7938888945 is an odd 10-digits composite number following 7938888944
and preceding 7938888946 . In scientific notation, it is written as 7.938888945 × 10^9.
The sum of its digits is 69. It has a total of 4 prime factors and 16 positive divisors.
There are 3908376000 positive integers (up to 7938888945) that are relatively prime to 7938888945.
7938888945 has 16 divisors, whose sum is 13679316672
The reverse of 7938888945 is 5498888397
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 69
Digital Root 6
Name
seven billion nine hundred thirty-eight million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
7.938888945 × 10^9
Engineering notation
7.938888945 × 10^9
Prime Factorization
13 × 5 × 3 × 40712251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7938888945
Product of the distinct prime numbers
The prime factorization of 7938888945 is 13 × 5 × 3 × 40712251.
Since it has a total of 4 prime factors.
10 , 3 , 6 , 88 , 791 , 159 , 6703 , 3051 , 49569 , 7395 , 428196 , 723378 , 4139190 , 525590 , 507085 , 97921549 , 762932476 , 149781955 , 9061161538 , 5986040672
n×2
15877777890
n×3
23816666835
n×4
31755555780
n×5
39694444725
n÷2
3969444472.5
n÷3
2646296315
n÷3
1984722236.25
n÷5
1587777789
n2
6.3025957681043E+19
n3
5.0035607868207E+29
n4
3.9722713416126E+39
n5
3.1535421040469E+49
2 √n
89100.443012367
3 √n
1994.894389545
4 √n
298.4969732047
5 √n
95.488692201662
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 40712251 , 122136753 , 203561255 , 529259263 , 610683765 , 1587777789 , 2646296315 , 7938888945
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
-7938888944
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 7938888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 7938888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011001001100011101010011110001
3
Ternary
202111021102100021220
4
Quaternary
13121030131103301
5
Quinary
112224323421240
6
Senary
3351433535253
8
Octal
73114352361
10
Decimal
7938888945
12
Duodecimal
1656874529
16
Hexadecimal
1d931d4f1
20
Vigesimal
640i1275
36
Base36
3nalxwx
md5
4e69f5ed3e54cf7d1440904519ef44d4
sha1
271f9349aaf3408a7fa67b466c007f45bc3a0203
sha256
b7083f711959474b120d35e273c31a4b2d179846fee6ef6ecca0fcb63fdeaf39
sha512
5a6c0b4d4bf0d7793529cfbe794392200fbfef5cfcc6f2da1abe4c3aaf7976ee0188ed90006d18a5eeb24f90de7015d4501f26b5a871d3fbb4c689d2752c2408
ripemd-160
4068f2bef888ee9b7b55433a6c3ba1c000510fa5
Diameter
15877777890
Circumference
49881510374.554
Area
1.9800188563623E+20
Volume
2.0958866412888E+30
Surface area
7.9200754254491E+20
Circumference
49881510374.554
Perimeter
31755555780
Area
6.3025957681043E+19
Diagonal
11227284416.193
Surface area
3.7815574608626E+20
Volume
5.0035607868207E+29
Space diagonal
13750559008.387
Perimeter
23816666835
Area
2.7291040224813E+19
Altitude
6875279504.1934
Surface area
2.7291040224813E+19
Volume
5.8967529374E+28
Height
3742428138.7309