27198990

Names of 27198990

• Cardinal: 27198990 can be written as Twenty-seven million, one hundred ninety-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.719899 × 10⁷

Factors of 27198990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 71

Divisors of 27198990

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 41 42 45 54 63 65 70 78 81 82 90 91 105 117 123 126 130 135 162 182 189 195 205 210 234 243 246 270 273 287 315 351 369 378 390 405 410 455 486 533 546 567 574 585 615 630 702 729 738 810 819 861 910 945 1053 1066 1107 1134 1170 1215 1230 1365 1435 1458 1599 1638 1701 1722 1755 1845 1890 2106 2214 2430 2457 2583 2665 2730 2835 2870 3159 3198 3321 3402 3510 3645 3690 3731 4095 4305 4797 4914 5103 5166 5265 5330 5535 5670 6318 6642 7290 7371 7462 7749 7995 8190 8505 8610 9477 9594 9963 10206 10530 11070 11193 12285 12915 14391 14742 15498 15795 15990 16605 17010 18655 18954 19926 22113 22386 23247 23985 24570 25515 25830 28782 29889 31590 33210 33579 36855 37310 38745 43173 44226 46494 47385 47970 49815 51030 55965 59778 66339 67158 69741 71955 73710 77490 86346 94770 99630 100737 110565 111930 116235 129519 132678 139482 143910 149445 167895 201474 209223 215865 221130 232470 259038 298890 302211 331695 335790 348705 388557 418446 431730 503685 604422 647595 663390 697410 777114 906633 1007370 1046115 1295190 1511055 1813266 1942785 2092230 2719899 3022110 3885570 4533165 5439798 9066330 13599495 27198990
• Sum of all divisors σ(n): 92546496
• Sum of proper divisors (its aliquot sum) s(n): 65347506
• 27198990 is an abundant number, because the sum of its proper divisors (65347506) is greater than itself. Its abundance is 38148516

Bases of 27198990

• Binary: 1100111110000011000001110₂
• Hexadecimal: 0x19F060E
• Base-36: G6YVI

Squares and roots of 27198990

• 27198990 squared (27198990²) is 739785057020100
• 27198990 cubed (27198990³) is 20121406368039129699000
• The square root of 27198990 is 5215.2650939333
• The cube root of 27198990 is 300.7351968135

Scales and comparisons

• 27,198,990 seconds is equal to 44 weeks, 6 days, 19 hours, 16 minutes, 30 seconds.
• To count from 1 to 27,198,990 would take you about fifteen weeks!

  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 27198990 cubic inches would be around 25.1 feet tall.

Recreational maths with 27198990

• 27198990 backwards is 09989172
• 27198990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 27198990's digits is 45
• More coming soon!