138986608488

Names of 138986608488

• Cardinal: 138986608488 can be written as One hundred thirty-eight billion, nine hundred eighty-six million, six hundred eight thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38986608488 × 10¹¹

Factors of 138986608488

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 685

Divisors of 138986608488

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 29 37 39 42 52 56 58 74 78 84 87 91 104 111 116 127 148 156 168 174 182 203 222 232 254 259 273 296 312 348 364 377 381 406 444 467 481 508 518 546 609 696 728 754 762 777 812 888 889 934 962 1016 1036 1073 1092 1131 1218 1401 1443 1508 1524 1554 1624 1651 1778 1868 1924 2072 2146 2184 2262 2436 2639 2667 2802 2886 3016 3048 3108 3219 3269 3302 3367 3556 3683 3736 3848 4292 4524 4699 4872 4953 5278 5334 5604 5772 6071 6216 6438 6538 6604 6734 7112 7366 7511 7917 8584 9048 9398 9807 9906 10101 10556 10668 11049 11208 11544 11557 12142 12876 13076 13208 13468 13543 13949 14097 14732 15022 15834 17279 18213 18796 19614 19812 20202 21112 21336 22098 22533 23114 24284 25752 25781 26152 26936 27086 27898 28194 29464 30044 31668 32893 34558 34671 36426 37592 39228 39624 40404 40629 41847 42497 44196 45066 46228 47879 48568 51562 51837 54172 55796 56388 59309 60088 61087 63336 65786 69116 69342 72852 77343 78456 80808 81258 83694 84994 88392 90132 92456 94801 95758 97643 98679 103124 103674 108344 111592 112776 118618 120953 122174 127491 131572 136271 138232 138684 143637 145704 154686 162516 167388 169988 176059 177927 180264 183261 189602 191516 195286 197358 206248 207348 224627 237236 241906 244348 254982 263144 272542 277368 284403 287274 292929 309372 325032 334776 335153 339976 352118 355854 362859 366522 379204 383032 390572 394716 408813 414696 415163 427609 449254 474472 483812 488696 501091 509964 528177 545084 568806 574548 585858 618744 670306 673881 704236 711708 725718 733044 758408 771017 781144 789432 817626 830326 855218 898508 953897 967624 1002182 1005459 1019928 1056354 1090168 1137612 1149096 1171716 1232413 1245489 1282827 1340612 1347762 1408472 1423416 1451436 1466088 1503273 1542034 1572389 1635252 1660652 1710436 1719961 1771523 1797016 1907794 2004364 2010918 2112708 2194433 2275224 2313051 2343432 2464826 2490978 2565654 2681224 2695524 2861691 2902872 3006546 3084068 3144778 3270504 3321304 3420872 3439922 3507637 3543046 3697239 3815588 4008728 4021836 4225416 4388866 4626102 4717167 4929652 4981956 5131308 5159883 5314569 5391048 5397119 5723382 6013092 6168136 6289556 6514183 6583299 6879844 7015274 7086092 7394478 7631176 8043672 8777732 9252204 9434334 9859304 9963912 10262616 10319766 10522911 10629138 10794238 11446764 12026184 12039727 12400661 12579112 13028366 13166598 13759688 14030548 14172184 14788956 15361031 16191357 17555464 18504408 18868668 19542549 20639532 21045822 21258276 21588476 22359493 22893528 24079454 24801322 26056732 26333196 28061096 28527629 29577912 30722062 32382714 36119181 37201983 37737336 39085098 41279064 42091644 42516552 43176952 44718986 45599281 46083093 48158908 49602644 52113464 52666392 57055258 61444124 63638557 64765428 67078479 72238362 74403966 78170196 84183288 85582887 89437972 91198562 92166186 96317816 99205288 114110516 122888248 127277114 129530856 134156958 136797843 144476724 148807932 156340392 156516451 171165774 178875944 182397124 184332372 190915671 199693403 228221032 254554228 268313916 273595686 288953448 297615864 313032902 342331548 364794248 368664744 381831342 399386806 445469899 469549353 509108456 536627832 547191372 599080209 626065804 684663096 763662684 798773612 827301241 890939798 939098706 1094382744 1198160418 1252131608 1336409697 1527325368 1597547224 1654602482 1781879596 1878197412 2396320836 2481903723 2672819394 3309204964 3563759192 3756394824 4792641672 4963807446 5345638788 5791108687 6618409928 9927614892 10691277576 11582217374 17373326061 19855229784 23164434748 34746652122 46328869496 69493304244 138986608488
• Sum of all divisors σ(n): 458912563200
• Sum of proper divisors (its aliquot sum) s(n): 319925954712
• 138986608488 is an abundant number, because the sum of its proper divisors (319925954712) is greater than itself. Its abundance is 180939346224

Bases of 138986608488

• Binary: 10000001011100001111110101011101101000₂
• Hexadecimal: 0x205C3F5768
• Base-36: 1RUL1DGO

Squares and roots of 138986608488

• 138986608488 squared (138986608488²) is 19317277338996593646144
• 138986608488 cubed (138986608488³) is 2684842862569234015862244538870272
• The square root of 138986608488 is 372809.0777972017
• The cube root of 138986608488 is 5179.9351085821

Scales and comparisons

• 138,986,608,488 seconds is equal to 4,419 years, 17 weeks, 6 days, 7 hours, 14 minutes, 48 seconds.
• To count from 1 to 138,986,608,488 would take you about eight thousand, eight hundred thirty-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 138986608488 cubic inches would be around 431.7 feet tall.

Recreational maths with 138986608488

• 138986608488 backwards is 884806689831
• The number of decimal digits it has is: 12
• The sum of 138986608488's digits is 69
• More coming soon!