21988940424668304

Names of 21988940424668304

• Cardinal: 21988940424668304 can be written as Twenty-one quadrillion, nine hundred eighty-eight trillion, nine hundred forty billion, four hundred twenty-four million, six hundred sixty-eight thousand, three hundred four.

Scientific notation

• Scientific notation: 2.1988940424668304 × 10¹⁶

Factors of 21988940424668304

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 137

Divisors of 21988940424668304

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 53 79 106 158 159 212 237 316 318 424 474 632 636 848 948 1264 1272 1896 2544 2809 3792 4187 5618 6241 8374 8427 11236 12482 12561 16748 16854 18723 22472 24964 25122 33496 33708 37446 44944 49928 50244 66992 67416 74892 99856 100488 134832 148877 149784 200976 221911 297754 299568 330773 443822 446631 493039 595508 661546 665733 887644 893262 986078 992319 1191016 1323092 1331466 1479117 1775288 1786524 1972156 1984638 2382032 2646184 2662932 2958234 3550576 3573048 3944312 3969276 5292368 5325864 5916468 7146096 7888624 7938552 10651728 11761283 11832936 15877104 17530969 23522566 23665872 26131067 35061938 35283849 38950081 47045132 52262134 52592907 70123876 70567698 77900162 78393201 94090264 104524268 105185814 116850243 140247752 141135396 155800324 156786402 188180528 209048536 210371628 233700486 280495504 282270792 311600648 313572804 418097072 420743256 467400972 564541584 623201296 627145608 841486512 929141357 934801944 1254291216 1384946551 1858282714 1869603888 2064354293 2769893102 2787424071 3077056399 3716565428 4128708586 4154839653 5539786204 5574848142 6154112798 6193062879 7433130856 8257417172 8309679306 9231169197 11079572408 11149696284 12308225596 12386125758 14866261712 16514834344 16619358612 18462338394 22159144816 22299392568 24616451192 24772251516 33029668688 33238717224 36924676788 44598785136 49232902384 49544503032 66477434448 73402167203 73849353576 99089006064 109410777529 146804334406 147698707152 163083989147 218821555058 220206501609 293608668812 326167978294 328232332587 437643110116 440413003218 489251967441 587217337624 652335956588 656464665174 875286220232 880826006436 978503934882 1174434675248 1304671913176 1312929330348 1750572440464 1761652012872 1957007869764 2609343826352 2625858660696 3523304025744 3914015739528 5251717321392 5798771209037 7828031479056 8643451424791 11597542418074 17286902849582 17396313627111 23195084836148 25930354274373 34573805699164 34792627254222 46390169672296 51860708548746 69147611398328 69585254508444 92780339344592 103721417097492 138295222796656 139170509016888 207442834194984 278341018033776 414885668389968 458102925513923 916205851027846 1374308776541769 1832411702055692 2748617553083538 3664823404111384 5497235106167076 7329646808222768 10994470212334152 21988940424668304
• Sum of all divisors σ(n): 58639425924038400
• Sum of proper divisors (its aliquot sum) s(n): 36650485499370096
• 21988940424668304 is an abundant number, because the sum of its proper divisors (36650485499370096) is greater than itself. Its abundance is 14661545074701792

Bases of 21988940424668304

• Binary: 1001110000111101101001100100110111111111110010010010000₂
• Hexadecimal: 0x4E1ED326FFE490
• Base-36: 60IFFRZ8A6O

Squares and roots of 21988940424668304

• 21988940424668304 squared (21988940424668304²) is 483513500999611893458688422236416
• 21988940424668304 cubed (21988940424668304³) is 10631949568003264379156979648581123574614669758464
• The square root of 21988940424668304 is 148286683.2344304071
• The cube root of 21988940424668304 is 280156.9716119365

Scales and comparisons

• 21,988,940,424,668,304 seconds is equal to 699,180,289 years, 12 weeks, 5 days, 12 hours, 18 minutes, 24 seconds.
• To count from 1 to 21,988,940,424,668,304 would take you about two billion, ninety-seven million, five hundred forty thousand, eight hundred sixty-seven 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 21988940424668304 cubic inches would be around 23346.4 feet tall.

Recreational maths with 21988940424668304

• 21988940424668304 backwards is 40386642404988912
• The number of decimal digits it has is: 17
• The sum of 21988940424668304's digits is 78
• More coming soon!