18892442985984

Names of 18892442985984

• Cardinal: 18892442985984 can be written as Eighteen trillion, eight hundred ninety-two billion, four hundred forty-two million, nine hundred eighty-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8892442985984 × 10¹³

Factors of 18892442985984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 55558

Divisors of 18892442985984

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 81 92 96 108 128 138 144 162 184 192 207 216 256 276 288 324 359 368 384 414 432 512 552 576 621 648 718 736 768 828 864 1077 1104 1152 1242 1296 1436 1472 1536 1656 1728 1863 2154 2208 2304 2484 2592 2872 2944 3231 3312 3456 3726 4308 4416 4608 4968 5184 5744 5888 6462 6624 6912 7452 8257 8616 8832 9693 9936 10368 11488 11776 12924 13248 13824 14904 16514 17232 17664 19386 19872 20736 22976 24771 25848 26496 29079 29808 33028 34464 35328 38772 39744 41472 45952 49542 51696 52992 55171 58158 59616 66056 68928 74313 77544 79488 91904 99084 103392 105984 110342 116316 119232 132112 137856 148626 155088 158976 165513 183808 198168 206784 220684 222939 232632 238464 264224 275712 297252 310176 317952 331026 396336 413568 441368 445878 465264 476928 496539 528448 551424 594504 620352 662052 668817 792672 827136 882736 891756 930528 953856 993078 1056896 1189008 1240704 1268933 1324104 1337634 1489617 1585344 1654272 1765472 1783512 1861056 1986156 2113792 2378016 2481408 2537866 2648208 2675268 2979234 3170688 3530944 3567024 3722112 3806799 3972312 4227584 4468851 4756032 4962816 5075732 5296416 5350536 5958468 6341376 7061888 7134048 7444224 7613598 7944624 8937702 9512064 10151464 10592832 10701072 11420397 11916936 12682752 14123776 14268096 14888448 15227196 15889248 17875404 19024128 19806389 20302928 21185664 21402144 22840794 23833872 28247552 28536192 30454392 31778496 34261191 35750808 38048256 39612778 40605856 42371328 42804288 45681588 47667744 57072384 59419167 60908784 63556992 68522382 71501616 79225556 81211712 84742656 85608576 91363176 95335488 102783573 114144768 118838334 121817568 127113984 137044764 143003232 158451112 162423424 171217152 178257501 182726352 190670976 205567146 237676668 243635136 254227968 274089528 286006464 316902224 324846848 342434304 356515002 365452704 381341952 411134292 455546947 475353336 487270272 534772503 548179056 572012928 633804448 649693696 713030004 730905408 762683904 822268584 911093894 950706672 974540544 1069545006 1096358112 1144025856 1267608896 1366640841 1426060008 1461810816 1604317509 1644537168 1822187788 1901413344 1949081088 2139090012 2192716224 2288051712 2535217792 2733281682 2852120016 2923621632 3208635018 3289074336 3644375576 3802826688 4099922523 4278180024 4385432448 5070435584 5466563364 5704240032 5847243264 6417270036 6578148672 7288751152 7605653376 8199845046 8556360048 8770864896 10140871168 10933126728 11408480064 12299767569 12834540072 13156297344 14577502304 15211306752 16399690092 17112720096 17541729792 21866253456 22816960128 24599535138 25669080144 26312594688 29155004608 30422613504 32799380184 34225440192 36899302707 43732506912 45633920256 49199070276 51338160288 52625189376 58310009216 65598760368 68450880384 73798605414 87465013824 91267840512 98398140552 102676320576 116620018432 131197520736 136901760768 147597210828 174930027648 196796281104 205352641152 233240036864 262395041472 273803521536 295194421656 349860055296 393592562208 410705282304 524790082944 590388843312 699720110592 787185124416 821410564608 1049580165888 1180777686624 1574370248832 2099160331776 2361555373248 3148740497664 4723110746496 6297480995328 9446221492992 18892442985984
• Sum of all divisors σ(n): 59005633040640
• Sum of proper divisors (its aliquot sum) s(n): 40113190054656
• 18892442985984 is an abundant number, because the sum of its proper divisors (40113190054656) is greater than itself. Its abundance is 21220747068672

Bases of 18892442985984

• Binary: 100010010111010111101010110100110011000000000₂
• Hexadecimal: 0x112EBD5A6600
• Base-36: 6P32GRK00

Squares and roots of 18892442985984

• 18892442985984 squared (18892442985984²) is 356924401978656038020448256
• 18892442985984 cubed (18892442985984³) is 6743173914688193996774308482034805243904
• The square root of 18892442985984 is 4346543.7977758835
• The cube root of 18892442985984 is 26633.5693657779

Scales and comparisons

• 18,892,442,985,984 seconds is equal to 600,721 years, 12 weeks, 6 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 18,892,442,985,984 would take you about one million, five hundred one thousand, eight hundred three 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 18892442985984 cubic inches would be around 2219.5 feet tall.

Recreational maths with 18892442985984

• 18892442985984 backwards is 48958924429881
• 18892442985984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18892442985984's digits is 81
• More coming soon!