7438307406138

Names of 7438307406138

• Cardinal: 7438307406138 can be written as Seven trillion, four hundred thirty-eight billion, three hundred seven million, four hundred six thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.438307406138 × 10¹²

Factors of 7438307406138

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7178

Divisors of 7438307406138

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 43 49 54 62 63 86 93 98 126 129 147 186 189 217 258 279 294 301 311 378 387 434 441 558 602 622 651 774 837 882 903 933 1161 1302 1323 1333 1519 1674 1806 1866 1953 2107 2177 2322 2646 2666 2709 2799 3038 3906 3999 4214 4354 4557 5418 5598 5859 6321 6531 6781 7998 8127 8397 9114 9331 9641 11718 11997 12642 13062 13373 13562 13671 15239 16254 16794 18662 18963 19282 19593 20343 23994 26746 27342 27993 28923 30478 35991 37926 39186 40119 40686 41013 45717 47467 55986 56889 57846 58779 61029 65317 67487 71982 80238 82026 83979 86769 91434 93611 94934 113778 117558 120357 122058 130634 134974 137151 142401 167958 173538 183087 187222 195951 202461 210211 240714 251937 260307 274302 280833 284802 291583 332269 361071 366174 391902 404922 411453 414563 420422 427203 472409 503874 520614 561666 583166 587853 607383 630633 655277 664538 722142 822906 829126 842499 854406 874749 944818 996807 1175706 1214766 1243689 1261266 1281609 1310554 1417227 1471477 1684998 1749498 1763559 1822149 1891899 1965831 1993614 2041081 2108891 2487378 2527497 2563218 2624247 2834454 2901941 2942954 2990421 3527118 3644298 3731067 3783798 3931662 4082162 4217782 4251681 4414431 5054994 5248494 5675697 5803882 5897493 5980842 6123243 6326673 7462134 7872741 8503362 8705823 8828862 8971263 9039073 10300339 11193201 11351394 11794986 12246486 12653346 12755043 13243293 14287567 14762237 15745482 17411646 17692479 17942526 18078146 18369729 18980019 20313587 20600678 22386402 25510086 26117469 26486586 27117219 28575134 29524474 30901017 35384958 36739458 37960038 39729879 40627174 42862701 44286711 52234938 54234438 55109187 56940057 60940761 61802034 63273511 65375621 78352407 79459758 81351657 85725402 88573422 90682313 92703051 103335659 110218374 113880114 121881522 126547022 128588103 130751242 132860133 156704814 162703314 181364626 182822283 185406102 189820533 196126863 206671318 244054971 257176206 265720266 272046939 278109153 310006977 365644566 379641066 385764309 392253726 398580399 442914577 457629347 488109942 544093878 548466849 556218306 569461599 588380589 620013954 634776191 771528618 797160798 816140817 885829154 915258694 930020931 1096933698 1138923198 1176761178 1269552382 1328743731 1372888041 1632281634 1708384797 1765141767 1860041862 1904328573 2448422451 2657487462 2745776082 2790062793 2811151703 3203405429 3416769594 3530283534 3808657146 3986231193 4118664123 4443433337 4896844902 5580125586 5622303406 5712985719 6406810858 7972462386 8237328246 8433455109 8886866674 9610216287 11425971438 11958693579 12355992369 13330300011 16866910218 17138957157 19220432574 19678061921 23917387158 24711984738 25300365327 26660600022 28830648861 34277914314 39356123842 39990900033 50600730654 57661297722 59034185763 75901095981 79981800066 86491946583 118068371526 119972700099 137746433447 151802191962 172983893166 177102557289 239945400198 275492866894 354205114578 413239300341 531307671867 826478600682 1062615343734 1239717901023 2479435802046 3719153703069 7438307406138
• Sum of all divisors σ(n): 20378449428480
• Sum of proper divisors (its aliquot sum) s(n): 12940142022342
• 7438307406138 is an abundant number, because the sum of its proper divisors (12940142022342) is greater than itself. Its abundance is 5501834616204

Bases of 7438307406138

• Binary: 1101100001111011101101010111011000100111010₂
• Hexadecimal: 0x6C3DDABB13A
• Base-36: 2MX406EYI

Squares and roots of 7438307406138

• 7438307406138 squared (7438307406138²) is 55328417068207421680075044
• 7438307406138 cubed (7438307406138³) is 411549774448339393382479786612826220072
• The square root of 7438307406138 is 2727326.0542403065
• The cube root of 7438307406138 is 19520.5196281155

Scales and comparisons

• 7,438,307,406,138 seconds is equal to 236,515 years, 8 weeks, 4 days, 21 hours, 42 minutes, 18 seconds.
• To count from 1 to 7,438,307,406,138 would take you about five hundred ninety-one thousand, two hundred eighty-seven 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 7438307406138 cubic inches would be around 1626.7 feet tall.

Recreational maths with 7438307406138

• 7438307406138 backwards is 8316047038347
• 7438307406138 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 7438307406138's digits is 54
• More coming soon!