66881490 (number)

66881490 is an even 8-digits composite number following 66881489 and preceding 66881491. In scientific notation, it is written as 6.6881490 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 16463040 positive integers (up to 66881490) that are relatively prime to 66881490.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eighty-one thousand four hundred ninety

Notation

Scientific notation 6.6881490 × 10^7
Engineering notation 6.6881490 × 10^6

Prime Factorization of 66881490

Prime Factorization 2 × 5 × 3 × 13 × 171491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66881490
Product of the distinct prime numbers

The prime factorization of 66881490 is 2 × 5 × 3 × 13 × 171491. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 87, 72, 640, 808, 4674, 9227, 21040, 53584, 223780, 153283, 4839385, 6049034, 1314154, 31876435, 659192455, 586474093, 1788285169, 9405371832

Basic calculations (n = 66881490)

Multiplication

n×y
n×2 133762980
n×3 200644470
n×4 267525960
n×5 334407450

Division

n÷y
n÷2 33440745
n÷3 22293830
n÷3 16720372.5
n÷5 13376298

Exponentiation

ny
n2 4473133704620100
n3 2.9916984713421E+23
n4 2.0008925139408E+31
n5 1.3382267266221E+39

Nth Root

y√n
2√n 8178.1104174497
3√n 405.91519902959
4√n 90.432905612115
5√n 36.733405073215

Divisors of 66881490

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 171491, 342982, 514473, 857455, 1028946, 1714910, 2229383, 2572365, 4458766, 5144730, 6688149, 11146915, 13376298, 22293830, 33440745, 66881490

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 -66881489
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 66881490 can be divided by 32 positive divisors. The sum of these divisors (counting 66881490) is 1, the average is 0.03125.

Base conversion 66881490

Base System Value
2 Binary 11111111001000011111010010
3 Ternary 11122211221011020
4 Quaternary 3333020133102
5 Quinary 114110201430
6 Senary 10345300310
8 Octal 377103722
10 Decimal 66881490
12 Duodecimal 1a494696
16 Hexadecimal 3fc87d2
20 Vigesimal 10i03ea
36 Base36 13ti36

Cryptographic Hash Functions

md5 f8b04ea9c19a49c6ca93ac533643f478
sha1 563906f787a73e59e5686453a4f3b3aba63f1a8a
sha256 ccc5dceb5ef1debdc3ef3febca65d7ec76e73737a094140d30e656e12ba21284
sha512 5afaded50aa094589bb7587298ea39feb8184636b7e3c232744c34c8eb45726ec275674ee75062dc0ef87519d86907904c4dcca367596d7ad82aa7593fff853e
ripemd-160 3107be6646908b7dc41fe8a73df69350f9cbb595

66881490 as geometric shapes

Circle

Radius = n
Diameter 133762980
Circumference 420228795.29028
Area 1.4052763984959E+16

Sphere

Radius = n
Volume 1.2531597252432E+24
Surface area 5.6211055939838E+16
Circumference 420228795.29028

Square

Length = n
Perimeter 267525960
Area 4473133704620100
Diagonal 94584710.229721

Cube

Length = n
Surface area 26838802227720600
Volume 2.9916984713421E+23
Space diagonal 115842138.76591

Equilateral Triangle

Length = n
Perimeter 200644470
Area 1.9369237113627E+15
Altitude 57921069.382955

Triangular Pyramid

Length = n
Surface area 1.9369237113627E+15
Volume 3.5257504605857E+22
Height 31528236.74324