7942749949 is an odd 10-digits composite number following 7942749948
and preceding 7942749950 . In scientific notation, it is written as 7.942749949 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 7412446080 positive integers (up to 7942749949) that are relatively prime to 7942749949.
7942749949 has 16 divisors, whose sum is 8486470080
The reverse of 7942749949 is 9499472497
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
seven billion nine hundred forty-two million seven hundred forty-nine thousand nine hundred forty-nine
Scientific notation
7.942749949 × 10^9
Engineering notation
7.942749949 × 10^9
Prime Factorization
19 × 131 × 137 × 23293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7942749949
Product of the distinct prime numbers
The prime factorization of 7942749949 is 19 × 131 × 137 × 23293.
Since it has a total of 4 prime factors.
2 , 4 , 77 , 57 , 670 , 246 , 500 , 9703 , 29018 , 8297 , 941715 , 396146 , 58437 , 3732694 , 8826082 , 37865803 , 222784759 , 961930924 , 652290382 , 401036830
n×2
15885499898
n×3
23828249847
n×4
31770999796
n×5
39713749745
n÷2
3971374974.5
n÷3
2647583316.3333
n÷3
1985687487.25
n÷5
1588549989.8
n2
6.308727675234E+19
n3
5.0108646420719E+29
n4
3.9800044880263E+39
n5
3.161218044429E+49
2 √n
89122.106960058
3 √n
1995.2177365088
4 √n
298.53325938672
5 √n
95.497978400876
1 , 19 , 131 , 137 , 2489 , 2603 , 17947 , 23293 , 340993 , 442567 , 3051383 , 3191141 , 57976277 , 60631679 , 418039471 , 7942749949
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
-7942749948
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 7942749949 can be divided by 16 positive divisors.
The sum of these divisors (counting 7942749949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011001011011001011111011111101
3
Ternary
202111112200111121001
4
Quaternary
13121123023323331
5
Quinary
112231320444244
6
Senary
3352052410301
8
Octal
73133137375
10
Decimal
7942749949
12
Duodecimal
1658016991
16
Hexadecimal
1d96cbefd
20
Vigesimal
64223eh9
36
Base36
3ncwp31
md5
321e0eea77f53a3eb1e27c61be7ad580
sha1
c5ae3675f3c75ef774e0943f290b623759371dc2
sha256
75f53de2a8582070142d76a2b807ecc69bd69da96ef6bf6abd49d298ce3b1fc1
sha512
f7bdfcc32b5ed147dd421c52a0b1c7ba54f317e12520132d0ea0e2bd6397f25473c5add16b5f10a015424411df18aa4e68fb666618ce60dc248aabcbbccb5619
ripemd-160
a69c42bc095458af100d5fedb698395db7f85f76
Diameter
15885499898
Circumference
49905769778.158
Area
1.9819452518014E+20
Volume
2.0989460730221E+30
Surface area
7.9277810072054E+20
Circumference
49905769778.158
Perimeter
31770999796
Area
6.308727675234E+19
Diagonal
11232744700.414
Surface area
3.7852366051404E+20
Volume
5.0108646420719E+29
Space diagonal
13757246463.483
Perimeter
23828249847
Area
2.7317592161553E+19
Altitude
6878623231.7416
Surface area
2.7317592161553E+19
Volume
5.9053606133616E+28
Height
3744248233.4713