19638191619440

Names of 19638191619440

• Cardinal: 19638191619440 can be written as Nineteen trillion, six hundred thirty-eight billion, one hundred ninety-one million, six hundred nineteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.963819161944 × 10¹³

Factors of 19638191619440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 89006

Divisors of 19638191619440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 31 34 40 58 62 68 80 85 116 124 136 145 155 170 181 232 248 272 290 310 340 362 464 493 496 527 580 620 680 724 899 905 986 1054 1160 1240 1360 1448 1798 1810 1972 2108 2320 2465 2480 2635 2896 3077 3596 3620 3944 4216 4495 4930 5249 5270 5611 6154 7192 7240 7888 8432 8990 9860 10498 10540 11222 12308 14384 14480 15283 15385 17980 19720 20996 21080 22444 24616 26245 28055 30566 30770 35960 39440 41992 42160 44888 49232 52490 56110 61132 61540 71920 76415 83984 88741 89233 89776 95387 104980 112220 122264 123080 152830 162719 177482 178466 190774 209960 224440 244528 246160 305660 325438 354964 356932 381548 419920 443705 446165 448880 476935 611320 650876 709928 713864 763096 813595 887410 892330 953870 1222640 1301752 1419856 1427728 1508597 1526192 1627190 1774820 1784660 1907740 2573489 2603504 2750971 2766223 3017194 3254380 3549640 3569320 3815480 5146978 5501942 5532446 6034388 6508760 7099280 7138640 7542985 7630960 10293956 11003884 11064892 12068776 12867445 13017520 13754855 13831115 15085970 16062121 20587912 22007768 22129784 24137552 25734890 27509710 27662230 30171940 32124242 41175824 43749313 44015536 44259568 46766507 51469780 55019420 55324460 60343880 64248484 79778159 80310605 87498626 93533014 102939560 110038840 110648920 120687760 128496968 159556318 160621210 174997252 187066028 205879120 218746565 220077680 221297840 233832535 256993936 273056057 319112636 321242420 349994504 374132056 398890795 437493130 465801509 467665070 497925751 546112114 638225272 642484840 699989008 748264112 797781590 874986260 931603018 935330140 995851502 1092224228 1276450544 1284969680 1356228703 1365280285 1595563180 1749972520 1863206036 1870660280 1991703004 2184448456 2329007545 2489628755 2712457406 2730560570 3191126360 3499945040 3726412072 3741320560 3983406008 4368896912 4658015090 4979257510 5424914812 5461121140 6382252720 6781143515 7452824144 7918625653 7966812016 8464737767 9316030180 9958515020 10849829624 10922242280 13562287030 14439846779 15837251306 16929475534 18632060360 19917030040 21699659248 21844484560 27124574060 28879693558 31674502612 33858951068 37264120720 39593128265 39834060080 42323688835 54249148120 57759387116 63349005224 67717902136 72199233895 79186256530 84647377670 108498296240 115518774232 126698010448 135435804272 144398467790 158372513060 169294755340 231037548464 245477395243 288796935580 316745026120 338589510680 490954790486 577593871160 633490052240 677179021360 981909580972 1155187742320 1227386976215 1963819161944 2454773952430 3927638323888 4909547904860 9819095809720 19638191619440
• Sum of all divisors σ(n): 51910747499520
• Sum of proper divisors (its aliquot sum) s(n): 32272555880080
• 19638191619440 is an abundant number, because the sum of its proper divisors (32272555880080) is greater than itself. Its abundance is 12634364260640

Bases of 19638191619440

• Binary: 100011101110001011111011011110111110101110000₂
• Hexadecimal: 0x11DC5F6F7D70
• Base-36: 6YLNS8WA8

Squares and roots of 19638191619440

• 19638191619440 squared (19638191619440²) is 385658570081843449785913600
• 19638191619440 cubed (19638191619440³) is 7573636898946471950491786921683920384000
• The square root of 19638191619440 is 4431499.9288547891
• The cube root of 19638191619440 is 26979.4959187265

Scales and comparisons

• 19,638,191,619,440 seconds is equal to 624,433 years, 38 weeks, 6 days, 11 hours, 37 minutes, 20 seconds.
• To count from 1 to 19,638,191,619,440 would take you about one million, five hundred sixty-one thousand and 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 19638191619440 cubic inches would be around 2248.3 feet tall.

Recreational maths with 19638191619440

• 19638191619440 backwards is 04491619183691
• 19638191619440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19638191619440's digits is 62
• More coming soon!