31381279 is an odd 8-digits prime number following 31381278
and preceding 31381280 . In scientific notation, it is written as 3.1381279 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 31381278 positive integers (up to 31381279) that are relatively prime to 31381279.
31381279 has 2 divisors, whose sum is 31381280
The reverse of 31381279 is 97218313
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
thirty-one million three hundred eighty-one thousand two hundred seventy-nine
Scientific notation
3.1381279 × 10^7
Engineering notation
3.1381279 × 10^6
Prime Factorization
31381279
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31381279 Product of the distinct prime numbers
The prime factorization of 31381279 is 31381279.
Since it has a total of 1 prime factors.
1 , 5 , 27 , 21 , 753 , 597 , 744 , 2302 , 92384 , 94497 , 734381 , 818467 , 2992992 , 5724918 , 92480395 , 11067193 , 760393884 , 201050864 , 2260935713 , 4704982480
n×2
62762558
n×3
94143837
n×4
125525116
n×5
156906395
n÷2
15690639.5
n÷3
10460426.333333
n÷3
7845319.75
n÷5
6276255.8
n2
984784671675841
n3
3.0903802536783E+22
n4
9.6980084956769E+29
n5
3.0433591034721E+37
2 √n5601.8995885324
3 √n315.42071607836
4 √n74.845838819085
5 √n31.574328859672
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31381280 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15690640 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5601.8996777879 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999362677 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31381279 can be divided by 2 positive divisors.
The sum of these divisors (counting 31381279) is 31381280, the average is 15690640.
Base
System
Value
2
Binary
1110111101101011100011111
3
Ternary
2012001100000121
4
Quaternary
1313231130133
5
Quinary
31013200104
6
Senary
3040335411
8
Octal
167553437
10
Decimal
31381279
12
Duodecimal
a614567
16
Hexadecimal
1ded71f
20
Vigesimal
9g2d3j
36
Base36
ioly7
md5
d34d4b65addba6f1b87949aca320372e
sha1
c00fedfc4ea422529b332fe038dc02b9da3eec6a
sha256
06c742632a8ad2ef473835928e2cdeb630b6c86547b3fb599112999f4692143b
sha512
4da688277b09d39344da7331fd61596759f43b66754e677d3fc6f16fd862caa0f1015b93aa007e7afe650be83360dbd039303debbb5ce5924dc173ba9bbb23c8
ripemd-160
e64911c15ad84bd647a7383643a933164d41780c
Diameter
62762558
Circumference
197174391.1333
Area
3.0937922899047E+15
Volume
1.2944954535673E+23
Surface area
1.2375169159619E+16
Circumference
197174391.1333
Perimeter
125525116
Area
984784671675841
Diagonal
44379830.366414
Surface area
5908708030055046
Volume
3.0903802536783E+22
Space diagonal
54353969.634494
Perimeter
94143837
Area
4.264242714644E+14
Altitude
27176984.817247
Surface area
4.264242714644E+14
Volume
3.6420480563682E+21
Height
14793276.788805