1998156006

Names of 1998156006

• Cardinal: 1998156006 can be written as One billion, nine hundred ninety-eight million, one hundred fifty-six thousand and six.

Scientific notation

• Scientific notation: 1.998156006 × 10⁹

Factors of 1998156006

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 102

Divisors of 1998156006

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 63 66 77 79 98 99 121 126 147 154 158 189 198 231 237 242 294 297 363 378 441 462 474 539 553 594 693 711 726 847 869 882 1078 1089 1106 1323 1386 1422 1617 1659 1694 1738 2079 2133 2178 2541 2607 2646 3234 3267 3318 3871 4158 4266 4851 4977 5082 5214 5929 6083 6241 6534 7623 7742 7821 9559 9702 9954 11613 11858 12166 12482 14553 14931 15246 15642 17787 18249 18723 19118 22869 23226 23463 28677 29106 29862 34839 35574 36498 37446 42581 43687 45738 46926 53361 54747 56169 57354 66913 68651 69678 85162 86031 87374 104517 106722 109494 112338 127743 131061 133826 137302 160083 164241 168507 172062 200739 205953 209034 255486 258093 262122 305809 320166 328482 337014 383229 393183 401478 411906 468391 480557 516186 602217 611618 617859 755161 766458 786366 917427 936782 961114 1149687 1179549 1204434 1235718 1405173 1441671 1510322 1806651 1834854 1853577 2265483 2299374 2359098 2752281 2810346 2883342 3363899 3613302 3707154 4215519 4325013 4530966 5286127 5504562 6727798 6796449 8256843 8431038 8650026 10091697 10572254 12646557 12975039 13592898 15858381 16513686 20183394 20389347 25293114 25950078 30275091 31716762 37002889 40778694 47575143 60550182 74005778 90825273 95150286 111008667 142725429 181650546 222017334 285450858 333026001 666052002 999078003 1998156006
• Sum of all divisors σ(n): 5750340120
• Sum of proper divisors (its aliquot sum) s(n): 3752184114
• 1998156006 is an abundant number, because the sum of its proper divisors (3752184114) is greater than itself. Its abundance is 1754028108

Bases of 1998156006

• Binary: 1110111000110010111000011100110₂
• Hexadecimal: 0x771970E6
• Base-36: X1NF1I

Squares and roots of 1998156006

• 1998156006 squared (1998156006²) is 3992627424313872036
• 1998156006 cubed (1998156006³) is 7977892467613073837848848216
• The square root of 1998156006 is 44700.7383160503
• The cube root of 1998156006 is 1259.5337163543

Scales and comparisons

• 1,998,156,006 seconds is equal to 63 years, 27 weeks, 5 days, 19 hours, 20 minutes, 6 seconds.
• To count from 1 to 1,998,156,006 would take you about one hundred twenty-seven 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 1998156006 cubic inches would be around 105 feet tall.

Recreational maths with 1998156006

• 1998156006 backwards is 6006518991
• The number of decimal digits it has is: 10
• The sum of 1998156006's digits is 45
• More coming soon!