18946384080

Names of 18946384080

• Cardinal: 18946384080 can be written as Eighteen billion, nine hundred forty-six million, three hundred eighty-four thousand and eighty.

Scientific notation

• Scientific notation: 1.894638408 × 10¹⁰

Factors of 18946384080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 214

Divisors of 18946384080

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 39 40 48 52 60 62 65 71 78 80 89 93 104 120 124 130 142 155 156 178 186 195 208 213 240 248 260 267 284 310 312 355 356 372 390 403 426 445 465 496 520 534 568 620 624 710 712 744 780 806 852 890 923 930 961 1040 1065 1068 1136 1157 1209 1240 1335 1420 1424 1488 1560 1612 1704 1780 1846 1860 1922 2015 2130 2136 2201 2314 2418 2480 2670 2759 2769 2840 2883 3120 3224 3408 3471 3560 3692 3720 3844 4030 4260 4272 4402 4615 4628 4805 4836 5340 5518 5538 5680 5766 5785 6045 6319 6448 6603 6942 7120 7384 7440 7688 8060 8277 8520 8804 9230 9256 9610 9672 10680 11005 11036 11076 11532 11570 12090 12493 12638 13206 13795 13845 13884 14415 14768 15376 16120 16554 17040 17355 17608 18460 18512 18957 19220 19344 21360 22010 22072 22152 23064 23140 24180 24986 25276 26412 27590 27690 27768 28613 28830 31595 32240 33015 33108 34710 35216 35867 36920 37479 37914 38440 41385 44020 44144 44304 46128 46280 48360 49972 50552 52824 55180 55380 55536 57226 57660 62465 63190 66030 66216 68231 69420 71734 73840 74958 75828 76880 82147 82770 85529 85839 88040 92560 94785 96720 99944 101104 105648 107601 110360 110760 114452 115320 124930 126380 132060 132432 136462 138840 143065 143468 149916 151656 164294 165540 171058 171678 176080 179335 187395 189570 195889 199888 204693 215202 220720 221520 228904 230640 246441 249860 252760 256587 264120 272924 277680 286130 286936 299832 303312 328588 331080 341155 342116 343356 358670 374790 379140 391778 409386 410735 427645 429195 430404 457808 492882 499720 505520 513174 528240 538005 545848 572260 573872 587667 599664 657176 662160 682310 684232 686712 717340 749580 758280 783556 818772 821470 855290 858390 860808 887003 979445 985764 999440 1023465 1026348 1076010 1091696 1111877 1144520 1175334 1232205 1282935 1314352 1364620 1368464 1373424 1434680 1499160 1516560 1567112 1637544 1642940 1710580 1716780 1721616 1774006 1958890 1971528 2046930 2052696 2152020 2223754 2289040 2350668 2464410 2546557 2565870 2661009 2729240 2869360 2938335 2998320 3134224 3275088 3285880 3335631 3421160 3433560 3548012 3917780 3943056 4093860 4105392 4304040 4435015 4447508 4701336 4928820 5093114 5131740 5322018 5458480 5559385 5876670 6072559 6571760 6671262 6842320 6867120 7096024 7639671 7835560 8187720 8608080 8870030 8895016 9402672 9857640 10186228 10263480 10644036 11118770 11753340 12145118 12732785 13305045 13342524 14192048 15279342 15671120 16375440 16678155 17740060 17790032 18217677 19715280 20372456 20526960 21288072 22237540 23506680 24290236 25465570 26610090 26685048 30362795 30558684 33356310 35480120 36435354 38198355 40744912 42576144 44475080 47013360 48580472 50931140 53220180 53370096 60725590 61117368 66712620 70960240 72870708 76396710 78943267 88950160 91088385 97160944 101862280 106440360 121451180 122234736 133425240 145741416 152793420 157886534 182176770 203724560 212880720 236829801 242902360 266850480 291482832 305586840 315773068 364353540 394716335 473659602 485804720 611173680 631546136 728707080 789432670 947319204 1184149005 1263092272 1457414160 1578865340 1894638408 2368298010 3157730680 3789276816 4736596020 6315461360 9473192040 18946384080
• Sum of all divisors σ(n): 67023210240
• Sum of proper divisors (its aliquot sum) s(n): 48076826160
• 18946384080 is an abundant number, because the sum of its proper divisors (48076826160) is greater than itself. Its abundance is 29130442080

Bases of 18946384080

• Binary: 10001101001010010101110000011010000₂
• Hexadecimal: 0x4694AE0D0
• Base-36: 8PC6RIO

Squares and roots of 18946384080

• 18946384080 squared (18946384080²) is 358965469706877446400
• 18946384080 cubed (18946384080³) is 6801097660524105116984013312000
• The square root of 18946384080 is 137645.8647399189
• The cube root of 18946384080 is 2665.8893049405

Scales and comparisons

• 18,946,384,080 seconds is equal to 602 years, 22 weeks, 4 days, 20 hours, 28 minutes.
• To count from 1 to 18,946,384,080 would take you about one thousand, two hundred 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 18946384080 cubic inches would be around 222.2 feet tall.

Recreational maths with 18946384080

• 18946384080 backwards is 08048364981
• The number of decimal digits it has is: 11
• The sum of 18946384080's digits is 51
• More coming soon!