1808899845949920

Names of 1808899845949920

• Cardinal: 1808899845949920 can be written as One quadrillion, eight hundred eight trillion, eight hundred ninety-nine billion, eight hundred forty-five million, nine hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.80889984594992 × 10¹⁵

Factors of 1808899845949920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 140890

Divisors of 1808899845949920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 59 60 80 96 106 118 120 159 160 177 212 236 240 265 295 318 354 424 472 480 530 590 636 708 795 848 885 944 1060 1180 1272 1416 1590 1696 1770 1888 2120 2360 2544 2832 3127 3180 3540 4240 4720 5088 5664 6254 6360 7080 8480 9157 9381 9440 12508 12720 14160 15635 18314 18762 25016 25440 27471 28320 31270 36628 37524 45785 46905 50032 54942 62540 73256 75048 91570 93810 100064 109884 125080 131611 137355 146512 150096 183140 187620 219768 250160 263222 274710 293024 300192 366280 375240 394833 439536 485321 500320 526444 540263 549420 658055 732560 750480 789666 879072 970642 1052888 1080526 1098840 1316110 1455963 1465120 1500960 1579332 1620789 1941284 1974165 2105776 2161052 2197680 2426605 2632220 2701315 2911926 3158664 3241578 3882568 3948330 4211552 4322104 4395360 4853210 5264440 5402630 5823852 6317328 6483156 6975383 7279815 7765049 7765136 7896660 8103945 8644208 9706420 10528880 10805260 11647704 12634656 12966312 13950766 14559630 15530098 15530272 15793320 16207890 17288416 19412840 20926149 21057760 21610520 23295147 23295408 25932624 27901532 28633939 29119260 31060196 31586640 32415780 34876915 38825245 38825680 41852298 43221040 46590294 46590816 51865248 55803064 57267878 58238520 62120392 63173280 64831560 69753830 77650490 77651360 83704596 85901817 86442080 93180588 104630745 111606128 114535756 116475735 116477040 124240784 129663120 139507660 143169695 155300980 167409192 171803634 186361176 209261490 223212256 229071512 232951470 232954080 248481568 259326240 279015320 286339390 310601960 334818384 343607268 372722352 411547597 418522980 429509085 458143024 465902940 558030640 572678780 621203920 669636768 687214536 745444704 823095194 837045960 859018170 916286048 931805880 1116061280 1145357560 1205161927 1234642791 1242407840 1374429072 1646190388 1674091920 1718036340 1863611760 2057737985 2290715120 2410323854 2469285582 2748858144 3292380776 3348183840 3436072680 3615485781 3727223520 4115475970 4581430240 4820647708 4938571164 6025809635 6173213955 6584761552 6872145360 7230971562 8230951940 9641295416 9877142328 12051619270 12346427910 13169523104 13744290720 14461943124 16461903880 18077428905 19282590832 19754284656 24103238540 24692855820 28923886248 32923807760 36154857810 38565181664 39508569312 48206477080 49385711640 57847772496 63873582131 65847615520 71104553693 72309715620 96412954160 98771423280 115695544992 127747164262 142209107386 144619431240 191620746393 192825908320 197542846560 213313661079 255494328524 284418214772 289238862480 319367910655 355522768465 383241492786 426627322158 510988657048 568836429544 578477724960 638735821310 711045536930 766482985572 853254644316 958103731965 1021977314096 1066568305395 1137672859088 1277471642620 1422091073860 1532965971144 1706509288632 1916207463930 2043954628192 2133136610790 2275345718176 2554943285240 2844182147720 3065931942288 3413018577264 3768541345729 3832414927860 4266273221580 5109886570480 5688364295440 6131863884576 6826037154528 7537082691458 7664829855720 8532546443160 10219773140960 11305624037187 11376728590880 15074165382916 15329659711440 17065092886320 18842706728645 22611248074374 30148330765832 30659319422880 34130185772640 37685413457290 45222496148748 56528120185935 60296661531664 75370826914580 90444992297496 113056240371870 120593323063328 150741653829160 180889984594992 226112480743740 301483307658320 361779969189984 452224961487480 602966615316640 904449922974960 1808899845949920
• Sum of all divisors σ(n): 5904633271380480
• Sum of proper divisors (its aliquot sum) s(n): 4095733425430560
• 1808899845949920 is an abundant number, because the sum of its proper divisors (4095733425430560) is greater than itself. Its abundance is 2286833579480640

Bases of 1808899845949920

• Binary: 110011011010010111101010000110000001000100111100000₂
• Hexadecimal: 0x66D2F50C089E0
• Base-36: HT7947V9PC

Squares and roots of 1808899845949920

• 1808899845949920 squared (1808899845949920²) is 3272118652677644307427148006400
• 1808899845949920 cubed (1808899845949920³) is 5918934926758450573221648258080215442239488000
• The square root of 1808899845949920 is 42531163.2329744771
• The cube root of 1808899845949920 is 121844.1943234913

Scales and comparisons

• 1,808,899,845,949,920 seconds is equal to 57,517,419 years, 41 weeks, 6 days, 14 hours, 32 minutes.
• To count from 1 to 1,808,899,845,949,920 would take you about one hundred seventy-two million, five hundred fifty-two thousand, two hundred fifty-nine 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 1808899845949920 cubic inches would be around 10153.7 feet tall.

Recreational maths with 1808899845949920

• 1808899845949920 backwards is 0299495489988081
• The number of decimal digits it has is: 16
• The sum of 1808899845949920's digits is 93
• More coming soon!