21070285040631708

Names of 21070285040631708

• Cardinal: 21070285040631708 can be written as Twenty-one quadrillion, seventy trillion, two hundred eighty-five billion, forty million, six hundred thirty-one thousand, seven hundred eight.

Scientific notation

• Scientific notation: 2.1070285040631708 × 10¹⁶

Factors of 21070285040631708

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2154

Divisors of 21070285040631708

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 709 729 756 972 1134 1418 1433 1458 1701 2127 2268 2836 2866 2916 3402 4254 4299 4963 5103 5732 6381 6804 8508 8598 9926 10031 10206 12762 12897 14889 17196 19143 19852 20062 20412 25524 25794 29778 30093 38286 38691 40124 44667 51588 57429 59556 60186 76572 77382 89334 90279 114858 116073 120372 134001 154764 172287 178668 180558 229716 232146 268002 270837 344574 348219 361116 402003 464292 502681 516861 536004 541674 689148 696438 804006 812511 1005362 1015997 1033722 1044657 1083348 1206009 1392876 1508043 1608012 1625022 2010724 2031994 2053489 2067444 2089314 2412018 2437533 3016086 3047991 3250044 3518767 3618027 4063988 4106978 4178628 4524129 4824036 4875066 6032172 6095982 6160467 7037534 7111979 7236054 7312599 8213956 9048258 9143973 9750132 10556301 12191964 12320934 13572387 14075068 14223958 14374423 14472108 14625198 18096516 18287946 18481401 21112602 21335937 24641868 27144774 27431919 28447916 28748846 29250396 31668903 36575892 36962802 40717161 42225204 42671874 43123269 54289548 54863838 55444203 57497692 63337806 64007811 73925604 81434322 82295757 85343748 86246538 95006709 109727676 110888406 122151483 126675612 128015622 129369807 162868644 164591514 166332609 172493076 190013418 192023433 221776812 244302966 246887271 256031244 258739614 285020127 329183028 332665218 366454449 380026836 384046866 388109421 488605932 493774542 498997827 517479228 570040254 576070299 665330436 720341873 732908898 740661813 768093732 776218842 855060381 987549084 997995654 1140080508 1152140598 1164328263 1440683746 1455923701 1465817796 1481323626 1496993481 1552437684 1710120762 1728210897 1995991308 2161025619 2304281196 2328656526 2565181143 2881367492 2911847402 2962647252 2993986962 3420241524 3456421794 3492984789 4322051238 4367771103 4657313052 5042393111 5130362286 5184632691 5823694804 5987973924 6483076857 6912843588 6985969578 8644102476 8735542206 10084786222 10191465907 10260724572 10369265382 10478954367 12966153714 13103313309 13971939156 15127179333 17471084412 19449230571 20169572444 20382931814 20738530764 20957908734 25932307428 26206626618 30254358666 30574397721 38898461142 39309939927 40765863628 41915817468 45381537999 52413253236 58347691713 60508717332 61148795442 77796922284 78619879854 90763075998 91723193163 116695383426 117929819781 122297590884 136144613997 157239759708 175043075139 181526151996 183446386326 233390766852 235859639562 272289227994 275169579489 350086150278 353789459343 366892772652 408433841991 471719279124 525129225417 544578455988 550339158978 700172300556 707578918686 816867683982 825508738467 1032249904009 1050258450834 1061368378029 1100678317956 1225301525973 1415157837372 1633735367964 1651017476934 2064499808018 2100516901668 2122736756058 2450603051946 2476526215401 3096749712027 3302034953868 3675904577919 4128999616036 4245473512116 4901206103892 4953052430802 6193499424054 7225749328063 7351809155838 7429578646203 9290249136081 9906104861604 12386998848108 14451498656126 14703618311676 14859157292406 18580498272162 21677247984189 27870747408243 28902997312252 29718314584812 37160996544324 43354495968378 55741494816486 65031743952567 83612242224729 86708991936756 111482989632972 130063487905134 167224484449458 195095231857701 250836726674187 260126975810268 334448968898916 390190463715402 501673453348374 585285695573103 752510180022561 780380927430804 1003346906696748 1170571391146206 1505020360045122 1755857086719309 2341142782292412 3010040720090244 3511714173438618 5267571260157927 7023428346877236 10535142520315854 21070285040631708
• Sum of all divisors σ(n): 63315375764202744
• Sum of proper divisors (its aliquot sum) s(n): 42245090723571036
• 21070285040631708 is an abundant number, because the sum of its proper divisors (42245090723571036) is greater than itself. Its abundance is 21174805682939328

Bases of 21070285040631708

• Binary: 1001010110110110101000000000111001010011011111110011100₂
• Hexadecimal: 0x4ADB500729BF9C
• Base-36: 5RGSJBIJXR0

Squares and roots of 21070285040631708

• 21070285040631708 squared (21070285040631708²) is 443956911693468336844495694997264
• 21070285040631708 cubed (21070285040631708³) is 9354298675139938096300315944776617186625891646912
• The square root of 21070285040631708 is 145156071.3185353059
• The cube root of 21070285040631708 is 276199.8702810869

Scales and comparisons

• 21,070,285,040,631,708 seconds is equal to 669,969,889 years, 32 weeks, 2 days, 3 hours, 1 minute, 48 seconds.
• To count from 1 to 21,070,285,040,631,708 would take you about two billion, nine million, nine hundred nine thousand, six hundred sixty-eight 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 21070285040631708 cubic inches would be around 23016.7 feet tall.

Recreational maths with 21070285040631708

• 21070285040631708 backwards is 80713604058207012
• 21070285040631708 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21070285040631708's digits is 54
• More coming soon!