899.610077