389090289987

Names of 389090289987

• Cardinal: 389090289987 can be written as Three hundred eighty-nine billion, ninety million, two hundred eighty-nine thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 3.89090289987 × 10¹¹

Factors of 389090289987

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 15841

Divisors of 389090289987

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 31 49 63 67 81 93 147 189 201 217 243 279 441 469 567 603 651 837 1323 1407 1519 1701 1809 1953 2077 2511 3283 3969 4221 4557 5427 5859 6231 7533 9849 11907 12663 13671 14539 15733 16281 17577 18693 29547 37989 41013 43617 47199 52731 56079 88641 101773 110131 113967 123039 130851 141597 168237 265923 305319 330393 369117 392553 424791 487723 504711 770917 797769 915957 991179 1054111 1177659 1274373 1463169 2312751 2747871 2973537 3162333 3414061 3532977 3823119 4389507 6938253 7378777 8243613 8920611 9486999 10242183 13168521 20814759 22136331 23898427 24730839 26761833 28460997 30726549 32677441 39505563 51651439 62444277 66408993 71695281 85382991 92179647 98032323 118516689 154954317 187332831 199226979 215085843 228742087 256148973 276538941 294096969 464862951 597680937 645257529 686226261 829616823 882290907 1394588853 1601194609 1793042811 1935772587 2058678783 2646872721 4183766559 4803583827 5807317761 6176036349 7940618163 12551299677 14410751481 18528109047 43232254443 55584327141 129696763329 389090289987
• Sum of all divisors σ(n): 710353093632
• Sum of proper divisors (its aliquot sum) s(n): 321262803645
• 389090289987 is a deficient number, because the sum of its proper divisors (321262803645) is less than itself. Its deficiency is 67827486342

Bases of 389090289987

• Binary: 101101010010111100101101010100101000011₂
• Hexadecimal: 0x5A9796A943
• Base-36: 4YQUB96R

Squares and roots of 389090289987

• 389090289987 squared (389090289987²) is 151391253762167752460169
• 389090289987 cubed (389090289987³) is 58904866827817355534467188877027803
• The square root of 389090289987 is 623771.0236833705
• The cube root of 389090289987 is 7300.4584061107

Scales and comparisons

• 389,090,289,987 seconds is equal to 12,371 years, 45 weeks, 20 hours, 6 minutes, 27 seconds.
• To count from 1 to 389,090,289,987 would take you about twenty-four thousand, seven hundred forty-three 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 389090289987 cubic inches would be around 608.4 feet tall.

Recreational maths with 389090289987

• 389090289987 backwards is 789982090983
• The number of decimal digits it has is: 12
• The sum of 389090289987's digits is 72
• More coming soon!