31007989 is an odd 8-digits composite number following 31007988
and preceding 31007990 . In scientific notation, it is written as 3.1007989 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 29835456 positive integers (up to 31007989) that are relatively prime to 31007989.
31007989 has 8 divisors, whose sum is 32187960
The reverse of 31007989 is 98970013
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million seven thousand nine hundred eighty-nine
Scientific notation
3.1007989 × 10^7
Engineering notation
3.1007989 × 10^6
Prime Factorization
29 × 317 × 3373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31007989
Product of the distinct prime numbers
The prime factorization of 31007989 is 29 × 317 × 3373.
Since it has a total of 3 prime factors.
5 , 9 , 52 , 3 , 226 , 574 , 5625 , 321 , 25869 , 74765 , 965292 , 88985 , 691307 , 7816053 , 98745643 , 67519875 , 46482752 , 931993557 , 4082147071 , 1299391140
n×2
62015978
n×3
93023967
n×4
124031956
n×5
155039945
n÷2
15503994.5
n÷3
10335996.333333
n÷3
7751997.25
n÷5
6201597.8
n2
961495381824121
n3
2.9814038223153E+22
n4
9.2447336926911E+29
n5
2.866606006509E+37
2 √n
5568.4817499925
3 √n
314.16504839448
4 √n
74.622260418675
5 √n
31.49885159247
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31007988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31007989 can be divided by 8 positive divisors.
The sum of these divisors (counting 31007989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010010010011110101
3
Ternary
2011100100222001
4
Quaternary
1312102103311
5
Quinary
30414223424
6
Senary
3024335301
8
Octal
166222365
10
Decimal
31007989
12
Duodecimal
a474531
16
Hexadecimal
1d924f5
20
Vigesimal
9dfjj9
36
Base36
iglx1
md5
67216ec36f94e82eecdb2d860e91ddba
sha1
770a8829389ea0801e4c55457325851f0245bf7f
sha256
f34761137092d1081b9cedc35cc9660a9d63107148b0aa9213135a6a902a7deb
sha512
c410b8cafe03369ce457da87d93e48cbd74be29776e4fd40d191f835cc6625112f08114aa4a44ac2f3fe6cfba6f8629c5b6b6b3ed2b6c502b8e57dff66dca1dc
ripemd-160
7ac420a9878931ec96d961d7d6784ba9b578454e
Diameter
62015978
Circumference
194828940.88999
Area
3.0206268279992E+15
Volume
1.2488475127427E+23
Surface area
1.2082507311997E+16
Circumference
194828940.88999
Perimeter
124031956
Area
961495381824121
Diagonal
43851918.585716
Surface area
5768972290944726
Volume
2.9814038223153E+22
Space diagonal
53707412.388537
Perimeter
93023967
Area
4.1633971314055E+14
Altitude
26853706.194268
Surface area
4.1633971314055E+14
Volume
3.5136181003578E+21
Height
14617306.195239