18901990640000

Names of 18901990640000

• Cardinal: 18901990640000 can be written as Eighteen trillion, nine hundred one billion, nine hundred ninety million, six hundred forty thousand.

Scientific notation

• Scientific notation: 1.890199064 × 10¹³

Factors of 18901990640000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2341

Divisors of 18901990640000

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 23 25 26 32 40 46 50 52 64 65 80 92 100 104 115 125 128 130 160 184 200 208 230 250 260 299 320 325 368 400 416 421 460 500 520 575 598 625 640 650 736 800 832 842 920 1000 1040 1150 1196 1250 1300 1472 1495 1600 1625 1664 1684 1840 1877 2000 2080 2105 2300 2392 2500 2600 2875 2944 2990 3200 3250 3368 3680 3754 4000 4160 4210 4600 4784 5000 5200 5473 5750 5980 6500 6736 7360 7475 7508 8000 8125 8320 8420 9200 9385 9568 9683 10000 10400 10525 10946 11500 11960 13000 13472 14375 14720 14950 15016 16000 16250 16840 18400 18770 19136 19366 20000 20800 21050 21892 23000 23920 24401 26000 26944 27365 28750 29900 30032 32500 33680 36800 37375 37540 38272 38732 40000 41600 42100 43171 43784 46000 46925 47840 48415 48802 52000 52625 53888 54730 57500 59800 60064 65000 67360 73600 74750 75080 77464 80000 84200 86342 87568 92000 93850 95680 96830 97604 104000 105250 109460 115000 119600 120128 122005 125879 130000 134720 136825 149500 150160 154928 168400 172684 175136 184000 186875 187700 191360 193660 195208 208000 210500 215855 218920 230000 234625 239200 240256 242075 244010 251758 260000 263125 269440 273650 299000 300320 309856 336800 345368 350272 368000 373750 375400 387320 390416 421000 431710 437840 460000 469250 478400 484150 488020 503516 520000 526250 547300 561223 598000 600640 610025 619712 629395 673600 684125 690736 700544 747500 750800 774640 780832 790217 842000 863420 875680 920000 938500 956800 968300 976040 1007032 1040000 1052500 1079275 1094600 1122446 1173125 1196000 1201280 1210375 1220050 1239424 1258790 1347200 1368250 1381472 1495000 1501600 1549280 1561664 1580434 1684000 1726840 1751360 1840000 1877000 1936600 1952080 2014064 2105000 2158550 2189200 2244892 2346250 2392000 2420750 2440100 2517580 2736500 2762944 2806115 2990000 3003200 3050125 3098560 3123328 3146975 3160868 3368000 3420625 3453680 3502720 3754000 3873200 3904160 3951085 4028128 4210000 4317100 4378400 4489784 4692500 4784000 4841500 4880200 5035160 5396375 5473000 5525888 5612230 5980000 6006400 6051875 6100250 6197120 6293950 6321736 6736000 6841250 6907360 7508000 7746400 7808320 7902170 8056256 8420000 8634200 8756800 8979568 9385000 9683000 9760400 10070320 10272821 10792750 10946000 11224460 11960000 12103750 12200500 12587900 12643472 13682500 13814720 14030575 15016000 15250625 15492800 15616640 15734875 15804340 16112512 16840000 17268400 17513600 17959136 18174991 18770000 19366000 19520800 19755425 20140640 20545642 21585500 21892000 22448920 23920000 24207500 24401000 25175800 25286944 26981875 27365000 27629440 28061150 30032000 30501250 30985600 31469750 31608680 33680000 34536800 35918272 36349982 37540000 38732000 39041600 39510850 40281280 41091284 43171000 43784000 44897840 48415000 48802000 50351600 50573888 51364105 53963750 54730000 56122300 61002500 62939500 63217360 69073600 70152875 71836544 72699964 75080000 77464000 78083200 78674375 79021700 80562560 82182568 86342000 87568000 89795680 90874955 96830000 97604000 98777125 100703200 101147776 102728210 107927500 109460000 112244600 122005000 125879000 126434720 138147200 140305750 145399928 150160000 154928000 157348750 158043400 164365136 172684000 179591360 181749910 193660000 195208000 197554250 201406400 205456420 215855000 218920000 224489200 236274883 244010000 251758000 252869440 256820525 280611500 290799856 314697500 316086800 328730272 345368000 350764375 359182720 363499820 387320000 390416000 395108500 402812800 410912840 431710000 437840000 448978400 454374775 472549766 488020000 493885625 503516000 505738880 513641050 561223000 581599712 629395000 632173600 657460544 690736000 701528750 726999640 774640000 790217000 821825680 863420000 897956800 908749550 945099532 976040000 987771250 1007032000 1027282100 1122446000 1163199424 1181374415 1258790000 1264347200 1284102625 1314921088 1403057500 1453999280 1580434000 1643651360 1726840000 1795913600 1817499100 1890199064 1952080000 1975542500 2014064000 2054564200 2244892000 2271873875 2326398848 2362748830 2517580000 2528694400 2568205250 2806115000 2907998560 3160868000 3287302720 3453680000 3634998200 3780398128 3951085000 4109128400 4489784000 4543747750 4725497660 5035160000 5136410500 5612230000 5815997120 5906872075 6321736000 6420513125 6574605440 7269996400 7560796256 7902170000 8218256800 8979568000 9087495500 9450995320 10070320000 10272821000 11224460000 11359369375 11631994240 11813744150 12643472000 12841026250 14539992800 15121592512 15804340000 16436513600 18174991000 18901990640 20545642000 22448920000 22718738750 23627488300 25682052500 29079985600 29534360375 30243185024 31608680000 32873027200 36349982000 37803981280 41091284000 44897840000 45437477500 47254976600 51364105000 58159971200 59068720750 63217360000 72699964000 75607962560 82182568000 90874955000 94509953200 102728210000 118137441500 145399928000 147671801875 151215925120 164365136000 181749910000 189019906400 205456420000 236274883000 290799856000 295343603750 363499820000 378039812800 410912840000 472549766000 590687207500 726999640000 756079625600 821825680000 945099532000 1181374415000 1453999280000 1890199064000 2362748830000 3780398128000 4725497660000 9450995320000 18901990640000
• Sum of all divisors σ(n): 53032064057280
• Sum of proper divisors (its aliquot sum) s(n): 34130073417280
• 18901990640000 is an abundant number, because the sum of its proper divisors (34130073417280) is greater than itself. Its abundance is 15228082777280

Bases of 18901990640000

• Binary: 100010011000011110110011100000000100110000000₂
• Hexadecimal: 0x1130F6700980
• Base-36: 6P7GD6WZK

Squares and roots of 18901990640000

• 18901990640000 squared (18901990640000²) is 357285250154647609600000000
• 18901990640000 cubed (18901990640000³) is 6753402454233207669157574144000000000000
• The square root of 18901990640000 is 4347641.9631795811
• The cube root of 18901990640000 is 26638.0552031627

Scales and comparisons

• 18,901,990,640,000 seconds is equal to 601,024 years, 43 weeks, 2 days, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,901,990,640,000 would take you about one million, five hundred two thousand, five hundred sixty-two 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 18901990640000 cubic inches would be around 2219.8 feet tall.

Recreational maths with 18901990640000

• 18901990640000 backwards is 00004609910981
• The number of decimal digits it has is: 14
• The sum of 18901990640000's digits is 47
• More coming soon!