71997988 (number)

71997988 is an even 8-digits composite number following 71997987 and preceding 71997989. In scientific notation, it is written as 7.1997988 × 10^7. The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors. There are 35668512 positive integers (up to 71997988) that are relatively prime to 71997988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1997988 × 10^7
Engineering notation 7.1997988 × 10^6

Prime Factorization of 71997988

Prime Factorization 2 × 2 × 109 × 165133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 35998994
Product of the distinct prime numbers

The prime factorization of 71997988 is 2 × 2 × 109 × 165133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 85, 81, 692, 656, 6126, 271, 5788, 57268, 739747, 858142, 5345621, 70300, 83182286, 98588876, 79525221, 784277982, 1585495743, 8291833291

Basic calculations (n = 71997988)

Multiplication

n×y
n×2 143995976
n×3 215993964
n×4 287991952
n×5 359989940

Division

n÷y
n÷2 35998994
n÷3 23999329.333333
n÷3 17999497
n÷5 14399597.6

Exponentiation

ny
n2 5183710276048144
n3 3.7321671025039E+23
n4 2.6870852226007E+31
n5 1.9346472961178E+39

Nth Root

y√n
2√n 8485.1628151733
3√n 416.01288945516
4√n 92.114943495468
5√n 37.278984380319

Divisors of 71997988

1, 2, 4, 109, 218, 436, 165133, 330266, 660532, 17999497, 35998994, 71997988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71997987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71997988 can be divided by 12 positive divisors. The sum of these divisors (counting 71997988) is 1, the average is 0.083333333333333.

Base conversion 71997988

Base System Value
2 Binary 100010010101001101000100100
3 Ternary 12000110212200011
4 Quaternary 10102221220210
5 Quinary 121412413423
6 Senary 11051100004
8 Octal 422515044
10 Decimal 71997988
12 Duodecimal 20141604
16 Hexadecimal 44a9a24
20 Vigesimal 129jej8
36 Base36 16v604

Cryptographic Hash Functions

md5 3fcf0ff5b3e21520904de92f01a3aa25
sha1 e2b0d57553c4410ca16933b16738a5c8d2dd63d1
sha256 40944700f1f90da9a4083da56471d3c2f356567a815527a46eb443256f0de0ff
sha512 9048482b9e20248ea9eb0993e95dd2bae60db0e73daa054e37b8f3e19aac2cf8a82be62e16f151fbf8fa87e1b14be14c991d3d2dc0603fcf6a633ee4336a07ab
ripemd-160 0fccdae39957759231fd21ca44eb8b3ffe827d4f

71997988 as geometric shapes

Circle

Radius = n
Diameter 143995976
Circumference 452376700.34809
Area 1.6285106121571E+16

Sphere

Radius = n
Volume 1.5633265001594E+24
Surface area 6.5140424486283E+16
Circumference 452376700.34809

Square

Length = n
Perimeter 287991952
Area 5183710276048144
Diagonal 101820531.09318

Cube

Length = n
Surface area 31102261656288864
Volume 3.7321671025039E+23
Space diagonal 124704173.25873

Equilateral Triangle

Length = n
Perimeter 215993964
Area 2.2446123924581E+15
Altitude 62352086.629367

Triangular Pyramid

Length = n
Surface area 2.2446123924581E+15
Volume 4.3984011111698E+22
Height 33940177.031058