91997989 (number)

91997989 is an odd 8-digits prime number following 91997988 and preceding 91997990. In scientific notation, it is written as 9.1997989 × 10^7. The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors. There are 91997988 positive integers (up to 91997989) that are relatively prime to 91997989.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 9.1997989 × 10^7
Engineering notation 9.1997989 × 10^6

Prime Factorization of 91997989

Prime Factorization 91997989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 91997989
Product of the distinct prime numbers

The prime factorization of 91997989 is 91997989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 4, 92, 42, 281, 374, 1422, 4314, 74024, 65865, 732041, 850216, 3848493, 5861331, 86759948, 18078339, 137058956, 164381443, 7686607917, 132424393

Basic calculations (n = 91997989)

Multiplication

n×y
n×2 183995978
n×3 275993967
n×4 367991956
n×5 459989945

Division

n÷y
n÷2 45998994.5
n÷3 30665996.333333
n÷3 22999497.25
n÷5 18399597.8

Exponentiation

ny
n2 8463629980044121
n3 7.7863693780417E+23
n4 7.1633032439102E+31
n5 6.5900949303691E+39

Nth Root

y√n
2√n 9591.5582154309
3√n 451.43245425793
4√n 97.936500935202
5√n 39.152154592582

Divisors of 91997989

1, 91997989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 91997990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 45998995
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9591.5582675601
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999782604
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91997989 can be divided by 2 positive divisors. The sum of these divisors (counting 91997989) is 91997990, the average is 45998995.

Base conversion 91997989

Base System Value
2 Binary 101011110111100011100100101
3 Ternary 20102002222111221
4 Quaternary 11132330130211
5 Quinary 142022413424
6 Senary 13043500341
8 Octal 536743445
10 Decimal 91997989
12 Duodecimal 269876b1
16 Hexadecimal 57bc725
20 Vigesimal 18ejej9
36 Base36 1iru3p

Cryptographic Hash Functions

md5 6afaccb57dbfed75fd7b2a11730809a3
sha1 6284a8e508558dd35fbfdac9744c4e0c7e645491
sha256 f9cfed4e63e70d2258d29273e80d189180ac70eab3455ffbef2d526fdc59c68a
sha512 25361c754879996be0a1d466072c101f54c15a3a859e0bb69ae0591b1bd52cd8909450b863179ccba62e0dbc33420c4e18df85c2c66eead264c3995f64a2febd
ripemd-160 2f4168ba347f6b3605706e918eec0ea172554f62

91997989 as geometric shapes

Circle

Radius = n
Diameter 183995978
Circumference 578040412.77487
Area 2.6589277768009E+16

Sphere

Radius = n
Volume 3.261546778159E+24
Surface area 1.0635711107204E+17
Circumference 578040412.77487

Square

Length = n
Perimeter 367991956
Area 8463629980044121
Diagonal 130104803.75485

Cube

Length = n
Surface area 50781779880264726
Volume 7.7863693780417E+23
Space diagonal 159345191.14216

Equilateral Triangle

Length = n
Perimeter 275993967
Area 3.6648592854749E+15
Altitude 79672595.571081

Triangular Pyramid

Length = n
Surface area 3.6648592854749E+15
Volume 9.1763243133943E+22
Height 43368267.918284