389957988420

Names of 389957988420

• Cardinal: 389957988420 can be written as Three hundred eighty-nine billion, nine hundred fifty-seven million, nine hundred eighty-eight thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.8995798842 × 10¹¹

Factors of 389957988420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1857

Divisors of 389957988420

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 27 28 30 33 35 36 39 42 44 45 52 54 55 60 63 65 66 70 77 78 84 90 91 99 105 108 110 117 126 130 132 135 140 143 154 156 165 180 182 189 195 198 210 220 231 234 252 260 270 273 286 297 308 315 330 351 364 378 385 390 396 420 429 455 462 468 495 540 546 572 585 587 594 630 660 693 702 715 756 770 780 819 858 910 924 945 990 1001 1092 1155 1170 1174 1188 1229 1260 1287 1365 1386 1404 1430 1485 1540 1638 1716 1755 1761 1820 1890 1980 2002 2079 2145 2310 2340 2348 2457 2458 2574 2730 2772 2860 2935 2970 3003 3276 3465 3510 3522 3687 3780 3861 4004 4095 4109 4158 4290 4620 4914 4916 5005 5148 5283 5460 5870 5940 6006 6145 6435 6457 6930 7020 7044 7374 7631 7722 8190 8218 8316 8580 8603 8805 9009 9828 10010 10395 10566 11061 11740 12012 12285 12290 12327 12870 12914 13519 13860 14748 15015 15262 15444 15849 15977 16380 16436 17206 17610 18018 18435 19305 19371 20020 20545 20790 21132 22122 22893 24570 24580 24654 25740 25809 25828 26415 27027 27038 30030 30524 31698 31954 32285 33183 34412 35220 36036 36870 36981 38155 38610 38742 40557 41090 41580 43015 44244 45045 45199 45786 47931 49140 49308 51618 52830 53417 54054 54076 55305 58113 60060 61635 63396 63908 64570 66366 67595 68679 73740 73962 76310 77220 77427 77484 79245 79885 81114 82180 83941 86030 90090 90398 91572 94633 95862 96855 103236 105660 106834 108108 110610 110943 111839 114465 116226 121671 123270 129045 129140 132732 135135 135190 135597 137358 143793 147924 152620 154854 158490 159770 160251 162228 165915 167882 172060 174339 175747 180180 180796 184905 189266 191724 193710 202785 206037 213668 221220 221886 223678 225995 228930 232281 232452 239655 243342 246540 251823 258090 267085 270270 270380 271194 274716 283899 287586 290565 309708 316980 319540 320502 331830 335517 335764 343395 348678 351494 365013 369810 378532 387135 387420 405570 406791 412074 419705 431379 443772 447356 451990 457860 464562 473165 479310 480753 486684 503646 516180 527241 534170 540540 542388 554715 559195 567798 575172 581130 587587 608355 641004 663660 671034 677985 686790 697356 702988 718965 721423 730026 739620 755469 774270 801255 811140 813582 824148 839410 851697 862758 871695 878735 903980 929124 946330 958620 961506 1006551 1007292 1030185 1054482 1068340 1109430 1118390 1135596 1161405 1162260 1175174 1216710 1220373 1230229 1259115 1342068 1355970 1373580 1419495 1437930 1442259 1442846 1460052 1510938 1548540 1581723 1602510 1627164 1677585 1678820 1703394 1725516 1743390 1757470 1762761 1825065 1892660 1923012 2013102 2033955 2060370 2108964 2156895 2164269 2218860 2236780 2266407 2322810 2350348 2403765 2433420 2440746 2460458 2518230 2555091 2636205 2711940 2838990 2875860 2884518 2885692 2937935 3019653 3021876 3163446 3205020 3355170 3406788 3486780 3514940 3525522 3607115 3650130 3690687 3777345 4026204 4067910 4120740 4258485 4313790 4328538 4532814 4645620 4745169 4807530 4881492 4920916 5032755 5036460 5049961 5110182 5272410 5288283 5677980 5769036 5875870 6039306 6101865 6151145 6326892 6492807 6710340 7051044 7211295 7214230 7300260 7381374 7554690 7908615 7935653 8135820 8516970 8627580 8657076 8813805 9065628 9378499 9490338 9615060 10065510 10099922 10220364 10544820 10576566 10821345 11072061 11332035 11751740 12078612 12203730 12302290 12775455 12985614 14422590 14428460 14762748 15098265 15109380 15149883 15817230 15864849 15871306 17033940 17627610 18453435 18756998 18980676 19478421 20131020 20199844 21153132 21642690 22144122 22664070 23725845 23806959 24407460 24604580 25249805 25550910 25971228 26441415 28135497 28845180 30196530 30299766 31634460 31729698 31742612 32464035 33216183 35255220 36906870 37513996 38956842 39678265 43285380 44288244 45328140 45449649 46892495 47451690 47613918 50499610 51101820 52882830 55360305 55549571 56270994 60393060 60599532 63459396 64928070 65649493 66432366 71420877 73813740 75749415 77913684 79324245 79356530 84406491 90899298 93784990 94903380 95227836 97392105 100999220 103163489 105765660 110720610 111099142 112541988 119034795 129856140 131298986 132864732 136348947 140677485 142841754 151498830 158648490 158713060 166080915 166648713 168812982 181798596 187569980 194784210 196948479 206326978 214262631 221441220 222198284 227248245 238069590 253219473 262597972 272697894 277747855 281354970 285683508 302997660 309490467 317296980 328247465 332161830 333297426 337625964 357104385 389568420 393896958 412653956 422032455 428525262 454496490 476139180 499946139 506438946 515817445 545395788 555495710 562709940 590845437 618980934 656494930 664323660 666594852 681744735 714208770 722144423 787793916 833243565 844064910 857050524 908992980 928471401 984742395 999892278 1012877892 1031634890 1071313155 1110991420 1181690874 1237961868 1266097365 1312989860 1363489470 1428417540 1444288846 1499838417 1547452335 1666487130 1688129820 1772536311 1856942802 1969484790 1999784556 2063269780 2142626310 2166433269 2363381748 2499730695 2532194730 2726978940 2785414203 2888577692 2954227185 2999676834 3094904670 3332974260 3545072622 3610722115 3713885604 3938969580 4285252620 4332866538 4642357005 4999461390 5064389460 5570828406 5908454370 5999353668 6189809340 6499299807 7090145244 7221444230 7499192085 8665733076 8862681555 9284714010 9998922780 10832166345 11141656812 11816908740 12998599614 13927071015 14442888460 14998384170 17725363110 18569428020 19497899421 21664332690 25997199228 27854142030 29996768340 32496499035 35450726220 38995798842 43328665380 55708284060 64992998070 77991597684 97489497105 129985996140 194978994210 389957988420
• Sum of all divisors σ(n): 1633018060800
• Sum of proper divisors (its aliquot sum) s(n): 1243060072380
• 389957988420 is an abundant number, because the sum of its proper divisors (1243060072380) is greater than itself. Its abundance is 853102083960

Bases of 389957988420

• Binary: 101101011001011010011101011000001000100₂
• Hexadecimal: 0x5ACB4EB044
• Base-36: 4Z56X1L0

Squares and roots of 389957988420

• 389957988420 squared (389957988420²) is 152067232732572854096400
• 389957988420 cubed (389957988420³) is 59299832180990089994530300763688000
• The square root of 389957988420 is 624466.1627502325
• The cube root of 389957988420 is 7305.8812205095

Scales and comparisons

• 389,957,988,420 seconds is equal to 12,399 years, 23 weeks, 5 days, 15 hours, 27 minutes.
• To count from 1 to 389,957,988,420 would take you about twenty-four thousand, seven hundred ninety-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 389957988420 cubic inches would be around 608.8 feet tall.

Recreational maths with 389957988420

• 389957988420 backwards is 024889759983
• The number of decimal digits it has is: 12
• The sum of 389957988420's digits is 72
• More coming soon!