21988745347452

Names of 21988745347452

• Cardinal: 21988745347452 can be written as Twenty-one trillion, nine hundred eighty-eight billion, seven hundred forty-five million, three hundred forty-seven thousand, four hundred fifty-two.

Scientific notation

• Scientific notation: 2.1988745347452 × 10¹³

Factors of 21988745347452

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 363992

Divisors of 21988745347452

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 12 13 19 26 29 37 38 39 52 57 58 74 76 78 87 111 114 116 148 156 174 222 228 247 348 361 377 444 481 494 551 703 722 741 754 962 988 1073 1083 1102 1131 1406 1443 1444 1482 1508 1653 1924 2109 2146 2166 2204 2262 2812 2886 2964 3219 3306 4218 4292 4332 4524 4693 5772 6438 6612 7163 8436 9139 9386 10469 12876 13357 13949 14079 14326 18278 18772 20387 20938 21489 26714 27417 27898 28158 28652 31407 36556 40071 40774 41847 41876 42978 53428 54834 55796 56316 61161 62814 80142 81548 83694 85956 109668 122322 125628 136097 160284 167388 173641 244644 265031 272194 347282 363889 387353 408291 520923 530062 544388 694564 727778 774706 795093 816582 1041846 1060124 1091667 1162059 1455556 1549412 1590186 1633164 2083692 2183334 2324118 3180372 4366668 4648236 4730557 5035589 6913891 9461114 10071178 10552781 13463893 13827782 14191671 15106767 18922228 20142356 20741673 21105562 26927786 27655564 28383342 30213534 31658343 40391679 41483346 42211124 53855572 56766684 60427068 63316686 80783358 82966692 89880583 126633372 131363929 137186153 161566716 175030609 179761166 200502839 255813967 262727858 269641749 274372306 350061218 359522332 390452897 394091787 401005678 411558459 511627934 525091827 525455716 539283498 548744612 601508517 700122436 767441901 780905794 788183574 802011356 823116918 1023255868 1050183654 1078566996 1171358691 1203017034 1534883802 1561811588 1576367148 1646233836 1707731077 2100367308 2342717382 2406034068 2606536907 3069767604 3325581571 3415462154 3809553941 4685434764 4860465373 5075887661 5123193231 5213073814 6651163142 6830924308 7418605043 7619107882 7819610721 9720930746 9976744713 10151775322 10246386462 10426147628 11428661823 13302326284 14581396119 14837210086 15227662983 15238215764 15639221442 19441861492 19953489426 20303550644 20492772924 22255815129 22857323646 29162792238 29674420172 30455325966 31278442884 39906978852 44511630258 45714647292 49524201233 58325584476 60910651932 63186049849 89023260516 96441865559 99048402466 126372099698 140953495817 148572603699 189558149547 192883731118 198096804932 252744199396 281906991634 289325596677 297145207398 379116299094 385767462236 422860487451 563813983268 578651193354 594290414796 758232598188 845720974902 1157302386708 1691441949804 1832395445621 3664790891242 5497186336863 7329581782484 10994372673726 21988745347452
• Sum of all divisors σ(n): 61956377179200
• Sum of proper divisors (its aliquot sum) s(n): 39967631831748
• 21988745347452 is an abundant number, because the sum of its proper divisors (39967631831748) is greater than itself. Its abundance is 17978886484296

Bases of 21988745347452

• Binary: 100111111111110100111010110110000000101111100₂
• Hexadecimal: 0x13FFA75B017C
• Base-36: 7SLHN8WHO

Squares and roots of 21988745347452

• 21988745347452 squared (21988745347452²) is 483504921955091976202892304
• 21988745347452 cubed (21988745347452³) is 10631666603110171059412084450765816809408
• The square root of 21988745347452 is 4689215.8563508249
• The cube root of 21988745347452 is 28015.6143128727

Scales and comparisons

• 21,988,745,347,452 seconds is equal to 699,174 years, 4 weeks, 3 days, 10 hours, 44 minutes, 12 seconds.
• To count from 1 to 21,988,745,347,452 would take you about one million, seven hundred forty-seven thousand, nine hundred thirty-five 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 21988745347452 cubic inches would be around 2334.6 feet tall.

Recreational maths with 21988745347452

• 21988745347452 backwards is 25474354788912
• The number of decimal digits it has is: 14
• The sum of 21988745347452's digits is 69
• More coming soon!