1991194559928

Names of 1991194559928

• Cardinal: 1991194559928 can be written as One trillion, nine hundred ninety-one billion, one hundred ninety-four million, five hundred fifty-nine thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.991194559928 × 10¹²

Factors of 1991194559928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 203

Divisors of 1991194559928

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 191 196 216 243 252 294 324 378 382 392 441 486 504 567 573 588 648 729 756 764 882 972 1134 1146 1176 1323 1337 1458 1512 1528 1701 1719 1764 1944 2268 2292 2646 2674 2916 3402 3438 3528 3969 4011 4536 4584 5103 5157 5292 5348 5832 6804 6876 7938 8022 9359 10206 10314 10584 10696 11907 12033 13608 13752 15471 15876 16044 18718 20412 20628 23814 24066 28077 30942 31752 32088 35721 36099 36481 37436 40824 41256 46413 47628 48132 56154 61884 71442 72198 72962 74872 84231 92826 95256 96264 108297 109443 112308 123768 139239 142884 144396 145924 168462 185652 216594 218886 224616 252693 255367 278478 285768 288792 291848 324891 328329 336924 371304 433188 437772 505386 510734 556956 649782 656658 673848 758079 766101 866376 875544 974673 984987 1010772 1021468 1113912 1299564 1313316 1516158 1532202 1787569 1949346 1969974 2021544 2042936 2274237 2298303 2599128 2626632 2954961 3032316 3064404 3575138 3898692 3939948 4548474 4596606 5362707 5909922 6064632 6128808 6822711 6894909 6967871 7150276 7797384 7879896 8864883 9096948 9193212 10725414 11819844 13645422 13789818 13935742 14300552 16088121 17729766 18193896 18386424 20684727 20903613 21450828 23639688 26594649 27290844 27579636 27871484 32176242 35459532 41369454 41807226 42901656 48264363 48775097 53189298 54581688 55159272 55742968 62054181 62710839 64352484 70919064 82738908 83614452 96528726 97550194 106378596 124108362 125421678 128704968 144793089 146325291 165477816 167228904 186162543 188132517 193057452 195100388 212757192 248216724 250843356 289586178 292650582 341425679 372325086 376265034 386114904 390200776 434379267 438975873 496433448 501686712 564397551 579172356 585301164 682851358 744650172 752530068 868758534 877951746 1024277037 1128795102 1158344712 1170602328 1303137801 1316927619 1365702716 1489300344 1505060136 1693192653 1737517068 1755903492 2048554074 2257590204 2606275602 2633855238 2731405432 3072831111 3386385306 3475034136 3511806984 3950782857 4097108148 4515180408 5079577959 5212551204 5267710476 6145662222 6772770612 7901565714 8194216296 9218493333 10159155918 10425102408 10535420952 11852348571 12291324444 13545541224 15803131428 18436986666 20318311836 23704697142 24582648888 27655479999 31606262856 35557045713 36873973332 40636623672 47409394284 55310959998 71114091426 73747946664 82966439997 94818788568 110621919996 142228182852 165932879994 221243839992 248899319991 284456365704 331865759988 497798639982 663731519976 995597279964 1991194559928
• Sum of all divisors σ(n): 6545851436160
• Sum of proper divisors (its aliquot sum) s(n): 4554656876232
• 1991194559928 is an abundant number, because the sum of its proper divisors (4554656876232) is greater than itself. Its abundance is 2563462316304

Bases of 1991194559928

• Binary: 11100111110011100011100011100010110111000₂
• Hexadecimal: 0x1CF9C71C5B8
• Base-36: PEQPTVI0

Squares and roots of 1991194559928

• 1991194559928 squared (1991194559928²) is 3964855775486861583365184
• 1991194559928 cubed (1991194559928³) is 7894799251048550520434686840196746752
• The square root of 1991194559928 is 1411096.9349863955
• The cube root of 1991194559928 is 12580.6930310589

Scales and comparisons

• 1,991,194,559,928 seconds is equal to 63,313 years, 43 weeks, 7 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,991,194,559,928 would take you about one hundred fifty-eight thousand, two hundred eighty-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 1991194559928 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991194559928

• 1991194559928 backwards is 8299554911991
• 1991194559928 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1991194559928's digits is 72
• More coming soon!