1989988689920

Names of 1989988689920

• Cardinal: 1989988689920 can be written as One trillion, nine hundred eighty-nine billion, nine hundred eighty-eight million, six hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.98998868992 × 10¹²

Factors of 1989988689920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 547

Divisors of 1989988689920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 73 77 80 88 98 110 112 121 128 140 146 154 160 176 196 220 224 242 245 256 280 292 308 320 352 365 385 392 440 448 449 484 490 511 512 539 560 584 605 616 640 704 730 770 784 803 847 880 896 898 968 980 1022 1024 1078 1120 1168 1210 1232 1280 1408 1460 1540 1568 1606 1694 1760 1792 1796 1936 1960 2044 2048 2156 2240 2245 2336 2420 2464 2555 2560 2695 2816 2920 3080 3136 3143 3212 3388 3520 3577 3584 3592 3872 3920 4015 4088 4235 4312 4480 4490 4672 4840 4928 4939 5110 5120 5390 5621 5632 5840 5929 6160 6272 6286 6424 6776 7040 7154 7168 7184 7744 7840 8030 8176 8470 8624 8833 8960 8980 9344 9680 9856 9878 10220 10240 10780 11242 11264 11680 11858 12320 12544 12572 12848 13552 14080 14308 14336 14368 15488 15680 15715 16060 16352 16940 17248 17666 17885 17920 17960 18688 19360 19712 19756 20440 21560 22001 22484 22528 23360 23716 24640 24695 25088 25144 25696 27104 28105 28160 28616 28736 29645 30976 31360 31430 32120 32704 32777 33880 34496 34573 35332 35770 35840 35920 37376 38720 39347 39424 39512 40880 43120 44002 44165 44968 46720 47432 49280 49390 50176 50288 51392 54208 54329 56210 56320 57232 57472 59290 61831 61952 62720 62860 64240 65408 65554 67760 68992 69146 70664 71540 71680 71840 74752 77440 78694 78848 79024 81760 86240 88004 88330 89936 93440 94864 98560 98780 100352 100576 102784 108416 108658 110005 112420 112640 114464 114944 118580 123662 123904 125440 125720 128480 130816 131108 135520 137984 138292 141328 143080 143680 149504 154880 157388 157696 158048 163520 163885 172480 172865 176008 176660 179872 186880 189728 196735 197120 197560 201152 205568 216832 217316 220010 224840 228928 229439 229888 237160 242011 247324 247808 250880 251440 256960 261632 262216 271040 271645 275968 276584 282656 286160 287360 309155 309760 314776 316096 327040 327770 344960 345730 352016 353320 359744 360547 373760 379456 380303 393470 394240 395120 402304 411136 432817 433664 434632 440020 449680 457856 458878 459776 474320 484022 494648 501760 502880 513920 523264 524432 542080 543290 551936 553168 565312 572320 574720 618310 619520 629552 632192 654080 655540 689920 691460 704032 706640 719488 721094 747520 758912 760606 786940 788480 790240 804608 822272 865634 867328 869264 880040 899360 915712 917756 919552 948640 968044 989296 1005760 1027840 1046528 1048864 1084160 1086580 1103872 1106336 1130624 1144640 1147195 1149440 1210055 1236620 1239040 1259104 1264384 1308160 1311080 1379840 1382920 1408064 1413280 1438976 1442188 1517824 1521212 1573880 1580480 1606073 1609216 1644544 1731268 1734656 1738528 1760080 1798720 1802735 1831424 1835512 1897280 1901515 1936088 1978592 2011520 2055680 2097728 2164085 2168320 2173160 2212672 2261248 2289280 2294390 2298880 2420110 2473240 2518208 2523829 2528768 2616320 2622160 2662121 2759680 2765840 2816128 2826560 2877952 2884376 3035648 3042424 3147760 3160960 3212146 3218432 3462536 3477056 3520160 3597440 3605470 3662848 3671024 3794560 3803030 3872176 3957184 3966017 4023040 4111360 4195456 4328170 4336640 4346320 4425344 4522496 4578560 4588780 4597760 4840220 4946480 5036416 5047658 5057536 5232640 5244320 5324242 5519360 5531680 5632256 5653120 5755904 5768752 6071296 6084848 6295520 6321920 6424292 6436864 6925072 6954112 7040320 7194880 7210940 7325696 7342048 7589120 7606060 7744352 7914368 7932034 8030365 8046080 8222720 8390912 8656340 8673280 8692640 8850688 9044992 9157120 9177560 9680440 9892960 10072832 10095316 10115072 10488640 10648484 11063360 11264512 11306240 11511808 11537504 12142592 12169696 12591040 12619145 12643840 12848584 13310605 13850144 13908224 14080640 14389760 14421880 14684096 15178240 15212120 15488704 15828736 15864068 16060730 16092160 16781824 17312680 17385280 17666803 17701376 18089984 18314240 18355120 19360880 19785920 19830085 20145664 20190632 20977280 21296968 22126720 22529024 22612480 23075008 24339392 25182080 25238290 25287680 25697168 26621210 27700288 27762119 27816448 28161280 28779520 28843760 29368192 30356480 30424240 30977408 31657472 31728136 32121460 32184320 33563648 34625360 34770560 35333606 35402752 36628480 36710240 38721760 39571840 39660170 40291328 40381264 41954560 42593936 44253440 45058048 45224960 46150016 48678784 50364160 50476580 50575360 51394336 53242420 55400576 55524238 55632896 56322560 57559040 57687520 58736384 60712960 60848480 61954816 63314944 63456272 64242920 67127296 69250720 69541120 70667212 70805504 73420480 77443520 79143680 79320340 80582656 80762528 83909120 85187872 88334015 88506880 90449920 92300032 97357568 100728320 100953160 102788672 106484840 110801152 111048476 111265792 112645120 115375040 117472768 121696960 123909632 126629888 126912544 128485840 138501440 138810595 139082240 141334424 146840960 154887040 158287360 158640680 161525056 167818240 170375744 176668030 177013760 184600064 194334833 194715136 201456640 201906320 205577344 212969680 221602304 222096952 225290240 230750080 234945536 243393920 247819264 253825088 256971680 277002880 277621190 278164480 282668848 293681920 309774080 316574720 317281360 323050112 335636480 340751488 353336060 354027520 369200128 388669666 389430272 402913280 403812640 411154688 425939360 443204608 444193904 461500160 469891072 486787840 495638528 507650176 513943360 554005760 555242380 556328960 565337696 587363840 619548160 633149440 634562720 646100224 681502976 706672120 738400256 777339332 778860544 807625280 822309376 851878720 886409216 888387808 923000320 971674165 973575680 1015300352 1027886720 1108011520 1110484760 1130675392 1174727680 1239096320 1269125440 1292200448 1363005952 1413344240 1554678664 1615250560 1644618752 1703757440 1776775616 1846000640 1943348330 1947151360 2030600704 2055773440 2216023040 2220969520 2261350784 2349455360 2478192640 2538250880 2584400896 2726011904 2826688480 3109357328 3230501120 3289237504 3407514880 3553551232 3692001280 3886696660 3894302720 4061201408 4111546880 4432046080 4441939040 4522701568 5076501760 5168801792 5452023808 5653376960 6218714656 6461002240 6815029760 7107102464 7773393320 8122402816 8223093760 8883878080 9045403136 10153003520 11306753920 12437429312 12922004480 13630059520 14214204928 15546786640 16446187520 17767756160 18090806272 20306007040 22613507840 24874858624 25844008960 27260119040 28428409856 31093573280 35535512320 36181612544 40612014080 45227015680 49749717248 56856819712 62187146560 71071024640 90454031360 99499434496 124374293120 142142049280 180908062720 198998868992 248748586240 284284098560 397997737984 497497172480 994994344960 1989988689920
• Sum of all divisors σ(n): 6202630161000
• Sum of proper divisors (its aliquot sum) s(n): 4212641471080
• 1989988689920 is an abundant number, because the sum of its proper divisors (4212641471080) is greater than itself. Its abundance is 2222652781160

Bases of 1989988689920

• Binary: 11100111101010100100100011010100000000000₂
• Hexadecimal: 0x1CF5491A800
• Base-36: PE6RVW8W

Squares and roots of 1989988689920

• 1989988689920 squared (1989988689920²) is 3960054986009517909606400
• 1989988689920 cubed (1989988689920³) is 7880464633620244473588416918847488000
• The square root of 1989988689920 is 1410669.5892093229
• The cube root of 1989988689920 is 12578.1528902137

Scales and comparisons

• 1,989,988,689,920 seconds is equal to 63,275 years, 25 weeks, 1 day, 12 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,989,988,689,920 would take you about one hundred fifty-eight thousand, one hundred eighty-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 1989988689920 cubic inches would be around 1048.2 feet tall.

Recreational maths with 1989988689920

• 1989988689920 backwards is 0299868899891
• The number of decimal digits it has is: 13
• The sum of 1989988689920's digits is 86
• More coming soon!