1998393681785832

Names of 1998393681785832

• Cardinal: 1998393681785832 can be written as One quadrillion, nine hundred ninety-eight trillion, three hundred ninety-three billion, six hundred eighty-one million, seven hundred eighty-five thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.998393681785832 × 10¹⁵

Factors of 1998393681785832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 46340306

Divisors of 1998393681785832

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 139 186 248 278 279 372 417 556 558 744 834 1112 1116 1251 1668 2232 2502 3336 4309 5004 8618 10008 12927 17236 19321 25854 34472 38642 38781 51708 57963 77284 77562 103416 115926 154568 155124 173889 231852 310248 347778 463704 598951 695556 1197902 1391112 1796853 2395804 3593706 4791608 5390559 7187412 10781118 14374824 21562236 43124472 46340131 92680262 139020393 185360524 278040786 370721048 417061179 556081572 834122358 1112163144 1436544061 1668244716 2873088122 3336489432 4309632183 5746176244 6441278209 8619264366 11492352488 12882556418 12928896549 17238528732 19323834627 25765112836 25857793098 34477057464 38647669254 51530225672 51715586196 57971503881 77295338508 103431172392 115943007762 154590677016 199679624479 231886015524 399359248958 463772031048 599038873437 798718497916 895337671051 1198077746874 1597436995832 1790675342102 1797116620311 2396155493748 2686013013153 3581350684204 3594233240622 4792310987496 5372026026306 7162701368408 7188466481244 8058039039459 10744052052612 14376932962488 16116078078918 21488104105224 27755467802581 32232156157836 55510935605162 64464312315672 83266403407743 111021871210324 166532806815486 222043742420648 249799210223229 333065613630972 499598420446458 666131227261944 999196840892916 1998393681785832
• Sum of all divisors σ(n): 5627389927236480
• Sum of proper divisors (its aliquot sum) s(n): 3628996245450648
• 1998393681785832 is an abundant number, because the sum of its proper divisors (3628996245450648) is greater than itself. Its abundance is 1630602563664816

Bases of 1998393681785832

• Binary: 111000110011000011101001001100001100011001111101000₂
• Hexadecimal: 0x71987498633E8
• Base-36: JODDDT50Q0

Squares and roots of 1998393681785832

• 1998393681785832 squared (1998393681785832²) is 3993577307401533167872715932224
• 1998393681785832 cubed (1998393681785832³) is 7980739658834499255018709343640217982995450368
• The square root of 1998393681785832 is 44703396.7589246175
• The cube root of 1998393681785832 is 125958.3653862703

Scales and comparisons

• 1,998,393,681,785,832 seconds is equal to 63,542,737 years, 33 weeks, 3 days, 3 hours, 37 minutes, 12 seconds.
• To count from 1 to 1,998,393,681,785,832 would take you about one hundred ninety million, six hundred twenty-eight thousand, two hundred twelve years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1998393681785832 cubic inches would be around 10496.5 feet tall.

Recreational maths with 1998393681785832

• 1998393681785832 backwards is 2385871863938991
• The number of decimal digits it has is: 16
• The sum of 1998393681785832's digits is 90
• More coming soon!