18197199384

Names of 18197199384

• Cardinal: 18197199384 can be written as Eighteen billion, one hundred ninety-seven million, one hundred ninety-nine thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.8197199384 × 10¹⁰

Factors of 18197199384

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 184

Divisors of 18197199384

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 19 21 24 26 28 38 39 42 49 52 56 57 61 76 78 79 84 91 98 104 114 122 133 147 152 156 158 168 169 182 183 196 228 237 244 247 266 273 294 312 316 338 364 366 392 399 427 456 474 488 494 507 532 546 553 588 632 637 676 728 732 741 793 798 854 931 948 988 1014 1027 1064 1092 1106 1159 1176 1183 1274 1281 1352 1464 1482 1501 1586 1596 1659 1708 1729 1862 1896 1911 1976 2028 2054 2184 2212 2318 2366 2379 2548 2562 2793 2964 2989 3002 3081 3172 3192 3211 3318 3416 3458 3477 3549 3724 3822 3871 4056 4108 4424 4503 4636 4732 4758 4819 5096 5124 5187 5551 5586 5928 5978 6004 6162 6344 6422 6636 6916 6954 7098 7189 7448 7644 7742 8113 8216 8281 8967 9006 9272 9464 9516 9633 9638 10248 10309 10374 10507 11102 11172 11613 11956 12008 12103 12324 12844 13272 13351 13832 13908 14196 14378 14457 15067 15288 15484 16226 16562 16653 17934 18012 19032 19266 19276 19513 20618 20748 21014 21567 22204 22344 22477 23226 23912 24206 24339 24648 24843 25688 26702 27816 28392 28756 28914 30134 30927 30968 31521 32452 33124 33306 33733 35868 36024 36309 38532 38552 38857 39026 40053 41236 41496 42028 43134 44408 44954 45201 46452 48412 48678 49686 50323 53404 56791 57512 57828 58539 60268 61854 62647 63042 64904 66248 66612 67431 67466 71736 72163 72618 73549 77064 77714 78052 80106 82472 84056 86268 89908 90402 91561 92904 93457 96824 97356 99372 100646 101199 105469 106808 113582 115656 116571 117078 120536 123708 125294 126084 133224 134862 134932 136591 144326 145236 147098 150969 155428 156104 157339 160212 170373 172536 179816 180804 183122 186914 187941 194712 195871 198744 201292 202398 210938 216489 220647 227164 233142 234156 236131 247416 250588 252168 253669 269724 269864 273182 274683 280371 288652 290472 294196 301938 310856 314678 316407 320424 340746 361608 366244 373828 375882 391742 402584 404796 409773 421876 432978 438529 441294 454328 466284 468312 472017 472262 501176 505141 507338 539448 546364 549366 560742 577304 587613 588392 603876 629356 632814 640927 654199 681492 708393 732488 738283 747656 751764 761007 783484 809592 814411 819546 843752 865956 877058 882588 932568 944034 944524 956137 1010282 1014676 1092728 1098732 1121484 1175226 1190293 1207752 1258712 1265628 1281854 1308398 1315587 1362984 1371097 1416786 1476566 1503528 1515423 1522014 1566968 1628822 1639092 1731912 1754116 1765176 1775683 1888068 1889048 1912274 1922781 1962597 2020564 2029352 2197464 2214849 2242968 2350452 2380586 2443233 2531256 2563708 2616796 2631174 2742194 2833572 2868411 2953132 3030846 3044028 3069703 3257644 3278184 3508232 3551366 3570879 3776136 3824548 3845562 3925194 4041128 4113291 4429698 4486489 4700904 4761172 4886466 5127416 5233592 5262348 5327049 5484388 5667144 5700877 5736822 5906264 6061692 6088056 6139406 6515288 7102732 7141758 7649096 7691124 7850388 8226582 8332051 8859396 8972978 9209109 9522344 9597679 9772932 10524696 10654098 10968776 11401754 11473644 12123384 12278812 12429781 13459467 14205464 14283516 15382248 15473809 15700776 16453164 16664102 17102631 17718792 17945956 18418218 19195358 19545864 21308196 22803508 22947288 24557624 24859562 24996153 26918934 28567032 28793037 30947618 32906328 33328204 34205262 35891912 36836436 37289343 38390716 39906139 42616392 45607016 46421427 49719124 49992306 53837868 57586074 58324357 61895236 66656408 68410524 73672872 74578686 76781432 79812278 92842854 99438248 99984612 107675736 108316663 115172148 116648714 119718417 123790472 136821048 149157372 159624556 174973071 185685708 199969224 216633326 230344296 233297428 239436834 298314744 319249112 324949989 349946142 371371416 433266652 466594856 478873668 649899978 699892284 758216641 866533304 957747336 1299799956 1399784568 1516433282 2274649923 2599599912 3032866564 4549299846 6065733128 9098599692 18197199384
• Sum of all divisors σ(n): 62085312000
• Sum of proper divisors (its aliquot sum) s(n): 43888112616
• 18197199384 is an abundant number, because the sum of its proper divisors (43888112616) is greater than itself. Its abundance is 25690913232

Bases of 18197199384

• Binary: 10000111100101000110011101000011000₂
• Hexadecimal: 0x43CA33A18
• Base-36: 8CY54WO

Squares and roots of 18197199384

• 18197199384 squared (18197199384²) is 331138065421049979456
• 18197199384 cubed (18197199384³) is 6025785400098882386789935855104
• The square root of 18197199384 is 134896.9954594987
• The cube root of 18197199384 is 2630.2771847591

Scales and comparisons

• 18,197,199,384 seconds is equal to 578 years, 31 weeks, 6 days, 17 hours, 36 minutes, 24 seconds.
• To count from 1 to 18,197,199,384 would take you about one thousand, one hundred fifty-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 18197199384 cubic inches would be around 219.2 feet tall.

Recreational maths with 18197199384

• 18197199384 backwards is 48399179181
• The number of decimal digits it has is: 11
• The sum of 18197199384's digits is 60
• More coming soon!