31307980 is an even 8-digits composite number following 31307979
and preceding 31307981 . In scientific notation, it is written as 3.1307980 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 11264000 positive integers (up to 31307980) that are relatively prime to 31307980.
31307980 has 24 divisors, whose sum is 56377440
The reverse of 31307980 is 08970313
Previous prime number is 1409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million three hundred seven thousand nine hundred eighty
Scientific notation
3.1307980 × 10^7
Engineering notation
3.1307980 × 10^6
Prime Factorization
2 × 2 × 55 × 1409 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15653990
Product of the distinct prime numbers
The prime factorization of 31307980 is 2 × 2 × 55 × 1409 × 101.
Since it has a total of 5 prime factors.
6 , 1 , 46 , 100 , 641 , 949 , 8091 , 4048 , 11453 , 237 , 141502 , 198751 , 8984199 , 8513363 , 67598547 , 78117044 , 937537433 , 724090096 , 3176010070 , 937199058
n×2
62615960
n×3
93923940
n×4
125231920
n×5
156539900
n÷2
15653990
n÷3
10435993.333333
n÷3
7826995
n÷5
6261596
n2
980189611680400
n3
3.0687756758698E+22
n4
9.6077167484617E+29
n5
3.007982038065E+37
2 √n
5595.3534294091
3 √n
315.17494271593
4 √n
74.80209508703
5 √n
31.559565075924
1 , 2 , 4 , 55 , 101 , 110 , 202 , 220 , 404 , 1409 , 2818 , 5555 , 5636 , 11110 , 22220 , 77495 , 142309 , 154990 , 284618 , 309980 , 569236 , 7826995 , 15653990 , 31307980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31307979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31307980 can be divided by 24 positive divisors.
The sum of these divisors (counting 31307980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111011011100011001100
3
Ternary
2011220121110211
4
Quaternary
1313123203030
5
Quinary
31003323410
6
Senary
3035012204
8
Octal
167334314
10
Decimal
31307980
12
Duodecimal
a59a064
16
Hexadecimal
1ddb8cc
20
Vigesimal
9fd9j0
36
Base36
in1e4
md5
1f3d211f31d75d91c141802fc69f0c5f
sha1
18c0d1c5587e69866af7db4c92f49621e6e43b97
sha256
48f0291c45da4f74ff794515b8efb4073bfa0379ef3b5546e991f189821f1c8c
sha512
2874c8f0a49a72980f46cdc789940b03f9219b741f5e21f3c83707b8fa993515bac5374efccbbcf18b7f39da349afe24afef0b10f7dc9d1287dc08cf26638a66
ripemd-160
83a414f4e7af03cd7e5fc5528780c54f9cfaa650
Diameter
62615960
Circumference
196713839.93347
Area
3.0793564831802E+15
Volume
1.285445749177E+23
Surface area
1.2317425932721E+16
Circumference
196713839.93347
Perimeter
125231920
Area
980189611680400
Diagonal
44276169.926506
Surface area
5881137670082400
Volume
3.0687756758698E+22
Space diagonal
54227012.04235
Perimeter
93923940
Area
4.2443455212042E+14
Altitude
27113506.021175
Surface area
4.2443455212042E+14
Volume
3.6165868172464E+21
Height
14758723.308835