21428865024

Names of 21428865024

• Cardinal: 21428865024 can be written as Twenty-one billion, four hundred twenty-eight million, eight hundred sixty-five thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1428865024 × 10¹⁰

Factors of 21428865024

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 161

Divisors of 21428865024

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 53 56 64 68 79 84 96 98 102 106 112 119 128 136 147 158 159 168 192 196 204 212 224 237 238 256 272 294 316 318 336 357 371 384 392 408 424 448 474 476 512 544 553 588 632 636 672 714 742 768 784 816 833 848 896 901 948 952 1024 1088 1106 1113 1176 1264 1272 1343 1344 1428 1484 1536 1568 1632 1659 1666 1696 1792 1802 1896 1904 2048 2176 2212 2226 2352 2499 2528 2544 2597 2686 2688 2703 2856 2968 3072 3136 3264 3318 3332 3392 3584 3604 3792 3808 3871 4029 4187 4352 4424 4452 4704 4998 5056 5088 5194 5372 5376 5406 5712 5936 6144 6272 6307 6528 6636 6664 6784 7168 7208 7584 7616 7742 7791 8058 8374 8704 8848 8904 9401 9408 9996 10112 10176 10388 10744 10752 10812 11424 11613 11872 12544 12561 12614 13056 13272 13328 13568 14336 14416 15168 15232 15484 15582 16116 16748 17408 17696 17808 18802 18816 18921 19992 20224 20352 20776 21488 21504 21624 22848 23226 23744 25088 25122 25228 26112 26544 26656 27136 28203 28832 29309 30336 30464 30968 31164 32232 33496 34816 35392 35616 37604 37632 37842 39984 40448 40704 41552 42976 43008 43248 44149 45696 46452 47488 50176 50244 50456 52224 53088 53312 54272 56406 57664 58618 60672 60928 61936 62328 64464 65807 66992 70784 71179 71232 75208 75264 75684 79968 80896 81408 83104 85952 86496 87927 88298 91392 92904 94976 100352 100488 100912 104448 106176 106624 108544 112812 115328 117236 121344 121856 123872 124656 128928 131614 132447 133984 141568 142358 142464 150416 150528 151368 159936 161792 162816 166208 171904 172992 175854 176596 182784 185808 189952 197421 200976 201824 205163 212352 213248 213537 225624 230656 234472 242688 243712 247744 249312 257856 263228 264894 267968 283136 284716 284928 300832 301056 302736 319872 325632 332416 343808 345984 351708 353192 365568 371616 379904 394842 401952 403648 410326 424704 426496 427074 451248 461312 468944 485376 495488 498253 498624 515712 526456 529788 535936 566272 569432 569856 601664 605472 615489 639744 664832 687616 691968 703416 706384 731136 743232 759808 789684 803904 807296 820652 849408 852992 854148 902496 922624 937888 990976 996506 997248 1031424 1052912 1059576 1071872 1132544 1138864 1139712 1203328 1210944 1230978 1279488 1329664 1375232 1383936 1406832 1412768 1486464 1494759 1579368 1607808 1614592 1641304 1698816 1705984 1708296 1804992 1845248 1875776 1981952 1993012 1994496 2062848 2105824 2119152 2143744 2277728 2279424 2406656 2421888 2461956 2558976 2659328 2750464 2767872 2813664 2825536 2972928 2989518 3158736 3215616 3229184 3282608 3397632 3416592 3487771 3609984 3751552 3963904 3986024 3988992 4125696 4211648 4238304 4287488 4555456 4813312 4843776 4923912 5117952 5318656 5535744 5627328 5651072 5945856 5979036 6317472 6431232 6458368 6565216 6833184 6975542 7219968 7503104 7927808 7972048 7977984 8251392 8423296 8476608 8574976 9110912 9626624 9687552 9847824 10463313 11254656 11302144 11891712 11958072 12634944 12862464 12916736 13130432 13666368 13951084 14439936 15006208 15944096 15955968 16846592 16953216 18221824 19253248 19375104 19695648 20926626 22509312 22604288 23783424 23916144 25269888 25724928 26260864 27332736 27902168 28879872 30012416 31888192 33693184 33906432 36443648 38750208 39391296 41853252 45018624 45208576 47832288 50539776 52521728 54665472 55804336 57759744 60024832 63776384 67386368 67812864 72887296 78782592 83706504 90037248 90417152 95664576 101079552 105043456 109330944 111608672 127552768 134772736 135625728 145774592 157565184 167413008 180074496 191329152 202159104 210086912 218661888 223217344 255105536 271251456 315130368 334826016 382658304 404318208 420173824 437323776 446434688 510211072 630260736 669652032 765316608 892869376 1020422144 1260521472 1339304064 1530633216 1785738752 2678608128 3061266432 3571477504 5357216256 7142955008 10714432512 21428865024
• Sum of all divisors σ(n): 72601401600
• Sum of proper divisors (its aliquot sum) s(n): 51172536576
• 21428865024 is an abundant number, because the sum of its proper divisors (51172536576) is greater than itself. Its abundance is 29743671552

Bases of 21428865024

• Binary: 10011111101010000101000100000000000₂
• Hexadecimal: 0x4FD428800
• Base-36: 9UE6Y2O

Squares and roots of 21428865024

• 21428865024 squared (21428865024²) is 459196256216810520576
• 21428865024 cubed (21428865024³) is 9840054593996153525206278733824
• The square root of 21428865024 is 146386.0137581457
• The cube root of 21428865024 is 2777.5788066369

Scales and comparisons

• 21,428,865,024 seconds is equal to 681 years, 19 weeks, 2 days, 6 hours, 30 minutes, 24 seconds.
• To count from 1 to 21,428,865,024 would take you about one thousand, three hundred sixty-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 21428865024 cubic inches would be around 231.5 feet tall.

Recreational maths with 21428865024

• 21428865024 backwards is 42056882412
• 21428865024 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21428865024's digits is 42
• More coming soon!