990807891 (number)

990807891 is an odd 9-digits composite number following 990807890 and preceding 990807892. In scientific notation, it is written as 9.90807891 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 659224392 positive integers (up to 990807891) that are relatively prime to 990807891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.90807891 × 10^8
Engineering notation 9.90807891 × 10^6

Prime Factorization of 990807891

Prime Factorization 3 × 503 × 656599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 990807891
Product of the distinct prime numbers

The prime factorization of 990807891 is 3 × 503 × 656599. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 19, 3, 98, 893, 1249, 8452, 92973, 8086, 859448, 616276, 5982658, 8708018, 70612330, 26896901, 793533478, 192415196, 6275708207, 4039006987

Basic calculations (n = 990807891)

Multiplication

n×y
n×2 1981615782
n×3 2972423673
n×4 3963231564
n×5 4954039455

Division

n÷y
n÷2 495403945.5
n÷3 330269297
n÷3 247701972.75
n÷5 198161578.2

Exponentiation

ny
n2 981700276867867881
n3 9.7267638091757E+26
n4 9.6373543360245E+35
n5 9.5487667244961E+44

Nth Root

y√n
2√n 31477.101057753
3√n 996.92652710864
4√n 177.41787130318
5√n 62.979309005554

Divisors of 990807891

1, 3, 503, 1509, 656599, 1969797, 330269297, 990807891

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990807890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990807891 can be divided by 8 positive divisors. The sum of these divisors (counting 990807891) is 1, the average is 0.125.

Base conversion 990807891

Base System Value
2 Binary 111011000011101000011101010011
3 Ternary 2120001101020220120
4 Quaternary 323003220131103
5 Quinary 4012121323031
6 Senary 242152241323
8 Octal 7303503523
10 Decimal 990807891
12 Duodecimal 2379a0243
16 Hexadecimal 3b0e8753
20 Vigesimal f9cajeb
36 Base36 gdwg9f

Cryptographic Hash Functions

md5 0b45d9074d376026025aec25773406f2
sha1 a01138766f09969e218417a5165c5d23dd83867b
sha256 72bd6b636fe6a07d6fa12d6eb8b59f89655ccb2c9e5f6812610662a93d059bb8
sha512 a5086b0dad75d5625355ab8d0b0fc03ed94afb427ea742753f77ec907b8113e1cb5bba0a2d20fba357e105169cc75dfe5fc593a9f137b435bdf4d33bb606c2cc
ripemd-160 5f518f624c1cf301fd3d0fe2ad831433764254ba

990807891 as geometric shapes

Circle

Radius = n
Diameter 1981615782
Circumference 6225429582.9688
Area 3.0841023778352E+18

Sphere

Radius = n
Volume 4.0743372968146E+27
Surface area 1.2336409511341E+19
Circumference 6225429582.9688

Square

Length = n
Perimeter 3963231564
Area 981700276867867881
Diagonal 1401213957.1585

Cube

Length = n
Surface area 5890201661207207286
Volume 9.7267638091757E+26
Space diagonal 1716129607.7522

Equilateral Triangle

Length = n
Perimeter 2972423673
Area 4.250886893349E+17
Altitude 858064803.87608

Triangular Pyramid

Length = n
Surface area 4.250886893349E+17
Volume 1.146310108078E+26
Height 467071319.05283