681997989 (number)

681997989 is an odd 9-digits composite number following 681997988 and preceding 681997990. In scientific notation, it is written as 6.81997989 × 10^8. The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors. There are 430735536 positive integers (up to 681997989) that are relatively prime to 681997989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.81997989 × 10^8
Engineering notation 6.81997989 × 10^6

Prime Factorization of 681997989

Prime Factorization 3 × 19 × 11964877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 681997989
Product of the distinct prime numbers

The prime factorization of 681997989 is 3 × 19 × 11964877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 79, 94, 539, 32, 1051, 4390, 83427, 65946, 35673, 745854, 8317121, 3044591, 17638464, 22605231, 506436167, 581554428, 4388678547, 6740885559

Basic calculations (n = 681997989)

Multiplication

n×y
n×2 1363995978
n×3 2045993967
n×4 2727991956
n×5 3409989945

Division

n÷y
n÷2 340998994.5
n÷3 227332663
n÷3 170499497.25
n÷5 136399597.8

Exponentiation

ny
n2 465121257000044121
n3 3.1721176191518E+26
n4 2.163377837133E+35
n5 1.4754193343719E+44

Nth Root

y√n
2√n 26115.091211788
3√n 880.22634888564
4√n 161.60164359247
5√n 58.446245614439

Divisors of 681997989

1, 3, 19, 57, 11964877, 35894631, 227332663, 681997989

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 -681997988
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 681997989 can be divided by 8 positive divisors. The sum of these divisors (counting 681997989) is 1, the average is 0.125.

Base conversion 681997989

Base System Value
2 Binary 101000101001100111011010100101
3 Ternary 1202112022002100210
4 Quaternary 220221213122211
5 Quinary 2344042413424
6 Senary 151401330033
8 Octal 5051473245
10 Decimal 681997989
12 Duodecimal 170496919
16 Hexadecimal 28a676a5
20 Vigesimal ad29ej9
36 Base36 ba1l0l

Cryptographic Hash Functions

md5 3fac7a1d4670117fd57b043b9f274b14
sha1 b75474e94a99d051cddc70aaa5ca081de0aa1d4e
sha256 1b468ddef576e67c667ad64241f5d7e2544bebcecea82d20386f292ea8b4d85a
sha512 ffe915966594c18cba58af65b256d426bb150bf780a4eea7be44b4660d86942ae46e3c03f23f44b46efe0870c2b3839cb7945f7f380ffb309bdf614bf892f7e7
ripemd-160 9218d89c01bc06151c75a771c86de694127ebca4

681997989 as geometric shapes

Circle

Radius = n
Diameter 1363995978
Circumference 4285119744.0108
Area 1.4612215240198E+18

Sphere

Radius = n
Volume 1.3287335211533E+27
Surface area 5.8448860960792E+18
Circumference 4285119744.0108

Square

Length = n
Perimeter 2727991956
Area 465121257000044121
Diagonal 964490805.55498

Cube

Length = n
Surface area 2790727542000264726
Volume 3.1721176191518E+26
Space diagonal 1181255167.6078

Equilateral Triangle

Length = n
Perimeter 2045993967
Area 2.0140341220109E+17
Altitude 590627583.8039

Triangular Pyramid

Length = n
Surface area 2.0140341220109E+17
Volume 3.7383764653726E+25
Height 321496935.18499