71644981968

Names of 71644981968

• Cardinal: 71644981968 can be written as Seventy-one billion, six hundred forty-four million, nine hundred eighty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 7.1644981968 × 10¹⁰

Factors of 71644981968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 89

Divisors of 71644981968

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 23 24 28 34 36 37 42 46 48 51 56 63 68 69 72 74 84 92 102 111 112 119 126 136 138 144 148 153 161 168 184 204 207 222 238 252 259 272 276 289 296 306 322 333 336 357 368 391 408 414 444 476 483 504 518 552 578 592 612 629 644 666 714 777 782 816 828 851 867 888 952 966 1008 1036 1071 1104 1156 1173 1224 1258 1288 1332 1428 1449 1554 1564 1656 1702 1734 1776 1887 1904 1932 2023 2072 2142 2312 2331 2346 2448 2516 2553 2576 2601 2664 2737 2856 2898 3108 3128 3312 3404 3468 3519 3774 3864 4046 4144 4284 4403 4624 4662 4692 4913 5032 5106 5202 5328 5474 5661 5712 5796 5957 6069 6216 6256 6647 6808 6936 7038 7548 7659 7728 8092 8211 8568 8806 9324 9384 9826 10064 10212 10404 10693 10948 11322 11592 11914 12138 12432 13209 13294 13616 13872 14076 14467 14739 15096 15318 16184 16422 17136 17612 17871 18207 18648 18768 19652 19941 20424 20808 21386 21896 22644 23184 23828 24276 24633 26418 26588 28152 28934 29478 30192 30636 32079 32368 32844 34391 35224 35742 36414 37296 39304 39627 39882 40848 41616 42772 43401 43792 44217 45288 46529 47656 48552 49266 52836 53176 53613 56304 57868 58956 59823 61272 64158 65688 68782 70448 71484 72828 74851 78608 79254 79764 83521 85544 86802 88434 90576 93058 95312 96237 97104 98532 101269 103173 105672 106352 107226 112999 115736 117912 119646 122544 128316 130203 131376 137564 139587 142968 145656 149702 158508 159528 167042 171088 173604 176868 181781 186116 192474 197064 202538 206346 211344 214452 224553 225998 231472 235824 239292 245939 250563 256632 260406 275128 279174 285936 291312 299404 303807 309519 317016 319056 334084 338997 347208 353736 363562 372232 384948 394128 405076 412692 418761 428904 449106 451996 478584 491878 501126 513264 520812 545343 550256 558348 584647 598808 607614 619038 634032 668168 673659 677994 694416 707472 727124 737817 744464 751689 769896 790993 810152 825384 837522 857808 898212 903992 911421 957168 983756 1002252 1016991 1041624 1090686 1116696 1169294 1197616 1215228 1238076 1272467 1336336 1347318 1355988 1454248 1475634 1503378 1539792 1581986 1620304 1636029 1650768 1675044 1721573 1753941 1796424 1807984 1822842 1920983 1967512 2004504 2033982 2083248 2181372 2213451 2233392 2338588 2372979 2430456 2476152 2544934 2694636 2711976 2908496 2951268 3006756 3090277 3163972 3272058 3350088 3443146 3507882 3592848 3645684 3817401 3841966 3935024 4009008 4067964 4180963 4362744 4426902 4677176 4745958 4860912 4952304 5089868 5164719 5261823 5389272 5423952 5762949 5902536 6013512 6180554 6327944 6544116 6700176 6886292 7015764 7118937 7291368 7634802 7683932 8135928 8361926 8725488 8853804 9270831 9354352 9491916 10179736 10329438 10523646 10778544 11452203 11525898 11805072 12027024 12361108 12542889 12655888 13088232 13446881 13772584 14031528 14237874 14582736 15269604 15367864 15494157 16271856 16723852 17288847 17707608 18541662 18983832 20359472 20658876 21047292 21631939 22904406 23051796 24722216 25085778 26176464 26893762 27545168 27812493 28063056 28475748 29266741 30539208 30735728 30988314 33447704 34577694 35415216 37083324 37628667 37967664 40340643 41317752 42094584 43263878 45808812 46103592 49444432 50171556 53787524 55624986 56951496 58533482 61078416 61976628 64895817 66895408 69155388 71076371 74166648 75257334 80681286 82635504 84189168 86527756 87800223 91617624 92207184 100343112 107575048 111249972 113902992 117066964 121021929 123953256 129791634 138310776 142152742 148333296 150514668 161362572 173055512 175600446 183235248 194687451 200686224 213229113 215150096 222499944 234133928 242043858 247906512 259583268 263400669 276621552 284305484 301029336 322725144 346111024 351200892 389374902 426458226 444999888 468267856 484087716 497534597 519166536 526801338 568610968 602058672 639687339 645450288 702401784 778749804 852916452 968175432 995069194 1038333072 1053602676 1137221936 1279374678 1404803568 1492603791 1557499608 1705832904 1936350864 1990138388 2107205352 2558749356 2985207582 3114999216 3411665808 3980276776 4214410704 4477811373 5117498712 5970415164 7960553552 8955622746 10234997424 11940830328 17911245492 23881660656 35822490984 71644981968
• Sum of all divisors σ(n): 260924097408
• Sum of proper divisors (its aliquot sum) s(n): 189279115440
• 71644981968 is an abundant number, because the sum of its proper divisors (189279115440) is greater than itself. Its abundance is 117634133472

Bases of 71644981968

• Binary: 1000010101110010111111010101011010000₂
• Hexadecimal: 0x10AE5FAAD0
• Base-36: WWVKLW0

Squares and roots of 71644981968

• 71644981968 squared (71644981968²) is 5133003441195045153024
• 71644981968 cubed (71644981968³) is 367753938986100958359350280671232
• The square root of 71644981968 is 267665.8027615781
• The cube root of 71644981968 is 4153.3187169615

Scales and comparisons

• 71,644,981,968 seconds is equal to 2,278 years, 4 weeks, 4 days, 7 hours, 52 minutes, 48 seconds.
• To count from 1 to 71,644,981,968 would take you about four thousand, five hundred fifty-six 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 71644981968 cubic inches would be around 346.1 feet tall.

Recreational maths with 71644981968

• 71644981968 backwards is 86918944617
• 71644981968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71644981968's digits is 63
• More coming soon!