31914881 is an odd 8-digits prime number following 31914880
and preceding 31914882 . In scientific notation, it is written as 3.1914881 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 31914880 positive integers (up to 31914881) that are relatively prime to 31914881.
31914881 has 2 divisors, whose sum is 31914882
The reverse of 31914881 is 18841913
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty-one million nine hundred fourteen thousand eight hundred eighty-one
Scientific notation
3.1914881 × 10^7
Engineering notation
3.1914881 × 10^6
Prime Factorization
31914881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31914881
Product of the distinct prime numbers
The prime factorization of 31914881 is 31914881.
Since it has a total of 1 prime factors.
2 , 3 , 74 , 7 , 589 , 878 , 769 , 888 , 77782 , 72732 , 391060 , 35183 , 1831177 , 9255763 , 74181479 , 45066782 , 353473839 , 76702997 , 7980954112 , 6582875413
n×2
63829762
n×3
95744643
n×4
127659524
n×5
159574405
n÷2
15957440.5
n÷3
10638293.666667
n÷3
7978720.25
n÷5
6382976.2
n2
1018559629244161
n3
3.2507209358732E+22
n4
1.037463718326E+30
n5
3.3110531112192E+37
2 √n
5649.3257119766
3 √n
317.19846462133
4 √n
75.161996460822
5 √n
31.680982812987
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31914882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15957441
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5649.3258004827
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999373333
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31914881 can be divided by 2 positive divisors.
The sum of these divisors (counting 31914881) is 31914882, the average is 15957441.
Base
System
Value
2
Binary
1111001101111101110000001
3
Ternary
2020001102222122
4
Quaternary
1321233232001
5
Quinary
31132234011
6
Senary
3100014025
8
Octal
171575601
10
Decimal
31914881
12
Duodecimal
a831315
16
Hexadecimal
1e6fb81
20
Vigesimal
9j9741
36
Base36
j01oh
md5
557d9f0a26ed53fa56e68070b392d6af
sha1
4796c462337920c85e59826c867290b925740632
sha256
e88847f82e3fab4b0abd4a2f32862e976f99e1f63b0016df72c853f1dca1976d
sha512
f39cd0ef84bbd38a06ed3726ef2f8895a84931b31906a08475759996dfd67d0bc42601d7ed2db0aed05decb5c57045cb6d639e83a9c50aee65cb2759ddc5ad61
ripemd-160
d37ea18d3d6652e023c41599878fd325b5504d84
Diameter
63829762
Circumference
200527111.37958
Area
3.1998994484766E+15
Volume
1.361658801468E+23
Surface area
1.2799597793906E+16
Circumference
200527111.37958
Perimeter
127659524
Area
1018559629244161
Diagonal
45134457.551723
Surface area
6111357775464966
Volume
3.2507209358732E+22
Space diagonal
55278195.409515
Perimeter
95744643
Area
4.4104925709735E+14
Altitude
27639097.704757
Surface area
4.4104925709735E+14
Volume
3.8310113625016E+21
Height
15044819.183908