389920122120879

Names of 389920122120879

• Cardinal: 389920122120879 can be written as Three hundred eighty-nine trillion, nine hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, eight hundred seventy-nine.

Scientific notation

• Scientific notation: 3.89920122120879 × 10¹⁴

Factors of 389920122120879

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 130

Divisors of 389920122120879

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 21 27 49 53 63 67 81 147 159 189 201 243 343 371 441 469 477 567 603 1029 1113 1323 1407 1431 1701 1809 2401 2597 2809 3087 3283 3339 3551 3969 4221 4293 4489 5427 7203 7791 8427 9261 9849 10017 10653 11907 12663 12879 13467 16281 18179 19663 21609 22981 23373 24857 25281 27783 29547 30051 31423 31959 37989 40401 54537 58989 64827 68943 70119 74571 75843 83349 88641 90153 94269 95877 113967 121203 127253 137641 148877 160867 163611 173999 176967 188203 194481 206829 210357 219961 223713 227529 237917 265923 282807 287631 363609 381759 412923 446631 482601 490833 521997 530901 564609 583443 620487 631071 659883 671139 682587 713751 797769 848421 862893 963487 1042139 1090827 1145277 1217993 1238769 1317421 1339893 1447803 1472499 1539727 1565991 1592703 1665419 1693827 1861461 1979649 2013417 2141253 2545263 2890461 3126417 3435831 3653979 3716307 3952263 4019679 4343409 4417497 4619181 4697973 4778109 4996257 5081481 5584383 5938947 6040251 6423759 6744409 7294973 7635789 8525951 8671383 9221947 9379251 9974759 10307493 10778089 10961937 11148921 11657933 11856789 12059037 12609601 13030227 13857543 14093919 14988771 15244443 17816841 19271277 20233227 21884919 25577853 26014149 27665841 28137753 29924277 30922479 32334267 32885811 33446763 34973799 35570367 36177111 37828803 39090681 41572629 42281757 44966313 45733329 51064811 53450523 57813831 60699681 64553629 65654757 69823313 76733559 78042447 81605531 82997523 84413259 88267207 89772831 97002801 98657433 104921397 106711101 113486409 124717887 134898939 153194433 182099043 193660887 196964271 209469939 230200677 234127341 244816593 248992569 253239777 264801621 269318493 291008403 295972299 314764191 320133303 340459227 357453677 374153661 404696817 451875403 459583299 488763191 546297129 571238717 580982661 590892813 617870449 628409817 668308853 690602031 734449779 746977707 794404863 807955479 873025209 944292573 1021377681 1072361031 1355626209 1378749897 1466289573 1638891387 1713716151 1742947983 1772678439 1853611347 1885229451 2004926559 2071806093 2203349337 2240933121 2383214589 2423866437 2619075627 2832877719 3064133043 3217083093 3421342337 4066878627 4136249691 4325093143 4398868719 4678161971 5141148453 5228843949 5560834041 5655688353 6014779677 6610048011 7149643767 9651249279 10264027011 12200635881 12408749073 12975279429 13196606157 14034485913 15423445359 15686531847 16682502123 16967065059 18044339031 19830144033 21448931301 23949396359 28953747837 30275652001 30792081033 32747133797 36601907643 38925838287 39589818471 42103457739 46270336077 50047506369 54133017093 71848189077 86861243511 90826956003 92376243099 98241401391 109805722929 116777514861 118769455413 126310373217 138811008231 150142519107 162399051279 215544567231 229229936579 272480868009 277128729297 294724204173 350332544583 378931119651 646633701693 687689809737 817442604027 831386187891 884172612519 1050997633749 1136793358953 1604609556053 1939901105079 2063069429211 2452327812081 2652517837557 4813828668159 5819703315237 6189208287633 7356983436243 7957553512671 14441486004477 18567624862899 43324458013431 55702874588697 129973374040293 389920122120879
• Sum of all divisors σ(n): 705007278677520
• Sum of proper divisors (its aliquot sum) s(n): 315087156556641
• 389920122120879 is a deficient number, because the sum of its proper divisors (315087156556641) is less than itself. Its deficiency is 74832965564238

Bases of 389920122120879

• Binary: 1011000101010000101011010010111101010101010101111₂
• Hexadecimal: 0x162A15A5EAAAF
• Base-36: 3U7QTX9RXR

Squares and roots of 389920122120879

• 389920122120879 squared (389920122120879²) is 152037701634761192869087732641
• 389920122120879 cubed (389920122120879³) is 59282559188403849100288516972904558235911439
• The square root of 389920122120879 is 19746395.1677484415
• The cube root of 389920122120879 is 73056.4473722429

Scales and comparisons

• 389,920,122,120,879 seconds is equal to 12,398,253 years, 40 weeks, 4 days, 9 hours, 34 minutes, 39 seconds.
• To count from 1 to 389,920,122,120,879 would take you about thirty million, nine hundred ninety-five thousand, six hundred thirty-four 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 389920122120879 cubic inches would be around 6088 feet tall.

Recreational maths with 389920122120879

• 389920122120879 backwards is 978021221029983
• 389920122120879 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 389920122120879's digits is 63
• More coming soon!