31491941 is an odd 8-digits composite number following 31491940
and preceding 31491942 . In scientific notation, it is written as 3.1491941 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 27760320 positive integers (up to 31491941) that are relatively prime to 31491941.
31491941 has 16 divisors, whose sum is 35468160
The reverse of 31491941 is 14919413
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million four hundred ninety-one thousand nine hundred forty-one
Scientific notation
3.1491941 × 10^7
Engineering notation
3.1491941 × 10^6
Prime Factorization
29 × 13 × 103 × 811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31491941
Product of the distinct prime numbers
The prime factorization of 31491941 is 29 × 13 × 103 × 811.
Since it has a total of 4 prime factors.
7 , 3 , 21 , 15 , 308 , 476 , 3618 , 5644 , 14428 , 41103 , 382166 , 161921 , 6731913 , 7132202 , 32281118 , 57466022 , 862990888 , 689190299 , 6974673213 , 8109506280
n×2
62983882
n×3
94475823
n×4
125967764
n×5
157459705
n÷2
15745970.5
n÷3
10497313.666667
n÷3
7872985.25
n÷5
6298388.2
n2
991742347947481
n3
3.1231891508764E+22
n4
9.8355288471238E+29
n5
3.0973989415742E+37
2 √n
5611.7680814517
3 √n
315.79104449462
4 √n
74.91173527193
5 √n
31.596566068152
1 , 13 , 29 , 103 , 377 , 811 , 1339 , 2987 , 10543 , 23519 , 38831 , 83533 , 305747 , 1085929 , 2422457 , 31491941
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31491940
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31491941 can be divided by 16 positive divisors.
The sum of these divisors (counting 31491941) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001000011101100101
3
Ternary
2012020221211012
4
Quaternary
1320020131211
5
Quinary
31030220231
6
Senary
3042552005
8
Octal
170103545
10
Decimal
31491941
12
Duodecimal
a668605
16
Hexadecimal
1e08765
20
Vigesimal
9gg9h1
36
Base36
iqzc5
md5
f8a65c45607e7ea42ab69b102778a40e
sha1
03c5829dd22472aaf5495e267980339f1174e6ae
sha256
6c71441e0cf07623a0fe455a4c985fdcdb990ef4b7ded7b53a581c15b254d724
sha512
a7ba7cf9924bddff35b825173ba25be69ea9944c49124b1e4e0f250fd26c82825034a00705abd4156e0026d8125b0ecc09a3928e95643ab49fd2809ab4381186
ripemd-160
48a84e73608102cac375f8053219d9988062af67
Diameter
62983882
Circumference
197869700.98577
Area
3.1156504745657E+15
Volume
1.3082384122886E+23
Surface area
1.2462601898263E+16
Circumference
197869700.98577
Perimeter
125967764
Area
991742347947481
Diagonal
44536330.067653
Surface area
5950454087684886
Volume
3.1231891508764E+22
Space diagonal
54545641.840961
Perimeter
94475823
Area
4.2943703366567E+14
Altitude
27272820.920481
Surface area
4.2943703366567E+14
Volume
3.6807137125215E+21
Height
14845443.355884