21478190140764

Names of 21478190140764

• Cardinal: 21478190140764 can be written as Twenty-one trillion, four hundred seventy-eight billion, one hundred ninety million, one hundred forty thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 2.1478190140764 × 10¹³

Factors of 21478190140764

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 1103

Divisors of 21478190140764

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 243 252 294 324 343 378 441 486 567 588 686 729 756 882 972 1029 1091 1134 1323 1372 1458 1701 1764 2058 2182 2187 2268 2646 2916 3087 3273 3402 3969 4116 4364 4374 5103 5292 6174 6546 6561 6804 7637 7938 8748 9261 9819 10206 11907 12348 13092 13122 15274 15309 15876 18522 19638 19683 20412 22911 23814 26244 27783 29457 30548 30618 35721 37044 39276 39366 45822 45927 47628 53459 55566 58914 59049 61236 68733 71442 78732 83349 88371 91644 91854 106918 107163 111132 117828 118098 137466 137781 142884 160377 166698 176742 177147 183708 206199 213836 214326 236196 250047 265113 274932 275562 320754 321489 333396 353484 354294 374213 412398 413343 428652 481131 500094 530226 531441 551124 618597 641508 642978 708588 748426 750141 795339 824796 826686 962262 964467 1000188 1060452 1062882 1122639 1237194 1240029 1285956 1443393 1496852 1500282 1590678 1594323 1653372 1855791 1924524 1928934 2125764 2245278 2250423 2386017 2474388 2480058 2886786 2893401 3000564 3181356 3188646 3367917 3711582 3720087 3857868 4330179 4490556 4500846 4772034 4782969 4960116 5567373 5773572 5786802 6377292 6735834 6751269 7158051 7423164 7440174 8660358 8680203 9001692 9544068 9565938 10103751 11134746 11160261 11573604 12990537 13471668 13502538 14316102 14348907 14880348 16702119 17320716 17360406 19131876 20207502 20253807 21474153 22269492 22320522 25981074 26040609 27005076 28632204 28697814 30311253 33404238 33480783 34720812 38971611 40415004 40507614 42948306 44641044 50106357 51962148 52081218 57395628 60622506 60761421 64422459 66808476 66961566 77943222 78121827 81015228 85896612 90933759 100212714 100442349 104162436 116914833 121245012 121522842 128844918 133923132 150319071 155886444 156243654 181867518 182284263 193267377 200425428 200884698 233829666 234365481 243045684 257689836 272801277 300638142 312487308 350744499 363735036 364568526 386534754 401769396 450957213 467659332 468730962 545602554 546852789 579802131 601276284 701488998 703096443 729137052 773069508 818403831 901914426 937461924 1052233497 1091205108 1093705578 1159604262 1352871639 1402977996 1406192886 1636807662 1640558367 1739406393 1803828852 2104466994 2187411156 2319208524 2455211493 2705743278 2812385772 3156700491 3273615324 3281116734 3478812786 4058614917 4208933988 4910422986 4921675101 5218219179 5411486556 6313400982 6562233468 6957625572 7365634479 8117229834 9470101473 9820845972 9843350202 10436438358 12175844751 12626801964 14731268958 15654657537 16234459668 18940202946 19686700404 20872876716 22096903437 24351689502 28410304419 29462537916 31309315074 36527534253 37880405892 44193806874 48703379004 56820608838 62618630148 66290710311 73055068506 85230913257 88387613748 109582602759 113641217676 132581420622 146110137012 170461826514 198872130933 219165205518 255692739771 265162841244 340923653028 397744261866 438330411036 511385479542 596616392799 767078219313 795488523732 1022770959084 1193232785598 1534156438626 1789849178397 2386465571196 3068312877252 3579698356794 5369547535191 7159396713588 10739095070382 21478190140764
• Sum of all divisors σ(n): 65809825536000
• Sum of proper divisors (its aliquot sum) s(n): 44331635395236
• 21478190140764 is an abundant number, because the sum of its proper divisors (44331635395236) is greater than itself. Its abundance is 22853445254472

Bases of 21478190140764

• Binary: 100111000100011000111111001001100110101011100₂
• Hexadecimal: 0x1388C7E4CD5C
• Base-36: 7M2XZUXR0

Squares and roots of 21478190140764

• 21478190140764 squared (21478190140764²) is 461312651722811894134503696
• 21478190140764 cubed (21478190140764³) is 9908160848042595303590649404339518263744
• The square root of 21478190140764 is 4634456.8334125197
• The cube root of 21478190140764 is 27797.0832389903

Scales and comparisons

• 21,478,190,140,764 seconds is equal to 682,940 years, 3 days, 15 hours, 59 minutes, 24 seconds.
• To count from 1 to 21,478,190,140,764 would take you about one million, seven hundred seven thousand, three hundred fifty 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 21478190140764 cubic inches would be around 2316.4 feet tall.

Recreational maths with 21478190140764

• 21478190140764 backwards is 46704109187412
• 21478190140764 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21478190140764's digits is 54
• More coming soon!