31897071 is an odd 8-digits composite number following 31897070
and preceding 31897072 . In scientific notation, it is written as 3.1897071 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 19922112 positive integers (up to 31897071) that are relatively prime to 31897071.
31897071 has 32 divisors, whose sum is 46986240
The reverse of 31897071 is 17079813
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-one million eight hundred ninety-seven thousand seventy-one
Scientific notation
3.1897071 × 10^7
Engineering notation
3.1897071 × 10^6
Prime Factorization
27 × 3 × 37 × 29 × 367
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31897071
Product of the distinct prime numbers
The prime factorization of 31897071 is 27 × 3 × 37 × 29 × 367.
Since it has a total of 5 prime factors.
5 , 9 , 26 , 12 , 261 , 444 , 4223 , 2530 , 78901 , 16746 , 986529 , 545958 , 9903329 , 8815905 , 40809499 , 82017095 , 828524813 , 425670416 , 7913999877 , 2075170795
n×2
63794142
n×3
95691213
n×4
127588284
n×5
159485355
n÷2
15948535.5
n÷3
10632357
n÷3
7974267.75
n÷5
6379414.2
n2
1017423138379041
n3
3.2452818081919E+22
n4
1.0351498425091E+30
n5
3.301824802215E+37
2 √n
5647.7491976893
3 √n
317.13944977034
4 √n
75.15150828619
5 √n
31.677446128675
1 , 3 , 27 , 29 , 37 , 81 , 87 , 111 , 367 , 783 , 999 , 1073 , 1101 , 2349 , 2997 , 3219 , 9909 , 10643 , 13579 , 28971 , 29727 , 31929 , 40737 , 86913 , 287361 , 366633 , 393791 , 862083 , 1099899 , 1181373 , 10632357 , 31897071
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31897070
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31897071 can be divided by 32 positive divisors.
The sum of these divisors (counting 31897071) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111001101011010111101111
3
Ternary
2020000112120000
4
Quaternary
1321223113233
5
Quinary
31131201241
6
Senary
3055355343
8
Octal
171532757
10
Decimal
31897071
12
Duodecimal
a822b53
16
Hexadecimal
1e6b5ef
20
Vigesimal
9j72db
36
Base36
iznxr
md5
2ae07c7257510215387e60c6a18e8466
sha1
3fdcb35b42828e6c2396ad397259e00328b0243f
sha256
b01b23280e105cef14905cc72d12f33d583bd0f59e3c0ee558d73e0c47b81fb8
sha512
a70744bbb3702f47333d494083e3a99d4fa6b6c109879a4cd8668954bbe5e419c70473cd27f98fa44bb9cfea07d9b91823470f27fc82083c6e83de4aee5f4dd6
ripemd-160
7dc74f5bc4eb69328e91d30e23db4442e47fe5a0
Diameter
63794142
Circumference
200415207.84926
Area
3.1963290571239E+15
Volume
1.3593804649926E+23
Surface area
1.2785316228495E+16
Circumference
200415207.84926
Perimeter
127588284
Area
1017423138379041
Diagonal
45109270.408178
Surface area
6104538830274246
Volume
3.2452818081919E+22
Space diagonal
55247347.584632
Perimeter
95691213
Area
4.4055714211717E+14
Altitude
27623673.792316
Surface area
4.4055714211717E+14
Volume
3.8246012890564E+21
Height
15036423.469393