21030823968

Names of 21030823968

• Cardinal: 21030823968 can be written as Twenty-one billion, thirty million, eight hundred twenty-three thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1030823968 × 10¹⁰

Factors of 21030823968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1272

Divisors of 21030823968

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 32 33 38 42 44 48 56 57 66 76 77 84 88 96 112 114 132 133 137 152 154 168 176 209 224 228 231 264 266 274 304 308 336 352 399 411 418 456 462 528 532 548 608 616 627 672 798 822 836 912 924 959 1056 1064 1093 1096 1232 1254 1463 1507 1596 1644 1672 1824 1848 1918 2128 2186 2192 2464 2508 2603 2877 2926 3014 3192 3279 3288 3344 3696 3836 4256 4372 4384 4389 4521 5016 5206 5754 5852 6028 6384 6558 6576 6688 7392 7651 7672 7809 8744 8778 9042 10032 10412 10549 11508 11704 12023 12056 12768 13116 13152 15302 15344 15618 17488 17556 18084 18221 20064 20767 20824 21098 22953 23016 23408 24046 24112 26232 28633 30604 30688 31236 31647 34976 35112 36069 36168 36442 41534 41648 42196 45906 46032 46816 48092 48224 52464 54663 57266 61208 62301 62472 63294 70224 72138 72336 72884 83068 83296 84161 84392 85899 91812 92064 96184 104928 109326 114532 122416 124602 124944 126588 140448 144276 144672 145369 145768 149741 166136 168322 168784 171798 183624 192368 200431 218652 228437 229064 244832 249204 249888 252483 253176 288552 290738 291536 299482 332272 336644 337568 343596 367248 384736 400862 436107 437304 449223 456874 458128 498408 504966 506352 577104 581476 583072 598964 601293 664544 673288 685311 687192 734496 801724 872214 874608 898446 913748 916256 996816 1009932 1012704 1048187 1154208 1162952 1197928 1202586 1346576 1370622 1374384 1599059 1603448 1647151 1744428 1749216 1796892 1827496 1993632 2019864 2096374 2325904 2395856 2405172 2693152 2741244 2748768 2845079 3144561 3198118 3206896 3294302 3488856 3593784 3654992 4039728 4192748 4651808 4791712 4797177 4810344 4941453 5482488 5690158 6289122 6396236 6413792 6588604 6977712 7187568 7309984 8079456 8385496 8535237 9594354 9620688 9882906 10964976 11380316 11530057 12578244 12792472 13177208 13955424 14375136 16770992 17070474 19188708 19241376 19765812 19915553 21929952 22760632 23060114 25156488 25584944 26354416 31295869 33541984 34140948 34590171 38377416 39531624 39831106 45521264 46120228 50312976 51169888 52708832 59746659 62591738 68281896 69180342 76754832 79063248 79662212 91042528 92240456 93887607 100625952 119493318 125183476 136563792 138360684 153509664 158126496 159324424 184480912 187775214 219071083 238986636 250366952 273127584 276721368 318648848 368961824 375550428 438142166 477973272 500733904 553442736 637297696 657213249 751100856 876284332 955946544 1001467808 1106885472 1314426498 1502201712 1752568664 1911893088 2628852996 3004403424 3505137328 5257705992 7010274656 10515411984 21030823968
• Sum of all divisors σ(n): 73046292480
• Sum of proper divisors (its aliquot sum) s(n): 52015468512
• 21030823968 is an abundant number, because the sum of its proper divisors (52015468512) is greater than itself. Its abundance is 30984644544

Bases of 21030823968

• Binary: 10011100101100010001110100000100000₂
• Hexadecimal: 0x4E588E820
• Base-36: 9NT7JMO

Squares and roots of 21030823968

• 21030823968 squared (21030823968²) is 442295556773003265024
• 21030823968 cubed (21030823968³) is 9301839996321581801408995295232
• The square root of 21030823968 is 145020.0812577347
• The cube root of 21030823968 is 2760.2733734681

Scales and comparisons

• 21,030,823,968 seconds is equal to 668 years, 37 weeks, 1 day, 7 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,030,823,968 would take you about one thousand, three hundred thirty-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 21030823968 cubic inches would be around 230 feet tall.

Recreational maths with 21030823968

• 21030823968 backwards is 86932803012
• 21030823968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21030823968's digits is 42
• More coming soon!