31157072 is an even 8-digits composite number following 31157071
and preceding 31157073 . In scientific notation, it is written as 3.1157072 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 15358560 positive integers (up to 31157072) that are relatively prime to 31157072.
31157072 has 20 divisors, whose sum is 61219296
The reverse of 31157072 is 27075113
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million one hundred fifty-seven thousand seventy-two
Scientific notation
3.1157072 × 10^7
Engineering notation
3.1157072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 71 × 27427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3894634
Product of the distinct prime numbers
The prime factorization of 31157072 is 2 × 2 × 2 × 2 × 71 × 27427.
Since it has a total of 6 prime factors.
2 , 6 , 24 , 9 , 651 , 1 , 9360 , 4508 , 268 , 48898 , 945600 , 536275 , 1889985 , 1757904 , 38133634 , 47552257 , 610074797 , 413648971 , 7011490466 , 2613414060
n×2
62314144
n×3
93471216
n×4
124628288
n×5
155785360
n÷2
15578536
n÷3
10385690.666667
n÷3
7789268
n÷5
6231414.4
n2
970763135613184
n3
3.0246136911246E+22
n4
9.4238106546554E+29
n5
2.9361834708147E+37
2 √n
5581.8520224026
3 √n
314.66773396491
4 √n
74.711793061086
5 √n
31.529082112902
1 , 2 , 4 , 8 , 16 , 71 , 142 , 284 , 568 , 1136 , 27427 , 54854 , 109708 , 219416 , 438832 , 1947317 , 3894634 , 7789268 , 15578536 , 31157072
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
-31157071
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 31157072 can be divided by 20 positive divisors.
The sum of these divisors (counting 31157072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110110110101101010000
3
Ternary
2011121221110122
4
Quaternary
1312312231100
5
Quinary
30434011242
6
Senary
3031445412
8
Octal
166665520
10
Decimal
31157072
12
Duodecimal
a526868
16
Hexadecimal
1db6b50
20
Vigesimal
9eecdc
36
Base36
ijsy8
md5
b193f992ad5e4ad2a3818ab141c152b8
sha1
1eab3b9e0e88d2a732a97960801285743a27a669
sha256
dde533664404d50a00051ae0c05fb5106d3b3d71e3a9c037be03754c3d2c3464
sha512
2f2f48a053b283696f9cf4fa12dc24f9f2da03d62dc64d4fee7f9157342803c427ab603147d5c8b7a45c1b94b87fe2b075a0843e11d8c2ef34429802226e79a5
ripemd-160
7f7084656b80663a88270a35a200e10999a3b330
Diameter
62314144
Circumference
195765657.00514
Area
3.0497423352182E+15
Volume
1.2669472202645E+23
Surface area
1.2198969340873E+16
Circumference
195765657.00514
Perimeter
124628288
Area
970763135613184
Diagonal
44062753.786235
Surface area
5824578813679104
Volume
3.0246136911246E+22
Space diagonal
53965631.719082
Perimeter
93471216
Area
4.2035276824923E+14
Altitude
26982815.859541
Surface area
4.2035276824923E+14
Volume
3.5645414191064E+21
Height
14687584.595412