80491990 (number)

80491990 is an even 8-digits composite number following 80491989 and preceding 80491991. In scientific notation, it is written as 8.0491990 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 31288320 positive integers (up to 80491990) that are relatively prime to 80491990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.0491990 × 10^7
Engineering notation 8.0491990 × 10^6

Prime Factorization of 80491990

Prime Factorization 2 × 5 × 71 × 73 × 1553

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80491990
Product of the distinct prime numbers

The prime factorization of 80491990 is 2 × 5 × 71 × 73 × 1553. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 6, 28, 487, 666, 1303, 4445, 87473, 18265, 534777, 656376, 4578115, 2752577, 31016937, 38348431, 565115506, 137876956, 2797477364, 3030890779

Basic calculations (n = 80491990)

Multiplication

n×y
n×2 160983980
n×3 241475970
n×4 321967960
n×5 402459950

Division

n÷y
n÷2 40245995
n÷3 26830663.333333
n÷3 20122997.5
n÷5 16098398

Exponentiation

ny
n2 6478960454160100
n3 5.2150442008665E+23
n4 4.197692856657E+31
n5 3.3788065144111E+39

Nth Root

y√n
2√n 8971.7328315103
3√n 431.7684337082
4√n 94.719231582136
5√n 38.119792935791

Divisors of 80491990

1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 710, 730, 1553, 3106, 5183, 7765, 10366, 15530, 25915, 51830, 110263, 113369, 220526, 226738, 551315, 566845, 1102630, 1133690, 8049199, 16098398, 40245995, 80491990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80491989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80491990 can be divided by 32 positive divisors. The sum of these divisors (counting 80491990) is 1, the average is 0.03125.

Base conversion 80491990

Base System Value
2 Binary 100110011000011010111010110
3 Ternary 12121110102020211
4 Quaternary 10303003113112
5 Quinary 131101220430
6 Senary 11553120034
8 Octal 463032726
10 Decimal 80491990
12 Duodecimal 22b5901a
16 Hexadecimal 4cc35d6
20 Vigesimal 15319ja
36 Base36 1bx80m

Cryptographic Hash Functions

md5 a76ce41461614731067e3698e94a06c4
sha1 2f21bb85c64289a42ba6a2c199388949599c8c78
sha256 a4abae315dd5d17e904a84f170923cdcc6b11c6846fc1e8589d9fa48bd85fd68
sha512 6fd2c0e90463328f81e8fd2a555b755feb9dfb6c0cceee7da1d8c20e9882ef09affa07fb062001f00e9aec20a90f2c67879788794ded2adc4452f1aadfd58d58
ripemd-160 9bca72d5e85fd0f7eb57dfe15d88d9ed9218b8ef

80491990 as geometric shapes

Circle

Radius = n
Diameter 160983980
Circumference 505746088.91365
Area 2.0354254565688E+16

Sphere

Radius = n
Volume 2.1844726066118E+24
Surface area 8.1417018262753E+16
Circumference 505746088.91365

Square

Length = n
Perimeter 321967960
Area 6478960454160100
Diagonal 113832863.9204

Cube

Length = n
Surface area 38873762724960600
Volume 5.2150442008665E+23
Space diagonal 139416216.28233

Equilateral Triangle

Length = n
Perimeter 241475970
Area 2.8054721717087E+15
Altitude 69708108.141163

Triangular Pyramid

Length = n
Surface area 2.8054721717087E+15
Volume 6.1459885310338E+22
Height 37944287.973467