20491494359040

Names of 20491494359040

• Cardinal: 20491494359040 can be written as Twenty trillion, four hundred ninety-one billion, four hundred ninety-four million, three hundred fifty-nine thousand and forty.

Scientific notation

• Scientific notation: 2.049149435904 × 10¹³

Factors of 20491494359040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 56

Divisors of 20491494359040

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 29 30 32 34 36 40 45 48 51 54 58 60 64 68 72 80 81 85 87 90 96 102 108 116 120 128 135 136 144 145 153 160 162 170 174 180 192 204 216 232 240 243 255 256 261 270 272 288 290 306 320 324 340 348 360 384 405 408 432 435 459 464 480 486 493 510 512 522 540 544 576 580 612 640 648 680 696 720 729 765 768 783 810 816 841 864 870 918 928 960 972 986 1020 1024 1044 1080 1088 1152 1160 1215 1224 1280 1296 1305 1360 1377 1392 1440 1458 1479 1530 1536 1566 1620 1632 1682 1728 1740 1836 1856 1920 1944 1972 2040 2048 2088 2160 2176 2187 2295 2304 2320 2349 2430 2448 2465 2523 2560 2592 2610 2720 2754 2784 2880 2916 2958 3060 3072 3132 3240 3264 3364 3456 3480 3645 3672 3712 3840 3888 3915 3944 4080 4096 4131 4176 4205 4320 4352 4374 4437 4590 4608 4640 4698 4860 4896 4930 5046 5120 5184 5220 5440 5508 5568 5760 5832 5916 6120 6144 6264 6480 6528 6728 6885 6912 6960 7047 7290 7344 7395 7424 7569 7680 7776 7830 7888 8160 8192 8262 8352 8410 8640 8704 8748 8874 9180 9216 9280 9396 9720 9792 9860 10092 10240 10368 10440 10880 10935 11016 11136 11520 11664 11745 11832 12240 12288 12393 12528 12615 12960 13056 13311 13456 13770 13824 13920 14094 14297 14580 14688 14790 14848 15138 15360 15552 15660 15776 16320 16384 16524 16704 16820 17280 17408 17496 17748 18360 18432 18560 18792 19440 19584 19720 20184 20480 20655 20736 20880 21141 21760 21870 22032 22185 22272 22707 23040 23328 23490 23664 24480 24576 24786 25056 25230 25920 26112 26622 26912 27540 27648 27840 28188 28594 29160 29376 29580 29696 30276 30720 31104 31320 31552 32640 32768 33048 33408 33640 34560 34816 34992 35235 35496 36720 36864 37120 37179 37584 37845 38880 39168 39440 39933 40368 40960 41310 41472 41760 42282 42891 43520 43740 44064 44370 44544 45414 46080 46656 46980 47328 48960 49152 49572 50112 50460 51840 52224 53244 53824 55080 55296 55680 56376 57188 58320 58752 59160 59392 60552 61440 61965 62208 62640 63104 63423 65280 65536 66096 66555 66816 67280 68121 69120 69632 69984 70470 70992 71485 73440 73728 74240 74358 75168 75690 77760 78336 78880 79866 80736 81920 82620 82944 83520 84564 85782 87040 87480 88128 88740 89088 90828 92160 93312 93960 94656 97920 98304 99144 100224 100920 103680 104448 105705 106488 107648 110160 110592 111360 112752 113535 114376 116640 117504 118320 118784 119799 121104 122880 123930 124416 125280 126208 126846 128673 130560 131072 132192 133110 133632 134560 136242 138240 139264 139968 140940 141984 142970 146880 147456 148480 148716 150336 151380 155520 156672 157760 159732 161472 163840 165240 165888 167040 169128 171564 174080 174960 176256 177480 178176 181656 184320 185895 186624 187920 189312 195840 196608 198288 199665 200448 201840 204363 207360 208896 211410 212976 214455 215296 220320 221184 222720 225504 227070 228752 233280 235008 236640 237568 239598 242208 245760 247860 248832 250560 252416 253692 257346 261120 264384 266220 267264 269120 272484 276480 278528 279936 281880 283968 285940 293760 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37668188160 37947211776 39255736320 40022449920 40179400704 41564897280 42163568640 42690613248 44162703360 44643778560 47106883584 47434014720 50224250880 50596282368 53363266560 56920817664 58883604480 60269101056 63245352960 64035919872 66965667840 70660325376 71151022080 75336376320 75894423552 78511472640 80044899840 80358801408 84327137280 85381226496 88325406720 94868029440 100448501760 106726533120 113841635328 117767208960 120538202112 126490705920 128071839744 133931335680 141320650752 142302044160 150672752640 151788847104 160089799680 170762452992 176650813440 189736058880 200897003520 213453066240 227683270656 235534417920 241076404224 252981411840 256143679488 284604088320 301345505280 320179599360 341524905984 353301626880 379472117760 401794007040 426906132480 455366541312 512287358976 569208176640 602691010560 640359198720 683049811968 706603253760 758944235520 853812264960 1024574717952 1138416353280 1205382021120 1280718397440 1366099623936 1707624529920 2049149435904 2276832706560 2561436794880 3415249059840 4098298871808 5122873589760 6830498119680 10245747179520 20491494359040
• Sum of all divisors σ(n): 80882398134720
• Sum of proper divisors (its aliquot sum) s(n): 60390903775680
• 20491494359040 is an abundant number, because the sum of its proper divisors (60390903775680) is greater than itself. Its abundance is 39899409416640

Bases of 20491494359040

• Binary: 100101010001100001100001111100000000000000000₂
• Hexadecimal: 0x12A30C3E0000
• Base-36: 79HNUO000

Squares and roots of 20491494359040

• 20491494359040 squared (20491494359040²) is 419901341066568140429721600
• 20491494359040 cubed (20491494359040³) is 8604405961818912146747422727957643264000
• The square root of 20491494359040 is 4526753.1807068963
• The cube root of 20491494359040 is 27364.7326993019

Scales and comparisons

• 20,491,494,359,040 seconds is equal to 651,566 years, 7 weeks, 14 hours, 24 minutes.
• To count from 1 to 20,491,494,359,040 would take you about one million, six hundred twenty-eight thousand, nine hundred fifteen 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 20491494359040 cubic inches would be around 2280.4 feet tall.

Recreational maths with 20491494359040

• 20491494359040 backwards is 04095349419402
• 20491494359040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20491494359040's digits is 54
• More coming soon!