1998004866

Names of 1998004866

• Cardinal: 1998004866 can be written as One billion, nine hundred ninety-eight million, four thousand, eight hundred sixty-six.

Scientific notation

• Scientific notation: 1.998004866 × 10⁹

Factors of 1998004866

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 344

Divisors of 1998004866

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 11 13 17 22 26 33 34 39 41 51 66 78 82 102 123 143 169 187 221 246 257 286 338 374 429 442 451 507 514 533 561 663 697 771 858 902 1014 1066 1122 1326 1353 1394 1542 1599 1859 2091 2431 2706 2827 2873 3198 3341 3718 4182 4369 4862 5577 5654 5746 5863 6682 6929 7293 7667 8481 8619 8738 9061 10023 10537 11154 11726 13107 13858 14586 15334 16962 17238 17589 18122 20046 20787 21074 23001 26214 27183 31603 31611 35178 36751 41574 43433 46002 48059 54366 56797 63206 63222 73502 76219 86866 94809 96118 99671 110253 113594 115907 117793 130299 136981 144177 152438 170391 179129 189618 199342 220506 228657 231814 235586 260598 273962 288354 299013 340782 347721 353379 358258 410943 457314 477763 537387 598026 624767 695442 706758 738361 821886 955526 1074774 1249534 1295723 1433289 1476722 1506791 1780753 1874301 1970419 2215083 2328677 2591446 2866578 3013582 3561506 3748602 3887169 3940838 4430166 4520373 4657354 5342259 5911257 6986031 7774338 8121971 9040746 10684518 11822514 13972062 16243942 19588283 24365913 25615447 30272801 39176566 48731826 51230894 58764849 60545602 76846341 90818403 117529698 153692682 181636806 333000811 666001622 999002433 1998004866
• Sum of all divisors σ(n): 5139904896
• Sum of proper divisors (its aliquot sum) s(n): 3141900030
• 1998004866 is an abundant number, because the sum of its proper divisors (3141900030) is greater than itself. Its abundance is 1143895164

Bases of 1998004866

• Binary: 1110111000101110010001010000010₂
• Hexadecimal: 0x77172282
• Base-36: X1K6F6

Squares and roots of 1998004866

• 1998004866 squared (1998004866²) is 3992023444559677956
• 1998004866 cubed (1998004866³) is 7976082267416317783480933896
• The square root of 1998004866 is 44699.0477079771
• The cube root of 1998004866 is 1259.5019586195

Scales and comparisons

• 1,998,004,866 seconds is equal to 63 years, 27 weeks, 4 days, 1 hour, 21 minutes, 6 seconds.
• To count from 1 to 1,998,004,866 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 1998004866 cubic inches would be around 105 feet tall.

Recreational maths with 1998004866

• 1998004866 backwards is 6684008991
• 1998004866 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1998004866's digits is 51
• More coming soon!