1981655549979318

Names of 1981655549979318

• Cardinal: 1981655549979318 can be written as One quadrillion, nine hundred eighty-one trillion, six hundred fifty-five billion, five hundred forty-nine million, nine hundred seventy-nine thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 1.981655549979318 × 10¹⁵

Factors of 1981655549979318

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 164

Divisors of 1981655549979318

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 6 9 18 27 31 54 61 62 67 81 93 122 134 162 183 186 201 243 279 366 402 486 549 558 603 729 837 961 1098 1206 1458 1647 1674 1809 1891 1922 2077 2187 2511 2883 3294 3618 3721 3782 4087 4154 4374 4941 5022 5427 5673 5766 6231 7442 7533 8174 8649 9882 10854 11163 11346 12261 12462 14823 15066 16281 17019 17298 18693 22326 22599 24522 25947 29646 29791 32562 33489 34038 36783 37386 44469 45198 48843 51057 51894 56079 58621 59582 64387 66978 67797 73566 77841 88938 89373 97686 100467 102114 110349 112158 115351 117242 126697 128774 133407 135594 146529 153171 155682 168237 175863 178746 193161 200934 220698 226981 230702 233523 249307 253394 266814 268119 293058 301401 306342 331047 336474 346053 351726 380091 386322 453962 459513 467046 498614 504711 527589 536238 579483 602802 662094 680943 692106 700569 747921 760182 804357 904203 919026 993141 1009422 1038159 1055178 1140273 1158966 1361886 1378539 1401138 1495842 1514133 1582767 1608714 1738449 1808406 1817251 1986282 1995997 2042829 2076318 2101707 2243763 2280546 2413071 2712609 2757078 2979423 3028266 3114477 3165534 3420819 3476898 3575881 3634502 3927607 3991994 4085658 4135617 4203414 4487526 4542399 4748301 4826142 5215347 5425218 5451753 5958846 5987991 6128487 6228954 6731289 6841638 7036411 7151762 7239213 7728517 7855214 8137827 8271234 8938269 9084798 9343431 9496602 10262457 10430694 10727643 10903506 11782821 11975982 12256974 13462578 14072822 14244903 14478426 15207727 15457034 15646041 16275654 16355259 17876538 17963973 18385461 18686862 20193867 20524914 21109233 21455286 21717639 23185551 23565642 28030293 28489806 30415454 30787371 31292082 32182929 32710518 35348463 35927946 36770922 40387734 42218466 42734709 43435278 45623181 46371102 46938123 49065777 53891919 55156383 56060586 60581601 61574742 63327699 64365858 65152917 69556653 70696926 84090879 85469418 91246362 92362113 93876246 96548787 98131554 106045389 107783838 110312766 110852311 121163202 121755817 126655398 128204127 130305834 136869543 139113306 140814369 147197331 161675757 165469149 168181758 181744803 184724226 189983097 193097574 208669959 212090778 218128741 221704622 239584027 243511634 252272637 256408254 273739086 277086339 281628738 289646361 294394662 318136167 323351514 330938298 332556933 363489606 365267451 379966194 410608629 417339918 436257482 441591993 471439537 479168054 485027271 496407447 504545274 545234409 554172678 569949291 579292722 626009877 636272334 654386223 665113866 718752081 730534902 821217258 868939083 883183986 942879074 954408501 970054542 992814894 997670799 1090468818 1095802353 1139898582 1231825887 1252019754 1308772446 1324775979 1414318611 1437504162 1455081813 1709847873 1737878166 1878029631 1908817002 1963158669 1995341598 2156256243 2191604706 2463651774 2606817249 2649551958 2828637222 2863225503 2910163626 2993012397 3287407059 3419695746 3695477661 3756059262 3926317338 3974327937 4242955833 4312512486 4365245439 5129543619 5213634498 5634088893 5726451006 5889476007 5986024794 6468768729 6574814118 6761990971 7390955322 7427104837 7820451747 7948655874 8485911666 8589676509 8730490878 8979037191 9862221177 10259087238 11086432983 11268177786 11778952014 12728867499 12937537458 13523981942 14614625647 14854209674 15388630857 15640903494 16902266679 17179353018 17668428021 17958074382 19406306187 19724442354 20285972913 22172865966 22281314511 25457734998 26937111573 29229251294 29586663531 30777261714 33259298949 33804533358 35336856042 38186602497 38812612374 40571945826 43843876941 44562629022 53005284063 53874223146 58218918561 59173327062 60857918739 66518597898 66843943533 76373204994 80811334719 87687753882 88759990593 106010568126 114559807491 116437837122 121715837478 131531630823 133687887066 159015852189 161622669438 174656755683 177519981186 182573756217 200531830599 229119614982 242434004157 263063261646 266279971779 318031704378 343679422473 349313511366 365147512434 394594892469 401063661198 453053395057 477047556567 484868008314 523970267049 532559943558 547721268651 601595491797 687358844946 789189784938 906106790114 954095113134 1031038267419 1047940534098 1095442537302 1183784677407 1203190983594 1359160185171 1643163805953 1804786475391 2062076534838 2367569354814 2718320370342 3286327611906 3551354032221 3609572950782 4077480555513 4929491417859 5414359426173 7102708064442 8154961111026 9858982835718 10654062096663 10828718852346 12232441666539 14788474253577 16243078278519 21308124193326 24464883333078 29576948507154 31962186289989 32486156557038 36697324999617 63924372579978 73394649999234 110091974998851 220183949997702 330275924996553 660551849993106 990827774989659 1981655549979318
• Sum of all divisors σ(n): 4753320735621120
• Sum of proper divisors (its aliquot sum) s(n): 2771665185641802
• 1981655549979318 is an abundant number, because the sum of its proper divisors (2771665185641802) is greater than itself. Its abundance is 790009635662484

Bases of 1981655549979318

• Binary: 111000010100100111000100011000111111010101010110110₂
• Hexadecimal: 0x70A4E231FAAB6
• Base-36: JIFRZPMLDI

Squares and roots of 1981655549979318

• 1981655549979318 squared (1981655549979318²) is 3926958718763833299830227745124
• 1981655549979318 cubed (1981655549979318³) is 7781879539578022037661911268581871267975345432
• The square root of 1981655549979318 is 44515789.8950396925
• The cube root of 1981655549979318 is 125605.7118968177

Scales and comparisons

• 1,981,655,549,979,318 seconds is equal to 63,010,516 years, 42 weeks, 6 days, 18 hours, 15 minutes, 18 seconds.
• To count from 1 to 1,981,655,549,979,318 would take you about one hundred eighty-nine million, thirty-one thousand, five hundred fifty 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 1981655549979318 cubic inches would be around 10467.1 feet tall.

Recreational maths with 1981655549979318

• 1981655549979318 backwards is 8139799455561891
• The number of decimal digits it has is: 16
• The sum of 1981655549979318's digits is 90
• More coming soon!