1998264878775

Names of 1998264878775

• Cardinal: 1998264878775 can be written as One trillion, nine hundred ninety-eight billion, two hundred sixty-four million, eight hundred seventy-eight thousand, seven hundred seventy-five.

Scientific notation

• Scientific notation: 1.998264878775 × 10¹²

Factors of 1998264878775

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 108

Divisors of 1998264878775

• Number of divisors d(n): 720
• Complete list of divisors:
  1 3 5 9 11 15 19 25 27 29 33 41 45 55 57 75 81 87 95 99 121 123 135 145 165 171 205 209 225 261 275 285 297 319 361 363 369 405 435 451 475 495 513 551 605 615 627 675 725 779 783 825 855 891 957 1025 1045 1083 1089 1107 1189 1305 1353 1425 1485 1539 1595 1653 1805 1815 1845 1881 2025 2175 2255 2299 2337 2349 2475 2565 2755 2871 3025 3075 3135 3249 3267 3321 3509 3567 3895 3915 3971 4059 4275 4455 4785 4959 4961 5225 5415 5445 5535 5643 5945 6061 6525 6765 6859 6897 7011 7425 7695 7975 8265 8569 8613 9025 9075 9225 9405 9747 9801 10469 10527 10701 11275 11495 11685 11745 11913 12177 12825 13079 13775 14355 14801 14877 14883 15675 16245 16335 16605 16929 17545 17835 18183 19475 19575 19855 20295 20577 20691 21033 22275 22591 23925 24795 24805 25707 25839 27075 27225 27675 28215 29241 29725 30305 31407 31581 32103 33825 34295 34485 35055 35739 36531 38475 39237 41325 42845 43065 43681 44403 44631 44649 47025 48735 49005 52345 52635 53505 54549 57475 58425 58725 59565 60885 61731 62073 63099 65395 66671 67773 71775 74005 74385 74415 75449 77121 81225 81675 83025 84645 87725 89175 90915 94221 94259 94743 96309 99275 101475 102885 103455 105165 107217 112955 115159 117711 123975 124025 128535 129195 131043 133209 133947 141075 143869 146205 151525 157035 157905 160515 162811 163647 171475 172425 175275 178695 182655 185193 186219 196185 198911 200013 203319 214225 215325 218405 222015 223155 223245 226347 231363 243675 245025 248501 261725 263175 267525 272745 281219 282663 282777 284229 297825 304425 308655 310365 315495 321651 326975 333355 338865 345477 353133 370025 371925 372075 377245 385605 393129 399627 401841 423225 429229 431607 454575 471105 471295 473715 481545 488433 490941 514425 517275 525825 536085 555579 564775 575795 588555 596733 600039 609957 642675 645975 655215 666045 669735 679041 694089 719345 731025 745503 785175 789525 802575 814055 818235 829939 843657 847989 848331 893475 913275 925965 931095 980925 994555 1000065 1016595 1036431 1059399 1092025 1110075 1115775 1116225 1131735 1156815 1179387 1198881 1242505 1266749 1287687 1294821 1363725 1406095 1413315 1413885 1421145 1465299 1543275 1551825 1577475 1608255 1666775 1694325 1727385 1765665 1790199 1790921 1800117 1829871 1886225 1928025 1965645 1998135 2009205 2037123 2146145 2158035 2188021 2236509 2355525 2356475 2368575 2407725 2442165 2454705 2489817 2530971 2544993 2680425 2733511 2777895 2878975 2942775 2983665 3000195 3049785 3093409 3109293 3276075 3330225 3348675 3395205 3470445 3538161 3596725 3727515 3800247 3863061 3884463 4070275 4091175 4149695 4218285 4239945 4241655 4395897 4629825 4655475 4721519 4972775 5000325 5082975 5182155 5296995 5370597 5372763 5400351 5658675 5784075 5896935 5994405 6111369 6212525 6333745 6438435 6474105 6564063 6709527 7030475 7066575 7069425 7105725 7326495 7469451 7592913 7634979 8041275 8155351 8200533 8636925 8828325 8950995 8954605 9000585 9149355 9280227 9327879 9828225 9990675 10046025 10185615 10730725 10790175 10940105 11182545 11400741 11589183 11653389 12210825 12273525 12449085 12654855 12724965 13187691 13667555 13889475 14164557 14918325 15000975 15248925 15467045 15546465 16111791 16118289 16976025 17352225 17690805 18637575 19001235 19315305 19422315 19692189 20128581 20748475 21091425 21199725 21208275 21979485 22408353 22778739 23607595 24068231 24466053 24601599 25910775 26484975 26852985 26863815 27001755 27840681 29484675 29972025 30556845 31668725 32192175 32370525 32820315 33547635 34027499 34202223 34767549 36632475 37347255 37964565 38174895 40776755 41002665 42493671 44754975 44773025 45002925 45746775 46401135 46639395 48354867 50928075 51936709 54700525 55912725 57003705 57945915 58266945 59076567 62245425 63274275 63624825 65938455 67225059 68337775 70822785 72204693 73398159 73804797 77335225 77732325 80558955 80591445 83522043 88454025 89708861 95006175 96576525 97111575 98460945 100642905 102082497 102606669 109897425 112041765 113893695 118037975 120341155 122330265 123007995 127481013 134264925 134319075 135008775 139203405 145064601 152784225 155810127 164101575 167738175 170137495 171011115 173837745 177229701 186736275 189822825 190874475 203883775 205013325 212468355 216614079 220194477 221414391 232005675 233196975 241774335 250566129 259683545 269126583 285018525 289729575 291334725 295382835 306247491 329692275 336125295 354113925 361023465 366990795 369023985 382443039 402794775 402957225 417610215 448544305 467430381 492304725 503214525 510412485 513033345 560208825 569468475 601705775 611651325 615039975 637405065 649842237 660583431 696017025 725323005 779050635 807379749 850687475 855055575 869188725 886148505 918742473 986797471 1062341775 1083070395 1100972385 1107071955 1208871675 1252830645 1298417725 1345632915 1402291143 1476914175 1531237455 1680626475 1805117325 1834953975 1845119925 1912215195 1949526711 2088051075 2242721525 2337151905 2422139247 2552062425 2565166725 2756227419 2960392413 3187025325 3249211185 3302917155 3626615025 3895253175 4036898745 4206873429 4430742525 4593712365 4933987355 5415351975 5504861925 5535359775 6264153225 6728164575 7011455715 7266417741 7656187275 8881177239 9561075975 9747633555 11685759525 12110696235 13781137095 14801962065 16246055925 16514585775 20184493725 21034367145 22968561825 24669936775 26643531717 35057278575 36332088705 44405886195 48738167775 60553481175 68905685475 74009810325 79930595151 105171835725 133217658585 181660443525 222029430975 399652975755 666088292925 1998264878775
• Sum of all divisors σ(n): 4551010279200
• Sum of proper divisors (its aliquot sum) s(n): 2552745400425
• 1998264878775 is an abundant number, because the sum of its proper divisors (2552745400425) is greater than itself. Its abundance is 554480521650

Bases of 1998264878775

• Binary: 11101000101000001110111100100011010110111₂
• Hexadecimal: 0x1D141DE46B7
• Base-36: PHZNBCFR

Squares and roots of 1998264878775

• 1998264878775 squared (1998264878775²) is 3993062525745665445500625
• 1998264878775 cubed (1998264878775³) is 7979196603950157477935012784811734375
• The square root of 1998264878775 is 1413599.9712701611
• The cube root of 1998264878775 is 12595.5659185215

Scales and comparisons

• 1,998,264,878,775 seconds is equal to 63,538 years, 33 weeks, 2 days, 17 hours, 26 minutes, 15 seconds.
• To count from 1 to 1,998,264,878,775 would take you about one hundred fifty-eight thousand, eight hundred forty-six 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 1998264878775 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998264878775

• 1998264878775 backwards is 5778784628991
• 1998264878775 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998264878775's digits is 81
• More coming soon!