1990921372790

Names of 1990921372790

• Cardinal: 1990921372790 can be written as One trillion, nine hundred ninety billion, nine hundred twenty-one million, three hundred seventy-two thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.99092137279 × 10¹²

Factors of 1990921372790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 478

Divisors of 1990921372790

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 14 19 31 35 38 62 67 70 95 133 134 155 190 217 266 310 335 347 434 469 589 665 670 694 938 961 1085 1178 1273 1330 1735 1922 2077 2170 2345 2429 2546 2945 3470 4123 4154 4489 4690 4805 4858 5890 6365 6593 6727 8246 8911 8978 9610 10385 10757 12145 12730 13186 13454 14539 17822 18259 20615 20770 21514 22445 23249 24290 29078 31423 32965 33635 36518 39463 41230 44555 44890 46151 46498 53785 62846 64387 65930 67270 72695 75299 78926 85291 89110 91295 92302 107570 116245 127813 128774 139159 145390 150598 157115 162743 170582 182590 197315 204383 230755 232490 255626 276241 278318 314230 321935 325486 333467 376495 394630 408766 426455 441731 450709 461510 552482 597037 639065 643870 666934 695795 720719 752990 813715 852910 883462 901418 974113 1021915 1194074 1223353 1278130 1381205 1391590 1430681 1441438 1557683 1627430 1667335 1948226 2043830 2208655 2253545 2334269 2446706 2644021 2762410 2861362 2985185 3092117 3115366 3334670 3603595 4313929 4417310 4507090 4668538 4870565 5045033 5288042 5970370 6116765 6184234 6335873 7153405 7207190 7788415 8563471 8627858 9741130 10090066 10903781 11671345 12233530 12671746 13220105 13693661 14306810 15460585 15576830 17126942 18508147 21569645 21807562 22342289 23342690 25225165 26440210 27387322 29595977 30197503 30921170 31679365 37016294 42817355 43139290 44351111 44684578 48288173 50450330 54518905 59191954 60395006 63358730 68468305 81964651 85634710 88702222 92540735 95855627 96576346 109037810 111711445 136936610 147979885 150987515 156396023 163929302 185081470 191711254 207171839 221755555 223422890 241440865 295959770 301975030 312792046 338017211 409823255 414343678 424503491 443511110 479278135 482881730 573752557 676034422 781980115 819646510 849006982 917475287 958556270 1035859195 1147505114 1496933363 1563960230 1690086055 1834950574 2071718390 2122517455 2868762785 2971524437 2993866726 3380172110 4245034910 4587376435 5737525570 5943048874 6422327009 7484666815 9174752870 10478533541 12844654018 14857622185 14969333630 20957067082 28441733897 29715244370 32111635045 52392667705 56883467794 64223270090 104785335410 142208669485 199092137279 284417338970 398184274558 995460686395 1990921372790
• Sum of all divisors σ(n): 4535237226240
• Sum of proper divisors (its aliquot sum) s(n): 2544315853450
• 1990921372790 is an abundant number, because the sum of its proper divisors (2544315853450) is greater than itself. Its abundance is 553394480660

Bases of 1990921372790

• Binary: 11100111110001100001010010100010001110110₂
• Hexadecimal: 0x1CF8C294476
• Base-36: PEM76IYE

Squares and roots of 1990921372790

• 1990921372790 squared (1990921372790²) is 3963767912632018152384100
• 1990921372790 cubed (1990921372790³) is 7891550254038290362052751783368639000
• The square root of 1990921372790 is 1411000.1321013405
• The cube root of 1990921372790 is 12580.1176577325

Scales and comparisons

• 1,990,921,372,790 seconds is equal to 63,305 years, 7 weeks, 2 days, 10 hours, 39 minutes, 50 seconds.
• To count from 1 to 1,990,921,372,790 would take you about one hundred fifty-eight thousand, two 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 1990921372790 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990921372790

• 1990921372790 backwards is 0972731290991
• The number of decimal digits it has is: 13
• The sum of 1990921372790's digits is 59
• More coming soon!