389081981890872

Names of 389081981890872

• Cardinal: 389081981890872 can be written as Three hundred eighty-nine trillion, eighty-one billion, nine hundred eighty-one million, eight hundred ninety thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.89081981890872 × 10¹⁴

Factors of 389081981890872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 366

Divisors of 389081981890872

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 61 72 76 81 108 114 122 152 162 171 183 216 228 243 244 281 324 342 366 456 486 488 513 549 562 648 684 729 732 843 972 1026 1098 1124 1159 1368 1458 1464 1539 1647 1686 1944 2052 2187 2196 2248 2318 2529 2916 3078 3294 3372 3477 4104 4374 4392 4617 4636 4941 5058 5339 5832 6156 6561 6588 6744 6954 7587 8748 9234 9272 9882 10116 10431 10678 12312 13122 13176 13851 13908 14823 15174 16017 17141 17496 18468 19683 19764 20232 20862 21356 22761 26244 27702 27816 29646 30348 31293 32034 34282 36936 39366 39528 41553 41724 42712 44469 45522 48051 51423 52488 55404 59049 59292 60696 62586 64068 68283 68564 78732 78961 83106 83448 88938 91044 93879 96102 102846 110808 118098 118584 124659 125172 128136 133407 136566 137128 144153 154269 157464 157922 166212 177147 177876 182088 187758 192204 204849 205692 236196 236883 249318 250344 266814 273132 281637 288306 308538 315844 325679 332424 354294 355752 373977 375516 384408 400221 409698 411384 432459 462807 472392 473766 498636 531441 533628 546264 563274 576612 614547 617076 631688 651358 708588 710649 747954 751032 800442 819396 844911 864918 925614 947532 977037 997272 1062882 1067256 1121931 1126548 1153224 1200663 1229094 1234152 1297377 1302716 1388421 1417176 1421298 1495908 1500259 1600884 1638792 1689822 1729836 1843641 1851228 1895064 1954074 2125764 2131947 2243862 2253096 2401326 2458188 2534733 2594754 2605432 2776842 2842596 2931111 2991816 3000518 3201768 3365793 3379644 3459672 3601989 3687282 3702456 3892131 3908148 4165263 4251528 4263894 4487724 4500777 4802652 4816621 4916376 5069466 5189508 5530923 5553684 5685192 5862222 6001036 6395841 6731586 6759288 7203978 7374564 7604199 7784262 7816296 8330526 8527788 8793333 8975448 9001554 9605304 9633242 10097379 10138932 10379016 10805967 11061846 11107368 11676393 11724444 12002072 12495789 12791682 13463172 13502331 14407956 14449863 14749128 15208398 15568524 16592769 16661052 17055576 17586666 18003108 19187523 19266484 20194758 20277864 21611934 22123692 22812597 23352786 23448888 24991578 25583364 26379999 26926344 27004662 28815912 28899726 30416796 31137048 32417901 33185538 33322104 35029179 35173332 36006216 37487367 38375046 38532968 40389516 40506993 43223868 43349589 44247384 45625194 46705572 49778307 49983156 51166728 52759998 54009324 57562569 57799452 60833592 64835802 66371076 68437791 70058358 70346664 74974734 76750092 79139997 80779032 81013986 86447736 86699178 91250388 91515799 93411144 99556614 99966312 105087537 105519996 108018648 112462101 115125138 115598904 121520979 129671604 130048767 132742152 136875582 140116716 149334921 149949468 153500184 158279994 162027972 172687707 173398356 182500776 183031598 199113228 205313373 210175074 211039992 224924202 230250276 237419991 243041958 259343208 260097534 273751164 274547397 280233432 298669842 299898936 315262611 316559988 324055944 337386303 345375414 346796712 364562937 366063196 390146301 398226456 410626746 420350148 449848404 460500552 474839982 486083916 518063121 520195068 547502328 549094794 597339684 615940119 630525222 633119976 674772606 690750828 712259973 729125874 732126392 780292602 821253492 823642191 840700296 899696808 945787833 949679964 972167832 1012158909 1036126242 1040390136 1093688811 1098189588 1170438903 1194679368 1231880238 1261050444 1349545212 1381501656 1424519946 1458251748 1554189363 1560585204 1642506984 1647284382 1891575666 1899359928 2024317818 2072252484 2136779919 2187377622 2196379176 2340877806 2463760476 2470926573 2522100888 2699090424 2837363499 2849039892 2916503496 3036476727 3108378726 3121170408 3281066433 3294568764 3511316709 3783151332 4048635636 4144504968 4273559838 4374755244 4662568089 4681755612 4927520952 4941853146 5674726998 5698079784 6072953454 6216757452 6410339757 6562132866 6589137528 7022633418 7412779719 7566302664 8097271272 8547119676 8749510488 9109430181 9325136178 9363511224 9843199299 9883706292 10533950127 11349453996 12145906908 12433514904 12820679514 13124265732 13987704267 14045266836 14825559438 17094239352 18218860362 18650272356 19231019271 19686398598 19767412584 21067900254 22238339157 22698907992 24291813816 25641359028 26248531464 27975408534 28090533672 29529597897 29651118876 31601850381 36437720724 37300544712 38462038542 39372797196 41963112801 42135800508 44476678314 51282718056 55950817068 57693057813 59059195794 59302237752 63203700762 66715017471 72875441448 76924077084 78745594392 83926225602 84271601016 88588793691 88953356628 94805551143 111901634136 115386115626 118118391588 126407401524 133430034942 153848154168 167852451204 173079173439 177177587382 177906713256 189611102286 200145052413 230772231252 236236783176 252814803048 265766381073 266860069884 284416653429 335704902408 346158346878 354355174764 379222204572 400290104826 461544462504 531532762146 533720139768 568833306858 600435157239 692316693756 708710349528 758444409144 797299143219 800580209652 853249960287 1063065524292 1137666613716 1200870314478 1384633387512 1594598286438 1601160419304 1706499920574 1801305471717 2126131048584 2275333227432 2401740628956 2559749880861 3189196572876 3412999841148 3602610943434 4803481257912 5119499761722 5403916415151 6378393145752 6825999682296 7205221886868 10238999523444 10807832830302 14410443773736 16211749245453 20477999046888 21615665660604 32423498490906 43231331321208 48635247736359 64846996981812 97270495472718 129693993963624 194540990945436 389081981890872
• Sum of all divisors σ(n): 1174951381687800
• Sum of proper divisors (its aliquot sum) s(n): 785869399796928
• 389081981890872 is an abundant number, because the sum of its proper divisors (785869399796928) is greater than itself. Its abundance is 396787417906056

Bases of 389081981890872

• Binary: 1011000011101111000110101010100011011000100111000₂
• Hexadecimal: 0x161DE3551B138
• Base-36: 3TX1SM7VI0

Squares and roots of 389081981890872

• 389081981890872 squared (389081981890872²) is 151384788632128846948516920384
• 389081981890872 cubed (389081981890872³) is 58901093589119441436256658533745166600334848
• The square root of 389081981890872 is 19725161.1372599945
• The cube root of 389081981890872 is 73004.0644444229

Scales and comparisons

• 389,081,981,890,872 seconds is equal to 12,371,603 years, 26 weeks, 5 days, 7 hours, 1 minute, 12 seconds.
• To count from 1 to 389,081,981,890,872 would take you about thirty million, nine hundred twenty-nine thousand and eight 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 389081981890872 cubic inches would be around 6083.7 feet tall.

Recreational maths with 389081981890872

• 389081981890872 backwards is 278098189180983
• 389081981890872 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 389081981890872's digits is 81
• More coming soon!