21308715877792

Names of 21308715877792

• Cardinal: 21308715877792 can be written as Twenty-one trillion, three hundred eight billion, seven hundred fifteen million, eight hundred seventy-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1308715877792 × 10¹³

Factors of 21308715877792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2297

Divisors of 21308715877792

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 73 98 112 146 181 196 224 292 362 392 511 584 724 784 941 1022 1093 1168 1267 1448 1568 1882 2044 2186 2336 2534 2896 3577 3764 4088 4372 5068 5792 6587 7154 7528 7651 8176 8744 8869 10136 13174 13213 14308 15056 15302 16352 17488 17738 20272 26348 26426 28616 30112 30604 34976 35476 40544 46109 52696 52852 53557 57232 61208 68693 70952 79789 92218 92491 105392 105704 107114 114464 122416 137386 141904 159578 170321 184436 184982 197833 210784 211408 214228 244832 274772 283808 319156 340642 368872 369964 395666 422816 428456 480851 549544 558523 638312 647437 681284 737744 739928 791332 856912 961702 1028513 1099088 1117046 1192247 1276624 1294874 1362568 1384831 1475488 1479856 1582664 1713824 1923404 2057026 2198176 2234092 2384494 2553248 2589748 2725136 2769662 2959712 3165328 3365957 3846808 3909661 4114052 4468184 4768988 5179496 5450272 5539324 6330656 6731914 7199591 7693616 7819322 8228104 8345729 8936368 9537976 9693817 10358992 11078648 12433433 13463828 14399182 14441809 15387232 15638644 16456208 16691458 17872736 19075952 19387634 20717984 22157296 24866866 26927656 28798364 28883618 31277288 32912416 33382916 38151904 38775268 44314592 49733732 50397137 53855312 57596728 57767236 62554576 66765832 75081449 77550536 87034031 99467464 100794274 101092663 107710624 115193456 115534472 125109152 133531664 150162898 155101072 174068062 186160853 198934928 201588548 202185326 230386912 231068944 267063328 300325796 310202144 348136124 372321706 397869856 403177096 404370652 462137888 525570143 600651592 609238217 696272248 707648641 744643412 806354192 808741304 1051140286 1201303184 1218476434 1303125971 1392544496 1415297282 1489286824 1612708384 1617482608 2102280572 2402606368 2436952868 2606251942 2785088992 2830594564 2978573648 3234965216 3678991001 4204561144 4873905736 5212503884 5661189128 5957147296 7357982002 8409122288 9121881797 9747811472 10425007768 11322378256 13589742269 14715964004 16818244576 18243763594 19495622944 20850015536 22644756512 27179484538 29431928008 36487527188 41700031072 54358969076 58863856016 72975054376 95128195883 108717938152 117727712032 145950108752 190256391766 217435876304 291900217504 380512783532 434871752608 665897371181 761025567064 1331794742362 1522051134128 2663589484724 3044102268256 5327178969448 10654357938896 21308715877792
• Sum of all divisors σ(n): 49840998886224
• Sum of proper divisors (its aliquot sum) s(n): 28532283008432
• 21308715877792 is an abundant number, because the sum of its proper divisors (28532283008432) is greater than itself. Its abundance is 7223567130640

Bases of 21308715877792

• Binary: 100110110000101010010011100001100010110100000₂
• Hexadecimal: 0x13615270C5A0
• Base-36: 7JX379BJ4

Squares and roots of 21308715877792

• 21308715877792 squared (21308715877792²) is 454061372360464885078795264
• 21308715877792 cubed (21308715877792³) is 9675464774709463670688993227011612377088
• The square root of 21308715877792 is 4616136.4665477557
• The cube root of 21308715877792 is 27723.7788740071

Scales and comparisons

• 21,308,715,877,792 seconds is equal to 677,551 years, 13 weeks, 23 hours, 49 minutes, 52 seconds.
• To count from 1 to 21,308,715,877,792 would take you about one million, six hundred ninety-three thousand, eight hundred seventy-eight 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 21308715877792 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21308715877792

• 21308715877792 backwards is 29777851780312
• The number of decimal digits it has is: 14
• The sum of 21308715877792's digits is 67
• More coming soon!