16446812978

Names of 16446812978

• Cardinal: 16446812978 can be written as Sixteen billion, four hundred forty-six million, eight hundred twelve thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.6446812978 × 10¹⁰

Factors of 16446812978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 143

Divisors of 16446812978

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 29 53 58 59 106 118 841 1537 1682 1711 2809 3074 3127 3422 3481 5618 6254 6962 44573 49619 81461 89146 90683 99238 100949 162922 165731 181366 184493 201898 331462 368986 2362369 2629807 2927521 4724738 4806199 5259614 5350297 5855042 9612398 9778129 10700594 19556258 139379771 155158613 278759542 283565741 310317226 567131482 8223406489 16446812978
• Sum of all divisors σ(n): 26490288279
• Sum of proper divisors (its aliquot sum) s(n): 10043475301
• 16446812978 is a deficient number, because the sum of its proper divisors (10043475301) is less than itself. Its deficiency is 6403337677

Bases of 16446812978

• Binary: 1111010100010011100111001100110010₂
• Hexadecimal: 0x3D44E7332
• Base-36: 7K00A42

Squares and roots of 16446812978

• 16446812978 squared (16446812978²) is 270497657133309228484
• 16446812978 cubed (16446812978³) is 4448824377858704495117818465352
• The square root of 16446812978 is 128245.1284766795
• The cube root of 16446812978 is 2543.0832923975

Scales and comparisons

• 16,446,812,978 seconds is equal to 522 years, 49 weeks, 5 days, 15 hours, 9 minutes, 38 seconds.
• To count from 1 to 16,446,812,978 would take you about one thousand and forty-five 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 16446812978 cubic inches would be around 211.9 feet tall.

Recreational maths with 16446812978

• 16446812978 backwards is 87921864461
• The number of decimal digits it has is: 11
• The sum of 16446812978's digits is 56
• More coming soon!