31998907 is an odd 8-digits composite number following 31998906
and preceding 31998908 . In scientific notation, it is written as 3.1998907 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 29508192 positive integers (up to 31998907) that are relatively prime to 31998907.
31998907 has 16 divisors, whose sum is 34594560
The reverse of 31998907 is 70989913
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty-one million nine hundred ninety-eight thousand nine hundred seven
Scientific notation
3.1998907 × 10^7
Engineering notation
3.1998907 × 10^6
Prime Factorization
19 × 103 × 83 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31998907
Product of the distinct prime numbers
The prime factorization of 31998907 is 19 × 103 × 83 × 197.
Since it has a total of 4 prime factors.
10 , 7 , 46 , 62 , 522 , 344 , 7987 , 3707 , 11546 , 36914 , 446062 , 369724 , 7099475 , 5977709 , 16969411 , 4614153 , 435630738 , 22340581 , 7818790544 , 89441005
n×2
63997814
n×3
95996721
n×4
127995628
n×5
159994535
n÷2
15999453.5
n÷3
10666302.333333
n÷3
7999726.75
n÷5
6399781.4
n2
1023930049194649
n3
3.2764642418685E+22
n4
1.0484327456438E+30
n5
3.3548701923609E+37
2 √n
5656.7576402034
3 √n
317.47659570801
4 √n
75.211419613005
5 √n
31.697647310231
1 , 19 , 83 , 103 , 197 , 1577 , 1957 , 3743 , 8549 , 16351 , 20291 , 162431 , 310669 , 385529 , 1684153 , 31998907
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
-31998906
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 31998907 can be divided by 16 positive divisors.
The sum of these divisors (counting 31998907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010000100001110111011
3
Ternary
2020012201020201
4
Quaternary
1322010032323
5
Quinary
31142431112
6
Senary
3101503031
8
Octal
172041673
10
Decimal
31998907
12
Duodecimal
a871a77
16
Hexadecimal
1e843bb
20
Vigesimal
9jjh57
36
Base36
j1uij
md5
911e6189c27273c109a22a8909ca7ca8
sha1
a541f44780e126dc7653df79c589118c31e8ace2
sha256
42c8b7ed934be5f3e56c17a5c0de9b5b2dee071d04bb4f9ca86bec63532a6ec5
sha512
df848199cd57372286e2ee1a88a860d0831370123ea5bb12eee59530756949b4d53c8bb8bd09008f52798900544586059e4643a453c936867be88dfe6116aed3
ripemd-160
36b97d1fb5cd3e25968b4c68d3a804e24ba5321d
Diameter
63997814
Circumference
201055062.30821
Area
3.2167711203397E+15
Volume
1.3724421322672E+23
Surface area
1.2867084481359E+16
Circumference
201055062.30821
Perimeter
127995628
Area
1023930049194649
Diagonal
45253288.260515
Surface area
6143580295167894
Volume
3.2764642418685E+22
Space diagonal
55423732.710671
Perimeter
95996721
Area
4.4337471715041E+14
Altitude
27711866.355336
Surface area
4.4337471715041E+14
Volume
3.8613501395674E+21
Height
15084429.420172