1998272430

Names of 1998272430

• Cardinal: 1998272430 can be written as One billion, nine hundred ninety-eight million, two hundred seventy-two thousand, four hundred thirty.

Scientific notation

• Scientific notation: 1.99827243 × 10⁹

Factors of 1998272430

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 250

Divisors of 1998272430

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 23 27 30 33 35 42 45 46 49 54 55 63 66 69 70 77 81 90 98 99 105 110 115 126 135 138 147 154 161 162 165 189 198 199 207 210 230 231 245 253 270 294 297 315 322 330 345 378 385 398 405 414 441 462 483 490 495 506 539 567 594 597 621 630 690 693 735 759 770 805 810 882 891 945 966 990 995 1035 1078 1127 1134 1155 1194 1242 1265 1323 1386 1393 1449 1470 1485 1518 1610 1617 1771 1782 1791 1863 1890 1990 2070 2079 2189 2205 2254 2277 2310 2415 2530 2646 2695 2786 2835 2898 2970 2985 3105 3234 3381 3465 3542 3582 3726 3795 3969 4158 4179 4347 4378 4410 4455 4554 4577 4830 4851 5313 5373 5390 5635 5670 5970 6210 6237 6567 6615 6762 6831 6930 6965 7245 7590 7938 8085 8358 8694 8855 8910 8955 9154 9315 9702 9751 10143 10395 10626 10746 10945 11270 11385 12397 12474 12537 13041 13134 13230 13662 13731 13930 14490 14553 15323 15939 16119 16170 16905 17710 17910 18630 19502 19701 19845 20286 20493 20790 20895 21735 21890 22770 22885 24255 24794 25074 26082 26565 26865 27462 29106 29253 30429 30646 31185 31878 32039 32238 32835 33810 34155 37191 37611 39402 39690 40986 41193 41790 43470 43659 45770 45969 47817 48510 48755 50347 50715 53130 53730 58506 59103 60858 61985 62370 62685 64078 65205 65670 68310 68655 72765 74382 75222 76615 79695 80595 82386 87318 87759 91287 91938 95634 96117 97510 98505 100694 101430 102465 107261 111573 112833 118206 123579 123970 125370 130410 137310 137907 143451 145530 146265 151041 152145 153230 159390 160195 161190 175518 177309 182574 185955 188055 192234 197010 204930 205965 214522 218295 223146 224273 225666 229845 239085 247158 251735 263277 275814 286902 288351 292530 295515 302082 304290 320390 321783 334719 352429 354618 370737 371910 376110 411930 413721 436590 438795 448546 453123 456435 459690 478170 480585 503470 526554 536305 557865 564165 576702 591030 617895 643566 669438 672819 689535 704858 717255 741474 755205 789831 827442 865053 877590 886545 906246 912870 961170 965349 1004157 1057287 1072610 1115730 1121365 1128330 1235790 1241163 1316385 1345638 1359369 1379070 1434510 1441755 1510410 1579662 1608915 1673595 1730106 1762145 1773090 1853685 1930698 2008314 2018457 2068605 2114574 2242730 2265615 2467003 2482326 2595159 2632770 2718738 2883510 2896047 3171861 3217830 3347190 3364095 3524290 3707370 3949155 4036914 4078107 4137210 4325265 4531230 4826745 4934006 5020785 5190318 5286435 5792094 6055371 6205815 6343722 6728190 6796845 7401009 7898310 8156214 8650530 8688141 9515583 9653490 10041570 10092285 10572870 12110742 12335015 12411630 12975795 13593690 14480235 14802018 15859305 17376282 18166113 19031166 20184570 20390535 22203027 24670030 25951590 28546749 28960470 30276855 31718610 36332226 37005045 40781070 43440705 44406054 47577915 57093498 60553710 66609081 74010090 86881410 90830565 95155830 111015135 133218162 142733745 181661130 199827243 222030270 285467490 333045405 399654486 666090810 999136215 1998272430
• Sum of all divisors σ(n): 7150809600
• Sum of proper divisors (its aliquot sum) s(n): 5152537170
• 1998272430 is an abundant number, because the sum of its proper divisors (5152537170) is greater than itself. Its abundance is 3154264740

Bases of 1998272430

• Binary: 1110111000110110011011110101110₂
• Hexadecimal: 0x771B37AE
• Base-36: X1PWVI

Squares and roots of 1998272430

• 1998272430 squared (1998272430²) is 3993092704498104900
• 1998272430 cubed (1998272430³) is 7979287061832700008917907000
• The square root of 1998272430 is 44702.0405574511
• The cube root of 1998272430 is 1259.5581784259

Scales and comparisons

• 1,998,272,430 seconds is equal to 63 years, 28 weeks, 3 hours, 40 minutes, 30 seconds.
• To count from 1 to 1,998,272,430 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 1998272430 cubic inches would be around 105 feet tall.

Recreational maths with 1998272430

• 1998272430 backwards is 0342728991
• 1998272430 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1998272430's digits is 45
• More coming soon!