21385472175340

Names of 21385472175340

• Cardinal: 21385472175340 can be written as Twenty-one trillion, three hundred eighty-five billion, four hundred seventy-two million, one hundred seventy-five thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.138547217534 × 10¹³

Factors of 21385472175340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 249591

Divisors of 21385472175340

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 49 52 62 65 70 91 98 124 130 140 155 182 196 217 245 260 310 343 364 403 434 455 490 620 637 686 806 868 910 961 980 1085 1274 1372 1519 1612 1715 1820 1922 2015 2170 2548 2821 3038 3185 3430 3844 4030 4340 4459 4805 5642 6076 6370 6727 6860 7595 8060 8918 9610 10633 11284 12493 12740 13454 14105 15190 17836 19220 19747 21266 22295 24986 26908 28210 30380 33635 39494 42532 44590 47089 49972 53165 56420 62465 67270 78988 87451 89180 94178 98735 106330 124930 134540 138229 174902 188356 197470 212660 235445 249533 249860 276458 329623 349804 394940 437255 470890 499066 552916 612157 659246 691145 874510 941780 998132 1224314 1247665 1318492 1382290 1648115 1746731 1749020 2448628 2495330 2764580 3060785 3243929 3296230 3493462 4285099 4990660 6121570 6487858 6592460 6986924 7735523 8570198 8733655 12227117 12243140 12975716 15471046 16219645 17140396 17467310 21425495 22707503 24454234 30942092 32439290 34934620 38677615 42850990 45415006 48908468 54148661 61135585 64878580 77355230 85589819 85701980 90830012 100561799 108297322 113537515 122271170 154710460 158952521 171179638 201123598 216594644 227075030 239801213 244542340 270743305 317905042 342359276 379040627 402247196 427949095 454150060 479602426 502808995 541486610 635810084 703932593 758081254 794762605 855898190 959204852 1005617990 1082973220 1112667647 1199006065 1407865186 1516162508 1589525210 1678608491 1711796380 1895203135 2011235980 2225335294 2398012130 2653284389 2815730372 3117415769 3179050420 3357216982 3519662965 3790406270 4450670588 4796024260 4927528151 5306568778 5563338235 6234831538 6714433964 7039325930 7580812540 8393042455 9855056302 10613137556 11126676470 11750259437 12469663076 13266421945 14078651860 15587078845 16786084910 19710112604 21821910383 22253352940 23500518874 24637640755 26532843890 31174157690 33572169820 34492697057 43643820766 47001037748 49275281510 53065687780 58751297185 62348315380 68985394114 82251816059 87287641532 98550563020 109109551915 117502594370 137970788228 152753372681 164503632118 172463485285 218219103830 235005188740 305506745362 329007264236 344926970570 411259080295 436438207660 611013490724 689853941140 763766863405 822518160590 1069273608767 1527533726810 1645036321180 2138547217534 3055067453620 4277094435068 5346368043835 10692736087670 21385472175340
• Sum of all divisors σ(n): 58279564022400
• Sum of proper divisors (its aliquot sum) s(n): 36894091847060
• 21385472175340 is an abundant number, because the sum of its proper divisors (36894091847060) is greater than itself. Its abundance is 15508619671720

Bases of 21385472175340

• Binary: 100110111001100110001011110001110110011101100₂
• Hexadecimal: 0x13733178ECEC
• Base-36: 7KWCLZ5RG

Squares and roots of 21385472175340

• 21385472175340 squared (21385472175340²) is 457338420162241351704115600
• 21385472175340 cubed (21385472175340³) is 9780398059093566475357915056362829304000
• The square root of 21385472175340 is 4624442.9043226385
• The cube root of 21385472175340 is 27757.0270007145

Scales and comparisons

• 21,385,472,175,340 seconds is equal to 679,991 years, 45 weeks, 1 hour, 35 minutes, 40 seconds.
• To count from 1 to 21,385,472,175,340 would take you about one million, six hundred ninety-nine thousand, nine hundred seventy-nine 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 21385472175340 cubic inches would be around 2313.1 feet tall.

Recreational maths with 21385472175340

• 21385472175340 backwards is 04357127458312
• 21385472175340 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21385472175340's digits is 52
• More coming soon!