7998890891 is an odd 10-digits prime number following 7998890890
and preceding 7998890892 . In scientific notation, it is written as 7.998890891 × 10^9.
The sum of its digits is 68. It has a total of 1 prime factors and 2 positive divisors.
There are 7998890890 positive integers (up to 7998890891) that are relatively prime to 7998890891.
7998890891 has 2 divisors, whose sum is 7998890892
The reverse of 7998890891 is 1980988997
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 68 Digital Root 5
Name
seven billion nine hundred ninety-eight million eight hundred ninety thousand eight hundred ninety-one
Scientific notation
7.998890891 × 10^9
Engineering notation
7.998890891 × 10^9
Prime Factorization
7998890891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
7998890891 Product of the distinct prime numbers
The prime factorization of 7998890891 is 7998890891.
Since it has a total of 1 prime factors.
4 , 6 , 19 , 44 , 961 , 778 , 7442 , 4394 , 31898 , 96248 , 970026 , 24815 , 2413399 , 7520624 , 19536244 , 53284060 , 616241245 , 937681712 , 7038707263 , 3091936390
n×2
15997781782
n×3
23996672673
n×4
31995563564
n×5
39994454455
n÷2
3999445445.5
n÷3
2666296963.6667
n÷3
1999722722.75
n÷5
1599778178.2
n2
6.3982255486123E+19
n3
5.1178708059358E+29
n4
4.0937290170915E+39
n5
3.2745291745035E+49
2 √n89436.518777287
3 √n1999.9075699784
4 √n299.05939005035
5 √n95.632598084026
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
7998890892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
3999445446 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
89436.518782877 Returns the nth root of the product of n divisors
H Harmonic Mean
1.99999999975 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7998890891 can be divided by 2 positive divisors.
The sum of these divisors (counting 7998890891) is 7998890892, the average is 3999445446.
Base
System
Value
2
Binary
111011100110001010110001110001011
3
Ternary
202122110022202111012
4
Quaternary
13130301112032023
5
Quinary
112340204002031
6
Senary
3401415554135
8
Octal
73461261613
10
Decimal
7998890891
12
Duodecimal
167298b94b
16
Hexadecimal
1dcc5638b
20
Vigesimal
64jd174b
36
Base36
3oabzpn
md5
24bd30121a0225e5864d054709a72321
sha1
5ff5f361235fd9f45944fdab7074601bf599c66f
sha256
788d5b87a11cf2561aa20e0eff1ce21683324e196da7e12b4159e5a263bdc60f
sha512
4266ac09f2b219a71615d9f6bf6bec9c60520d470945752a385d4f6458d16283e6412c5b0294bc039f6c6d4bf45ebd1c6a1af395ec870f861fb7ba91e3ad7632
ripemd-160
0d22ce8fea6167517410c4c4ce0b33e0d0da59ad
Diameter
15997781782
Circumference
50258513720.064
Area
2.0100618379531E+20
Volume
2.1437687101266E+30
Surface area
8.0402473518123E+20
Circumference
50258513720.064
Perimeter
31995563564
Area
6.3982255486123E+19
Diagonal
11312139981.995
Surface area
3.8389353291674E+20
Volume
5.1178708059358E+29
Space diagonal
13854485427.412
Perimeter
23996672673
Area
2.7705129321204E+19
Altitude
6927242713.7059
Surface area
2.7705129321204E+19
Volume
6.0314685868565E+28
Height
3770713327.3316