64989138942

Names of 64989138942

• Cardinal: 64989138942 can be written as Sixty-four billion, nine hundred eighty-nine million, one hundred thirty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 6.4989138942 × 10¹⁰

Factors of 64989138942

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 228

Divisors of 64989138942

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 13 14 17 18 21 26 27 34 39 42 49 51 54 63 78 83 91 98 102 103 117 119 126 147 153 166 169 182 189 206 221 234 238 249 273 294 306 309 338 351 357 378 441 442 459 498 507 546 581 618 637 663 702 714 721 747 819 833 882 918 927 1014 1071 1079 1162 1183 1274 1323 1326 1339 1411 1442 1494 1521 1547 1638 1666 1743 1751 1854 1911 1989 2142 2158 2163 2241 2366 2457 2499 2646 2678 2781 2822 2873 3042 3094 3213 3237 3486 3502 3549 3822 3978 4017 4067 4233 4326 4482 4563 4641 4914 4998 5047 5229 5253 5562 5733 5746 5967 6426 6474 6489 7098 7497 7553 8034 8134 8281 8466 8549 8619 9126 9282 9373 9711 9877 10094 10458 10506 10647 10829 11466 11934 12051 12201 12257 12699 12978 13923 14027 14994 15106 15141 15687 15759 16562 17098 17199 17238 17407 18343 18746 19422 19467 19754 20111 21294 21658 22491 22659 22763 24102 24402 24514 24843 25398 25647 25857 27846 28054 28119 29133 29631 30282 31374 31518 31941 32487 34398 34814 36153 36603 36686 36771 38097 38934 40222 41769 42081 44982 45318 45423 45526 47277 49686 51294 51714 52221 52871 55029 56238 58266 59262 59843 60333 63882 64974 65611 67977 68289 69139 72306 73206 73542 74529 76194 76941 77571 83538 84162 84357 85799 88893 90846 94554 97461 98189 104442 105742 109809 110058 110313 111137 119686 120666 121849 126243 128401 131222 135954 136269 136578 138278 140777 145333 149058 153882 155142 156663 158613 159341 165087 168714 171598 177786 179529 180999 194922 196378 196833 203931 204867 207417 219618 220626 222274 223587 230823 238459 243698 252486 253071 256802 257397 266679 272538 281554 290666 292383 294567 295919 313326 317226 318682 330174 330939 333411 359058 361998 365547 378729 385203 393666 407862 409734 414834 418901 422331 435999 447174 461646 469989 475839 476918 478023 495261 506142 514794 533358 538587 542997 584766 589134 590499 591838 614601 622251 661878 666822 687323 715377 731094 757458 770406 772191 777959 837802 844662 852943 871998 883701 887757 898807 939978 951678 956046 990522 1000233 1017331 1077174 1085994 1096641 1115387 1155609 1180998 1229202 1244502 1256703 1266993 1307997 1374646 1427517 1430754 1434069 1444781 1544382 1555918 1615761 1669213 1705886 1767402 1771497 1775514 1797614 1866753 1889329 2000466 2034662 2061969 2071433 2146131 2193282 2230774 2311218 2316573 2333877 2513406 2533986 2558829 2615994 2651103 2663271 2696421 2855034 2868138 2889562 3000699 3051993 3231522 3289923 3338426 3346161 3466827 3542994 3733506 3770109 3778658 3800979 3923991 4123938 4142866 4292262 4302207 4334343 4633146 4667754 5007639 5117658 5302206 5326542 5392842 5445713 5667987 6001398 6103986 6185907 6214299 6438393 6579846 6692322 6933654 7001631 7121317 7540218 7601958 7676487 7847982 7989813 8089263 8604414 8668686 9155979 10015278 10038483 10113467 10891426 11310327 11335974 11684491 12371814 12428598 12876786 13003029 13225303 14003262 14242634 14500031 15022917 15352974 15979626 16178526 16337139 17003961 18311958 18557721 18642897 20076966 20226934 21004893 21363951 22620654 23029461 23368982 24267789 24561277 26006058 26450606 27467937 29000062 30045834 30115449 30340401 32674278 34007922 35053473 37115442 37285794 39009087 39675909 42009786 42727902 43500093 45068751 46058922 48535578 49011417 49122554 51011883 54935874 55928691 60230898 60680802 64091853 70106946 70794269 73683831 78018174 79351818 87000186 90137502 91021203 92577121 98022834 102023766 105160419 111857382 119027727 128183706 130500279 141588538 147034251 147367662 171928939 182042406 185154242 192275559 210320838 212382807 221051493 238055454 261000558 273063609 277731363 294068502 315481257 343857878 357083181 384551118 391500837 424765614 442102986 515786817 546127218 555462726 630962514 637148421 663154479 714166362 783001674 833194089 1031573634 1203502573 1274296842 1326308958 1547360451 1666388178 1911445263 2407005146 2499582267 3094720902 3610507719 3822890526 4642081353 4999164534 7221015438 9284162706 10831523157 21663046314 32494569471 64989138942
• Sum of all divisors σ(n): 196830466560
• Sum of proper divisors (its aliquot sum) s(n): 131841327618
• 64989138942 is an abundant number, because the sum of its proper divisors (131841327618) is greater than itself. Its abundance is 66852188676

Bases of 64989138942

• Binary: 111100100001101001111000111111111110₂
• Hexadecimal: 0xF21A78FFE
• Base-36: TUSUSJI

Squares and roots of 64989138942

• 64989138942 squared (64989138942²) is 4223588180422580879364
• 64989138942 cubed (64989138942³) is 274487359091272073043219536592888
• The square root of 64989138942 is 254929.6745025969
• The cube root of 64989138942 is 4020.5018008037

Scales and comparisons

• 64,989,138,942 seconds is equal to 2,066 years, 23 weeks, 4 days, 2 hours, 35 minutes, 42 seconds.
• To count from 1 to 64,989,138,942 would take you about four thousand, one hundred thirty-two 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 64989138942 cubic inches would be around 335 feet tall.

Recreational maths with 64989138942

• 64989138942 backwards is 24983198946
• 64989138942 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64989138942's digits is 63
• More coming soon!