638491146 is an even 9-digits composite number following 638491145
and preceding 638491147 . In scientific notation, it is written as 6.38491146 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 208301984 positive integers (up to 638491146) that are relatively prime to 638491146.
638491146 has 16 divisors, whose sum is 1304152704
The reverse of 638491146 is 641194836
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-eight million four hundred ninety-one thousand one hundred forty-six
Scientific notation
6.38491146 × 10^8
Engineering notation
6.38491146 × 10^6
Prime Factorization
2 × 3 × 47 × 2264153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638491146
Product of the distinct prime numbers
The prime factorization of 638491146 is 2 × 3 × 47 × 2264153.
Since it has a total of 4 prime factors.
6 , 6 , 27 , 40 , 427 , 492 , 2120 , 1030 , 96868 , 55536 , 10094 , 935673 , 5370288 , 7431403 , 55390783 , 36071864 , 770470523 , 796212818 , 9048611923 , 6148762348
n×2
1276982292
n×3
1915473438
n×4
2553964584
n×5
3192455730
n÷2
319245573
n÷3
212830382
n÷3
159622786.5
n÷5
127698229.2
n2
407670943520393316
n3
2.6029428791924E+26
n4
1.6619559819081E+35
n5
1.06114417949E+44
2 √n
25268.382338409
3 √n
861.09610822684
4 √n
158.96031686685
5 √n
57.680760245657
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 2264153 , 4528306 , 6792459 , 13584918 , 106415191 , 212830382 , 319245573 , 638491146
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
-638491145
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 638491146 can be divided by 16 positive divisors.
The sum of these divisors (counting 638491146) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000011101001101000001010
3
Ternary
1122111102201012020
4
Quaternary
212003221220022
5
Quinary
2301423204041
6
Senary
143205025310
8
Octal
4603515012
10
Decimal
638491146
12
Duodecimal
1599b5236
16
Hexadecimal
260e9a0a
20
Vigesimal
9jab7h6
36
Base36
ak52x6
md5
ee7b55fcdd3a24ba054f3557ec2b5568
sha1
bcf6085fe7cfbddb31ddacebb7078365b7cde4b8
sha256
360776a17456fffb201e7098cbf4f4882ab2b8767a2f3961fbc67731e7756269
sha512
43e4d69985c6e1144d59b45e0556d7ae8d3b3caa95d0504aea4c3089b6cc2b687cc18032473127e6eadffe16cd597b1cf345bcf77a057e8c3ca91f55ccf765c4
ripemd-160
35f3e7db5b1fa823489685f1708bad01c8c58fd9
Diameter
1276982292
Circumference
4011758187.3115
Area
1.2807360412457E+18
Volume
1.0903181635979E+27
Surface area
5.1229441649827E+18
Circumference
4011758187.3115
Perimeter
2553964584
Area
407670943520393316
Diagonal
902962838.12834
Surface area
2446025661122359896
Volume
2.6029428791924E+26
Space diagonal
1105899105.0549
Perimeter
1915473438
Area
1.7652669673672E+17
Altitude
552949552.52744
Surface area
1.7652669673672E+17
Volume
3.0675976015303E+25
Height
300987612.70945