31479968 is an even 8-digits composite number following 31479967
and preceding 31479969 . In scientific notation, it is written as 3.1479968 × 10^7.
The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors.
There are 14526720 positive integers (up to 31479968) that are relatively prime to 31479968.
31479968 has 24 divisors, whose sum is 62353620
The reverse of 31479968 is 86997413
Previous prime number is 169
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-one million four hundred seventy-nine thousand nine hundred sixty-eight
Scientific notation
3.1479968 × 10^7
Engineering notation
3.1479968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 169 × 5821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1967498
Product of the distinct prime numbers
The prime factorization of 31479968 is 2 × 2 × 2 × 2 × 2 × 169 × 5821.
Since it has a total of 7 prime factors.
10 , 4 , 38 , 74 , 561 , 119 , 6221 , 331 , 99336 , 27282 , 539389 , 486042 , 3188864 , 3474926 , 43960833 , 46985706 , 299195227 , 650134726 , 775906177 , 2955373534
n×2
62959936
n×3
94439904
n×4
125919872
n×5
157399840
n÷2
15739984
n÷3
10493322.666667
n÷3
7869992
n÷5
6295993.6
n2
990988385281024
n3
3.1196282657018E+22
n4
9.8205797976189E+29
n5
3.0915153777049E+37
2 √n
5610.7012039495
3 √n
315.75101895876
4 √n
74.90461403645
5 √n
31.594163147161
1 , 2 , 4 , 8 , 16 , 32 , 169 , 338 , 676 , 1352 , 2704 , 5408 , 5821 , 11642 , 23284 , 46568 , 93136 , 186272 , 983749 , 1967498 , 3934996 , 7869992 , 15739984 , 31479968
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
-31479967
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 31479968 can be divided by 24 positive divisors.
The sum of these divisors (counting 31479968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111000000101100010100000
3
Ternary
2012020100101202
4
Quaternary
1320011202200
5
Quinary
31024324333
6
Senary
3042420332
8
Octal
170054240
10
Decimal
31479968
12
Duodecimal
a6616a8
16
Hexadecimal
1e058a0
20
Vigesimal
9geji8
36
Base36
iqq3k
md5
b2ac2e0b12cc223135b2337ec876a7aa
sha1
ec796921422c264d1da6bf4fabfafd0780b0ff7f
sha256
542cf704d12e040dc60bd55b55f73b6ee0d357d2937503a4c065bf7fdab3279f
sha512
f64268ee94f42db14c5f3e8aa77d8818374585b0ae3d9d50a2c03fa8ec201981553343533be5afc2874e2fb307dbafd4c62dc30d61ec2ec78b34324ebcbb4e16
ripemd-160
2cebbd3d1bdf3b0a16061ecda605d41be197591c
Diameter
62959936
Circumference
197794472.40808
Area
3.1132818309917E+15
Volume
1.3067468321947E+23
Surface area
1.2453127323967E+16
Circumference
197794472.40808
Perimeter
125919872
Area
990988385281024
Diagonal
44519397.688671
Surface area
5945930311686144
Volume
3.1196282657018E+22
Space diagonal
54524903.996642
Perimeter
94439904
Area
4.2911055825434E+14
Altitude
27262451.998321
Surface area
4.2911055825434E+14
Volume
3.6765171690983E+21
Height
14839799.229557