31002988 is an even 8-digits composite number following 31002987
and preceding 31002989 . In scientific notation, it is written as 3.1002988 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 14827472 positive integers (up to 31002988) that are relatively prime to 31002988.
31002988 has 12 divisors, whose sum is 56614320
The reverse of 31002988 is 88920013
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million two thousand nine hundred eighty-eight
Scientific notation
3.1002988 × 10^7
Engineering notation
3.1002988 × 10^6
Prime Factorization
2 × 2 × 23 × 336989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15501494
Product of the distinct prime numbers
The prime factorization of 31002988 is 2 × 2 × 23 × 336989.
Since it has a total of 4 prime factors.
2 , 7 , 13 , 34 , 862 , 527 , 2752 , 4189 , 58808 , 12254 , 778961 , 790435 , 7900795 , 1654569 , 68085059 , 77841364 , 386943406 , 414055195 , 6978764346 , 4863220611
n×2
62005976
n×3
93008964
n×4
124011952
n×5
155014940
n÷2
15501494
n÷3
10334329.333333
n÷3
7750747
n÷5
6200597.6
n2
961185264928144
n3
2.9799615234344E+22
n4
9.2387711351499E+29
n5
2.864295106378E+37
2 √n
5568.0326866857
3 √n
314.14815786691
4 √n
74.619251448173
5 √n
31.497835493553
1 , 2 , 4 , 23 , 46 , 92 , 336989 , 673978 , 1347956 , 7750747 , 15501494 , 31002988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31002987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31002988 can be divided by 12 positive divisors.
The sum of these divisors (counting 31002988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010001000101101100
3
Ternary
2011100010002211
4
Quaternary
1312101011230
5
Quinary
30414043423
6
Senary
3024300204
8
Octal
166210554
10
Decimal
31002988
12
Duodecimal
a471664
16
Hexadecimal
1d9116c
20
Vigesimal
9df798
36
Base36
igi24
md5
ed71f7c5c21c305cb566fd4936e2614a
sha1
dbf858261d284998110e580721b991e2d388d9cc
sha256
69d1426bc4257418cbe46cfed2e9907500f6bbf0de5e6724e818106d8e1a7ea9
sha512
2b49985a71b49505750d538e93d4054df39ba0c375c1217611b44f694414386946dd3966433dee2497e154b53a3e4001ade94a9e619c0c941a87f71359ed387f
ripemd-160
b6c70aa50d63ec71d4a1b354a918ead53b284b27
Diameter
62005976
Circumference
194797518.68027
Area
3.019652567037E+15
Volume
1.2482433640002E+23
Surface area
1.2078610268148E+16
Circumference
194797518.68027
Perimeter
124011952
Area
961185264928144
Diagonal
43844846.10369
Surface area
5767111589568864
Volume
2.9799615234344E+22
Space diagonal
53698750.402448
Perimeter
93008964
Area
4.1620542858552E+14
Altitude
26849375.201224
Surface area
4.1620542858552E+14
Volume
3.5119183348258E+21
Height
14614948.70123