71939429478

Names of 71939429478

• Cardinal: 71939429478 can be written as Seventy-one billion, nine hundred thirty-nine million, four hundred twenty-nine thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 7.1939429478 × 10¹⁰

Factors of 71939429478

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 113

Divisors of 71939429478

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 29 38 42 49 53 54 57 58 63 87 98 106 114 126 133 147 159 171 174 189 203 261 266 294 318 342 343 361 371 378 399 406 441 477 513 522 551 609 686 722 742 783 798 882 931 954 1007 1026 1029 1083 1102 1113 1197 1218 1323 1421 1431 1537 1566 1653 1827 1862 2014 2058 2166 2226 2394 2401 2527 2597 2646 2793 2842 2862 3021 3074 3087 3249 3306 3339 3591 3654 3857 4263 4611 4802 4959 5054 5194 5481 5586 6042 6174 6498 6517 6678 7049 7182 7203 7581 7714 7791 8379 8526 9063 9222 9261 9747 9918 9947 10017 10469 10759 10962 11571 12789 13034 13833 14098 14406 14877 15162 15582 16758 17689 18126 18179 18522 19133 19494 19551 19894 20034 20938 21147 21518 21609 22743 23142 23373 25137 25578 26999 27189 27666 29203 29754 29841 31407 32277 34713 35378 36358 38266 38367 39102 41499 42294 43218 45486 45619 46746 49343 50274 53067 53998 54378 54537 57399 58406 58653 59682 62814 63441 64554 64827 68229 69426 69629 70119 73283 75313 76734 80997 82998 87609 89523 91238 94221 96831 98686 104139 106134 109074 114798 117306 123823 126882 127253 129654 133931 136458 136857 139258 140238 146566 148029 150626 159201 161994 163611 172197 175218 175959 179046 188442 188993 190323 193662 204421 208278 208887 219849 225939 242991 247646 254506 262827 267862 268569 273714 282663 290493 296058 318402 327222 344394 345401 351918 371469 377986 380646 381759 401793 408842 410571 417774 439698 444087 451878 477603 485982 490833 512981 516591 525654 527191 537138 554857 565326 566979 580986 613263 626661 659547 677817 690802 728973 742938 763518 788481 803586 821142 866761 888174 937517 955206 981666 1025962 1033182 1036203 1054382 1109714 1114407 1133958 1145277 1205379 1226526 1231713 1253322 1319094 1322951 1332261 1355634 1430947 1457946 1538943 1576962 1581573 1664571 1700937 1733522 1839789 1875034 1879983 1978641 2033451 2072406 2228814 2290554 2410758 2417807 2463426 2600283 2645902 2664522 2812551 2861894 3077886 3108609 3163146 3329142 3343221 3401874 3435831 3590867 3616137 3679578 3690337 3759966 3883999 3957282 3968853 4066902 4292841 4616829 4744719 4835614 4993713 5102811 5200566 5519367 5625102 6217218 6562619 6686442 6871662 7181734 7232274 7253421 7380674 7767998 7800849 7937706 8437653 8585682 9233658 9325827 9489438 9987426 10016629 10205622 10772601 11038734 11071011 11651997 11906559 12878523 13125238 13850487 14234157 14506842 14981139 15601698 16875306 18651654 19687857 20033258 21545202 21760263 22142022 23303994 23402547 23813118 25136069 25312959 25757046 27187993 27700974 28468314 29962278 30049887 32317803 33213033 34955991 35719677 38635569 39375714 43520526 45938333 46805094 50272138 50625918 54375986 59063571 60099774 64635606 65280789 66426066 69911982 70116403 71439354 75408207 77271138 81563979 90149661 91876666 96953409 99639099 104867973 118127142 130561578 137814999 140232806 150816414 163127958 177190713 180299322 190315951 193906818 199278198 209735946 210349209 226224621 244691937 270448983 275629998 354381426 380631902 413444997 420698418 452449242 489383874 540897966 570947853 631047627 678673863 734075811 826889994 1141895706 1240334991 1262095254 1332211657 1357347726 1468151622 1712843559 1893142881 2480669982 2664423314 3425687118 3786285762 3996634971 5138530677 7993269942 10277061354 11989904913 23979809826 35969714739 71939429478
• Sum of all divisors σ(n): 207459986400
• Sum of proper divisors (its aliquot sum) s(n): 135520556922
• 71939429478 is an abundant number, because the sum of its proper divisors (135520556922) is greater than itself. Its abundance is 63581127444

Bases of 71939429478

• Binary: 1000010111111111011001001010001100110₂
• Hexadecimal: 0x10BFEC9466
• Base-36: X1QVN1I

Squares and roots of 71939429478

• 71939429478 squared (71939429478²) is 5175281513620135352484
• 71939429478 cubed (71939429478³) is 372306799477872823670837390123352
• The square root of 71939429478 is 268215.2670486899
• The cube root of 71939429478 is 4159.0007284187

Scales and comparisons

• 71,939,429,478 seconds is equal to 2,287 years, 23 weeks, 3 days, 6 hours, 51 minutes, 18 seconds.
• To count from 1 to 71,939,429,478 would take you about four thousand, five hundred seventy-four 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 71939429478 cubic inches would be around 346.6 feet tall.

Recreational maths with 71939429478

• 71939429478 backwards is 87492493917
• 71939429478 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71939429478's digits is 63
• More coming soon!