7138492409389809402

Names of 7138492409389809402

• Cardinal: 7138492409389809402 can be written as Seven quintillion, one hundred thirty-eight quadrillion, four hundred ninety-two trillion, four hundred nine billion, three hundred eighty-nine million, eight hundred nine thousand, four hundred two.

Scientific notation

• Scientific notation: 7.138492409389809402 × 10¹⁸

Factors of 7138492409389809402

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1035047

Divisors of 7138492409389809402

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 53149 106298 159447 318894 368833 478341 584639 613049 737666 956682 1106499 1169278 1226098 1435023 1753917 1839147 2212998 2870046 3319497 3507834 3678294 4057163 5261751 5517441 6638994 6743539 8114326 9958491 10523502 11034882 12171489 13487078 15785253 16552323 19916982 20230617 24342978 31570506 33104646 36514467 40461234 60691851 73028934 109543401 121383702 182075553 219086802 364151106 19603105117 32582941301 39206210234 58809315351 65165882602 97748823903 117618630702 176427946053 195497647806 215634156287 226112701817 293246471709 352855892106 358412354311 431268312574 452225403634 529283838159 586492943418 646902468861 678338105451 716824708622 879739415127 1058567676318 1075237062933 1293804937722 1356676210902 1759478830254 1940707406583 2035014316353 2150474125866 2487239719987 3225711188799 3881414813166 4070028632706 4974479439974 5822122219749 6105042949059 6451422377598 7461719159961 9677133566397 11644244439498 12210085898118 14923438319922 19354267132794 22385157479883 44770314959766 67155472439649 134310944879298 12017663988871733 24035327977743466 36052991966615199 72105983933230398 108158975899845597 132194303877589063 216317951799691194 264388607755178126 324476927699536791 396582911632767189 648953855399073582 793165823265534378 1189748734898301567 2379497469796603134 3569246204694904701 7138492409389809402
• Sum of all divisors σ(n): 17305836895663200000
• Sum of proper divisors (its aliquot sum) s(n): 10167344486273390598
• 7138492409389809402 is an abundant number, because the sum of its proper divisors (10167344486273390598) is greater than itself. Its abundance is 3028852076883581196

Bases of 7138492409389809402

• Binary: 110001100010001000001010000011001100101100000000111111011111010₂
• Hexadecimal: 0x6311050665807EFA
• Base-36: 1I8GGD8JEJCAI

Squares and roots of 7138492409389809402

• 7138492409389809402 squared (7138492409389809402²) is 50958073878915926195419610205887597604
• 7138492409389809402 cubed (7138492409389809402³) is 363763823581766460601019175622980195996830729337231872808
• The square root of 7138492409389809402 is 2671795727.4817641645
• The cube root of 7138492409389809402 is 1925464.4325528545

Scales and comparisons

• 7,138,492,409,389,809,402 seconds is equal to 226,981,977,811 years, 41 weeks, 2 days, 3 hours, 56 minutes, 42 seconds.
• To count from 1 to 7,138,492,409,389,809,402 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 7138492409389809402 cubic inches would be around 160455.4 feet tall.

Recreational maths with 7138492409389809402

• 7138492409389809402 backwards is 2049089839042948317
• The number of decimal digits it has is: 19
• The sum of 7138492409389809402's digits is 90
• More coming soon!