18723379831128

Names of 18723379831128

• Cardinal: 18723379831128 can be written as Eighteen trillion, seven hundred twenty-three billion, three hundred seventy-nine million, eight hundred thirty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8723379831128 × 10¹³

Factors of 18723379831128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 130

Divisors of 18723379831128

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 17 18 21 24 27 28 34 36 42 49 51 54 56 63 68 72 84 98 101 102 108 119 126 136 147 153 168 189 196 202 204 216 238 252 294 303 306 357 378 392 404 408 441 459 476 504 588 606 612 707 714 756 808 833 882 909 918 952 1071 1176 1212 1224 1323 1414 1428 1512 1666 1717 1764 1818 1836 2121 2142 2424 2499 2646 2727 2828 2856 3213 3332 3434 3528 3636 3672 4242 4284 4949 4998 5151 5292 5454 5656 6363 6426 6664 6868 7272 7497 8484 8568 9898 9996 10201 10302 10584 10908 12019 12726 12852 13736 14847 14994 15453 16968 19089 19796 19992 20402 20604 21816 22491 24038 25452 25704 29694 29988 30603 30906 36057 38178 39592 40804 41208 44541 44982 46359 48076 50904 59388 59976 61206 61812 71407 72114 76356 81608 84133 89082 89964 91809 92718 96152 108171 118776 122412 123624 133623 142814 144228 152712 168266 173417 178164 179928 183618 185436 214221 216342 244824 252399 267246 275427 285628 288456 324513 336532 346834 356328 367236 370872 428442 432684 499849 504798 520251 534492 550854 571256 642663 649026 673064 693668 734472 757197 856884 865368 999698 1009596 1030301 1040502 1068984 1101708 1213919 1285326 1298052 1387336 1499547 1514394 1560753 1713768 1927989 1999396 2019192 2060602 2081004 2203416 2271591 2427838 2570652 2596104 2999094 3028788 3090903 3121506 3641757 3855978 3998792 4121204 4162008 4498641 4543182 4682259 4855676 5141304 5998188 6057576 6181806 6243012 7212107 7283514 7711956 8242408 8497433 8997282 9086364 9272709 9364518 9711352 10925271 11996376 12363612 12486024 13495923 14424214 14567028 15423912 16994866 17515117 17994564 18172728 18545418 18729036 21636321 21850542 24727224 25492299 26991846 27818127 28848428 29134056 32775813 33989732 35030234 35989128 37090836 37458072 43272642 43701084 50484749 50984598 52545351 53983692 55636254 57696856 64908963 65551626 67979464 70060468 74181672 76476897 86545284 87402168 100969498 101969196 104060401 105090702 107967384 111272508 122605819 129817926 131103252 140120936 151454247 152953794 157636053 173090568 194726889 201938996 203938392 208120802 210181404 222545016 229430691 245211638 259635852 262206504 302908494 305907588 312181203 315272106 367817457 389453778 403877992 416241604 420362808 454362741 458861382 472908159 490423276 519271704 605816988 611815176 624362406 630544212 728422807 735634914 778907556 832483208 858240733 908725482 917722764 936543609 945816318 980846552 1103452371 1211633976 1248724812 1261088424 1363088223 1456845614 1471269828 1557815112 1716481466 1769026817 1817450964 1835445528 1873087218 1891632636 2185268421 2206904742 2497449624 2574722199 2726176446 2809630827 2913691228 2942539656 3310357113 3432962932 3538053634 3634901928 3746174436 3783265272 4370536842 4413809484 5098959649 5149444398 5307080451 5452352892 5619261654 5827382456 6555805263 6620714226 6865925864 7076107268 7492348872 7724166597 8741073684 8827618968 10197919298 10298888796 10614160902 10904705784 11238523308 12383187719 13111610526 13241428452 14152214536 15296878947 15448333194 15921241353 17482147368 19667415789 20395838596 20597777592 21228321804 22477046616 23172499791 24766375438 26223221052 26482856904 30593757894 30896666388 31842482706 37149563157 39334831578 40791677192 42456643608 45890636841 46344999582 47763724059 49532750876 52446442104 61187515788 61793332776 63684965412 74299126314 78669663156 86682314033 91781273682 92689999164 95527448118 99065501752 111448689471 122375031576 127369930824 137671910523 148598252628 157339326312 173364628066 183562547364 185379998328 191054896236 222897378942 260046942099 275343821046 297196505256 334346068413 346729256132 367125094728 382109792472 445794757884 520093884198 550687642092 668692136826 693458512264 780140826297 891589515768 1040187768396 1101375284184 1337384273652 1560281652594 2080375536792 2340422478891 2674768547304 3120563305188 4680844957782 6241126610376 9361689915564 18723379831128
• Sum of all divisors σ(n): 64700178678000
• Sum of proper divisors (its aliquot sum) s(n): 45976798846872
• 18723379831128 is an abundant number, because the sum of its proper divisors (45976798846872) is greater than itself. Its abundance is 27253419015744

Bases of 18723379831128

• Binary: 100010000011101100000011001110110000101011000₂
• Hexadecimal: 0x110760676158
• Base-36: 6MXEGXEU0

Squares and roots of 18723379831128

• 18723379831128 squared (18723379831128²) is 350564952300690773797752384
• 18723379831128 cubed (18723379831128³) is 6563760757407102995387108678763879409152
• The square root of 18723379831128 is 4327052.0948017255
• The cube root of 18723379831128 is 26553.8857635967

Scales and comparisons

• 18,723,379,831,128 seconds is equal to 595,345 years, 29 weeks, 2 days, 1 hour, 58 minutes, 48 seconds.
• To count from 1 to 18,723,379,831,128 would take you about one million, four hundred eighty-eight thousand, three hundred sixty-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 18723379831128 cubic inches would be around 2212.8 feet tall.

Recreational maths with 18723379831128

• 18723379831128 backwards is 82113897332781
• 18723379831128 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18723379831128's digits is 63
• More coming soon!