18927138197520

Names of 18927138197520

• Cardinal: 18927138197520 can be written as Eighteen trillion, nine hundred twenty-seven billion, one hundred thirty-eight million, one hundred ninety-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.892713819752 × 10¹³

Factors of 18927138197520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1692711

Divisors of 18927138197520

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 98 105 112 120 126 140 144 147 168 180 196 210 240 245 252 280 294 315 317 336 360 392 420 441 490 504 560 588 630 634 720 735 784 840 882 951 980 1008 1176 1260 1268 1470 1585 1680 1764 1902 1960 2205 2219 2352 2520 2536 2853 2940 3170 3528 3804 3920 4410 4438 4755 5040 5072 5706 5880 6340 6657 7056 7608 8820 8876 9510 11095 11412 11760 12680 13314 14265 15216 15533 17640 17752 19020 19971 22190 22824 25360 26628 28530 31066 33285 35280 35504 38040 39942 44380 45648 46599 53256 57060 62132 66570 76080 77665 79884 88760 93198 99855 106512 114120 124264 133140 139797 155330 159768 177520 186396 199710 228240 232995 248528 266280 279594 310660 319536 372792 399420 465990 532560 559188 621320 698985 745584 798840 931980 1118376 1242640 1397970 1597680 1692377 1863960 2236752 2795940 3384754 3727920 5077131 5591880 6769508 8461885 10154262 11183760 11846639 13539016 15231393 16923770 20308524 23693278 25385655 27078032 30462786 33847540 35539917 40617048 47386556 50771310 59233195 60925572 67695080 71079834 76156965 81234096 82926473 94773112 101542620 106619751 118466390 121851144 135390160 142159668 152313930 165852946 177699585 189546224 203085240 213239502 236932780 243702288 248779419 284319336 304627860 331705892 355399170 406170480 414632365 426479004 473865560 497558838 533098755 536483509 568638672 609255720 663411784 710798340 746338257 829264730 852958008 947731120 995117676 1066197510 1072967018 1218511440 1243897095 1326823568 1421596680 1492676514 1609450527 1658529460 1705916016 1990235352 2132395020 2145934036 2487794190 2682417545 2843193360 2985353028 3218901054 3317058920 3731691285 3755384563 3980470704 4264790040 4291868072 4828351581 4975588380 5364835090 5970706056 6437802108 6634117840 7463382570 7510769126 8047252635 8529580080 8583736144 9656703162 9951176760 10729670180 11266153689 11941412112 12875604216 14926765140 15021538252 16094505270 18776922815 19313406324 19902353520 21459340360 22532307378 24141757905 25751208432 26287691941 29853530280 30043076504 32189010540 33798461067 37553845630 38626812648 42918680720 45064614756 48283515810 52575383882 56330768445 59707060560 60086153008 64378021080 67596922134 75107691260 77253625296 78863075823 90129229512 96567031620 105150767764 112661536890 128756042160 131438459705 135193844268 150215382520 157726151646 168992305335 180258459024 193134063240 210301535528 225323073780 236589227469 262876919410 270387688536 300430765040 315452303292 337984610670 386268126480 394315379115 420603071056 450646147560 473178454938 525753838820 540775377072 630904606584 675969221340 788630758230 901292295120 946356909876 1051507677640 1182946137345 1261809213168 1351938442680 1577261516460 1892713819752 2103015355280 2365892274690 2703876885360 3154523032920 3785427639504 4731784549380 6309046065840 9463569098760 18927138197520
• Sum of all divisors σ(n): 74174673492504
• Sum of proper divisors (its aliquot sum) s(n): 55247535294984
• 18927138197520 is an abundant number, because the sum of its proper divisors (55247535294984) is greater than itself. Its abundance is 36320397097464

Bases of 18927138197520

• Binary: 100010011011011010001010110010101000000010000₂
• Hexadecimal: 0x1136D1595010
• Base-36: 6PJ09ECK0

Squares and roots of 18927138197520

• 18927138197520 squared (18927138197520²) is 358236560348020634534150400
• 18927138197520 cubed (18927138197520³) is 6780392885111199976616466066740587008000
• The square root of 18927138197520 is 4350533.0934863603
• The cube root of 18927138197520 is 26649.8632217483

Scales and comparisons

• 18,927,138,197,520 seconds is equal to 601,824 years, 23 weeks, 2 days, 12 hours, 12 minutes.
• To count from 1 to 18,927,138,197,520 would take you about one million, five hundred four thousand, five hundred sixty-one 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 18927138197520 cubic inches would be around 2220.8 feet tall.

Recreational maths with 18927138197520

• 18927138197520 backwards is 02579183172981
• 18927138197520 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18927138197520's digits is 63
• More coming soon!