18471471984

Names of 18471471984

• Cardinal: 18471471984 can be written as Eighteen billion, four hundred seventy-one million, four hundred seventy-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8471471984 × 10¹⁰

Factors of 18471471984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 31

Divisors of 18471471984

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 36 38 42 48 49 54 56 57 63 72 76 81 84 98 108 112 114 126 133 144 147 152 162 168 171 189 196 216 228 243 252 266 294 304 324 336 342 343 378 392 399 432 441 456 486 504 513 532 567 588 648 684 686 729 756 784 798 882 912 931 972 1008 1026 1029 1064 1134 1176 1197 1296 1323 1368 1372 1458 1512 1539 1596 1701 1764 1862 1944 2052 2058 2128 2187 2268 2352 2394 2646 2736 2744 2793 2916 3024 3078 3087 3192 3402 3528 3591 3724 3888 3969 4104 4116 4374 4536 4617 4788 5103 5292 5488 5586 5832 6156 6174 6384 6517 6561 6804 7056 7182 7448 7938 8208 8232 8379 8748 9072 9234 9261 9576 10206 10584 10773 11172 11664 11907 12312 12348 13034 13122 13608 13851 14364 14896 15309 15876 16464 16758 17496 18468 18522 19152 19551 19683 20412 21168 21546 22344 23814 24624 24696 25137 26068 26244 27216 27702 27783 28728 30618 31752 32319 33516 34992 35721 36936 37044 39102 39366 40824 41553 43092 44688 45927 47628 49392 50274 52136 52488 55404 55566 57456 58653 59049 61236 63504 64638 67032 71442 73872 74088 75411 78204 78732 81648 83106 83349 86184 91854 95256 96957 100548 104272 104976 107163 110808 111132 117306 118098 122472 124659 129276 134064 137781 142884 148176 150822 156408 157464 166212 166698 172368 175959 177147 183708 190512 193914 201096 214326 221616 222264 226233 234612 236196 244944 249318 250047 258552 275562 285768 290871 301644 312816 314928 321489 332424 333396 351918 354294 367416 373977 387828 402192 413343 428652 444528 452466 469224 472392 498636 500094 517104 527877 551124 571536 581742 603288 642978 664848 666792 678699 703836 708588 734832 747954 750141 775656 826686 857304 872613 904932 938448 944784 964467 997272 1000188 1055754 1102248 1121931 1163484 1206576 1240029 1285956 1333584 1357398 1407672 1417176 1495908 1500282 1551312 1583631 1653372 1714608 1745226 1809864 1928934 1994544 2000376 2036097 2111508 2204496 2243862 2250423 2326968 2480058 2571912 2617839 2714796 2815344 2834352 2893401 2991816 3000564 3167262 3306744 3365793 3490452 3619728 3857868 4000752 4072194 4223016 4487724 4500846 4653936 4750893 4960116 5143824 5235678 5429592 5786802 5983632 6001128 6108291 6334524 6613488 6731586 6751269 6980904 7715736 7853517 8144388 8446032 8680203 8975448 9001692 9501786 9920232 10471356 10859184 11573604 12002256 12216582 12669048 13463172 13502538 13961808 14252679 15431472 15707034 16288776 17360406 17950896 18003384 18324873 19003572 19840464 20253807 20942712 23147208 23560551 24433164 25338096 26926344 27005076 28505358 31414068 32577552 34720812 36006768 36649746 38007144 40507614 41885424 42758037 46294416 47121102 48866328 53852688 54010152 54974619 57010716 60761421 62828136 69441624 73299492 76014288 81015228 85516074 94242204 97732656 108020304 109949238 114021432 121522842 125656272 128274111 138883248 146598984 162030456 164923857 171032148 188484408 219898476 228042864 243045684 256548222 293197968 324060912 329847714 342064296 376968816 384822333 439796952 486091368 513096444 659695428 684128592 769644666 879593904 972182736 1026192888 1154466999 1319390856 1539289332 2052385776 2308933998 2638781712 3078578664 4617867996 6157157328 9235735992 18471471984
• Sum of all divisors σ(n): 65898560000
• Sum of proper divisors (its aliquot sum) s(n): 47427088016
• 18471471984 is an abundant number, because the sum of its proper divisors (47427088016) is greater than itself. Its abundance is 28955616032

Bases of 18471471984

• Binary: 10001001100111111000100101101110000₂
• Hexadecimal: 0x44CFC4B70
• Base-36: 8HHFR00

Squares and roots of 18471471984

• 18471471984 squared (18471471984²) is 341195277255696896256
• 18471471984 cubed (18471471984³) is 6302379004901717623588458491904
• The square root of 18471471984 is 135909.7935544013
• The cube root of 18471471984 is 2643.4260684143

Scales and comparisons

• 18,471,471,984 seconds is equal to 587 years, 17 weeks, 3 days, 4 hours, 26 minutes, 24 seconds.
• To count from 1 to 18,471,471,984 would take you about one thousand, one hundred seventy-four 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 18471471984 cubic inches would be around 220.3 feet tall.

Recreational maths with 18471471984

• 18471471984 backwards is 48917417481
• 18471471984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18471471984's digits is 54
• More coming soon!