7942749841 is an odd 10-digits composite number following 7942749840
and preceding 7942749842 . In scientific notation, it is written as 7.942749841 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 7331769072 positive integers (up to 7942749841) that are relatively prime to 7942749841.
7942749841 has 4 divisors, whose sum is 8553730612
The reverse of 7942749841 is 1489472497
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
seven billion nine hundred forty-two million seven hundred forty-nine thousand eight hundred forty-one
Scientific notation
7.942749841 × 10^9
Engineering notation
7.942749841 × 10^9
Prime Factorization
13 × 610980757
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7942749841
Product of the distinct prime numbers
The prime factorization of 7942749841 is 13 × 610980757.
Since it has a total of 2 prime factors.
1 , 3 , 71 , 69 , 777 , 579 , 3999 , 9700 , 35603 , 93722 , 337871 , 817540 , 7737713 , 4109600 , 94330495 , 75154637 , 304291689 , 460819299 , 8014217082 , 1998706987
n×2
15885499682
n×3
23828249523
n×4
31770999364
n×5
39713749205
n÷2
3971374920.5
n÷3
2647583280.3333
n÷3
1985687460.25
n÷5
1588549968.2
n2
6.3087275036706E+19
n3
5.0108644376692E+29
n4
3.9800042715569E+39
n5
3.1612178295088E+49
2 √n
89122.106354148
3 √n
1995.2177274656
4 √n
298.53325837191
5 √n
95.497978141173
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7942749840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7942749841 can be divided by 4 positive divisors.
The sum of these divisors (counting 7942749841) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011001011011001011111010010001
3
Ternary
202111112200111110001
4
Quaternary
13121123023322101
5
Quinary
112231320443331
6
Senary
3352052410001
8
Octal
73133137221
10
Decimal
7942749841
12
Duodecimal
1658016901
16
Hexadecimal
1d96cbe91
20
Vigesimal
64223ec1
36
Base36
3ncwp01
md5
8ac10cb63336b2f2cc73b3bccfdd0d66
sha1
34e65c170ad64537cd1e295c1639f393d7163462
sha256
9a68ea32e71db5ba3c1da64e29f3b4fd328c1dd45494dddde31189d5ccd3c126
sha512
b6d64ece515812fc2be487a33fd14a5195f641ad0df075e9a9ef4989a0ad9b76936b864d2f49efeb055d2b460ff5490142d5f98ec4f53967d6d9a024bca47f50
ripemd-160
cdcbe4f58eb1282a99f0199ba6592846dd88aeed
Diameter
15885499682
Circumference
49905769099.574
Area
1.9819451979031E+20
Volume
2.0989459874021E+30
Surface area
7.9277807916125E+20
Circumference
49905769099.574
Perimeter
31770999364
Area
6.3087275036706E+19
Diagonal
11232744547.679
Surface area
3.7852365022023E+20
Volume
5.0108644376692E+29
Space diagonal
13757246276.422
Perimeter
23828249523
Area
2.7317591418661E+19
Altitude
6878623138.2108
Surface area
2.7317591418661E+19
Volume
5.9053603724706E+28
Height
3744248182.5596