1991122974750

Names of 1991122974750

• Cardinal: 1991122974750 can be written as One trillion, nine hundred ninety-one billion, one hundred twenty-two million, nine hundred seventy-four thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.99112297475 × 10¹²

Factors of 1991122974750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 301

Divisors of 1991122974750

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 25 26 30 35 39 42 49 50 65 70 75 78 91 98 105 125 130 147 150 169 175 182 195 210 245 250 271 273 294 325 338 343 350 375 390 455 490 507 525 542 546 637 650 686 735 750 813 845 875 910 975 1014 1029 1050 1183 1225 1274 1355 1365 1470 1625 1626 1690 1715 1750 1897 1911 1950 2058 2197 2275 2366 2450 2535 2625 2710 2730 3185 3250 3430 3523 3549 3675 3794 3822 4065 4225 4394 4459 4550 4875 5070 5145 5250 5691 5915 6125 6370 6591 6775 6825 7046 7098 7350 8130 8281 8450 8575 8918 9485 9555 9750 10290 10569 10985 11375 11382 11830 12250 12675 13182 13279 13377 13550 13650 15379 15925 16562 17150 17615 17745 18375 18970 19110 20325 21125 21138 21970 22295 22750 24661 24843 25350 25725 26558 26754 28455 28561 29575 30758 31850 32955 33875 34125 35230 35490 36750 39837 40650 41405 42250 42875 44590 45799 46137 47425 47775 49322 49686 51450 52845 54925 56910 57122 57967 59150 63375 65910 66395 66885 67750 68250 73983 76895 79625 79674 82810 85683 85750 88075 88725 91598 92274 92953 94850 95550 101625 105690 107653 109850 111475 115934 123305 124215 126750 128625 132790 133770 137397 142275 142805 147875 147966 153790 159250 164775 171366 172627 173901 176150 177450 185906 199185 199927 203250 207025 215306 222950 228995 230685 237125 238875 246610 248430 257250 264225 274625 274794 278859 284550 285610 289835 295750 320593 322959 329550 331975 334425 345254 347802 369915 384475 398370 399854 414050 428415 440375 443625 457990 461370 464765 474250 477750 517881 528450 538265 549250 557375 557718 579670 595387 599781 616525 621075 641186 645918 663950 668850 686985 711375 714025 739830 753571 768950 823875 856830 863135 869505 880750 887250 929530 961779 995925 999635 1035125 1035762 1076530 1114750 1144975 1153425 1190774 1199562 1208389 1233050 1242150 1321125 1373970 1394295 1399489 1422750 1428050 1449175 1507142 1602965 1614795 1647750 1659875 1672125 1726270 1739010 1786161 1849575 1922375 1923558 1991850 1999270 2070250 2142075 2244151 2260713 2289950 2306850 2323825 2416778 2589405 2642250 2691325 2788590 2798978 2898350 2976935 2998905 3082625 3105375 3205930 3229590 3319750 3344250 3434925 3570125 3572322 3625167 3699150 3767855 3844750 4167709 4198467 4284150 4315675 4347525 4488302 4521426 4647650 4808895 4979625 4998175 5178810 5382650 5724875 5767125 5953870 5997810 6041945 6165250 6210750 6732453 6869850 6971475 6997445 7140250 7245875 7250334 7535710 7740031 8014825 8073975 8335418 8396934 8631350 8695050 8930805 9247875 9617790 9796423 9959250 9996350 10710375 11220755 11303565 11449750 11534250 11619125 12083890 12503127 12947025 13456625 13464906 13942950 13994890 14491750 14884675 14994525 15480062 15709057 16029650 16147950 17174625 17861610 18125835 18495750 18839275 19592846 20838545 20992335 21420750 21578375 21737625 22441510 22607130 23220093 23238250 24044475 24990875 25006254 25894050 26913250 29173963 29389269 29769350 29989050 30209725 31418114 33662265 34349250 34857375 34987225 36251670 37678550 38700155 40074125 40369875 41677090 41984670 43156750 43475250 44654025 46440186 47127171 48088950 48982115 49981750 54180217 56103775 56517825 58347926 58778538 60419450 62515635 64735125 67324530 69714750 69974450 74423375 74972625 77400310 78545285 80148250 80739750 87521889 89308050 90629175 94196375 94254342 97964230 104192725 104961675 108360434 112207550 113035650 116100465 120222375 125031270 129470250 145869815 146946345 148846750 149945250 151048625 157090570 162540651 168311325 174936125 175043778 181258350 188392750 193500775 204217741 208385450 209923350 223270125 232200930 235635855 240444750 244910575 270901085 280518875 282589125 291739630 293892690 302097250 312578175 325081302 336622650 349872250 379261519 387001550 392726425 408435482 437609445 446540250 453145875 471271710 489821150 520963625 524808375 541802170 561037750 565178250 580502325 612653223 625156350 729349075 734731725 758523038 785452850 812703255 841556625 875218890 906291750 967503875 1021088705 1041927250 1049616750 1137784557 1161004650 1178179275 1224552875 1225306446 1354505425 1458698150 1469463450 1562890875 1625406510 1683113250 1896307595 1935007750 1963632125 2042177410 2188047225 2275569114 2356358550 2449105750 2654830633 2709010850 2902511625 3063266115 3125781750 3646745375 3673658625 3792615190 3927264250 4063516275 4376094450 5105443525 5309661266 5688922785 5805023250 5890896375 6126532230 6772527125 7293490750 7347317250 7964491899 8127032550 9481537975 10210887050 10940236125 11377845570 11781792750 13274153165 13545054250 15316330575 15928983798 18963075950 20317581375 21880472250 25527217625 26548306330 28444613925 30632661150 39822459495 40635162750 47407689875 51054435250 56889227850 66370765825 76581652875 79644918990 94815379750 132741531650 142223069625 153163305750 199112297475 284446139250 331853829125 398224594950 663707658250 995561487375 1991122974750
• Sum of all divisors σ(n): 6301864857600
• Sum of proper divisors (its aliquot sum) s(n): 4310741882850
• 1991122974750 is an abundant number, because the sum of its proper divisors (4310741882850) is greater than itself. Its abundance is 2319618908100

Bases of 1991122974750

• Binary: 11100111110011000001011010111100000011110₂
• Hexadecimal: 0x1CF982D781E
• Base-36: PEPJ7K0U

Squares and roots of 1991122974750

• 1991122974750 squared (1991122974750²) is 3964570700577289137562500
• 1991122974750 cubed (1991122974750³) is 7893947806940143489874306964046875000
• The square root of 1991122974750 is 1411071.5696767473
• The cube root of 1991122974750 is 12580.5422669631

Scales and comparisons

• 1,991,122,974,750 seconds is equal to 63,311 years, 28 weeks, 4 days, 19 hours, 12 minutes, 30 seconds.
• To count from 1 to 1,991,122,974,750 would take you about one hundred fifty-eight thousand, two hundred seventy-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 1991122974750 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991122974750

• 1991122974750 backwards is 0574792211991
• The number of decimal digits it has is: 13
• The sum of 1991122974750's digits is 57
• More coming soon!