21029419901672

Names of 21029419901672

• Cardinal: 21029419901672 can be written as Twenty-one trillion, twenty-nine billion, four hundred nineteen million, nine hundred one thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1029419901672 × 10¹³

Factors of 21029419901672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1824

Divisors of 21029419901672

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 61 91 98 104 122 169 182 196 244 338 343 364 392 427 488 637 676 686 728 793 854 1183 1274 1352 1372 1586 1708 1741 2366 2401 2548 2744 2989 3172 3416 3482 3721 4459 4732 4802 5096 5551 5978 6344 6964 7442 8281 8918 9464 9604 10309 11102 11956 12187 13928 14884 16562 17836 19208 20618 20923 22204 22633 23912 24374 26047 29768 31213 33124 35672 38857 41236 41846 44408 45266 48373 48748 52094 57967 62426 66248 72163 77714 82472 83692 85309 90532 96746 97496 104188 106201 115934 124852 144326 146461 155428 158431 167384 170618 181064 182329 193492 208376 212402 231868 249704 271999 288652 292922 294229 310856 316862 338611 341236 364658 386984 405769 424804 463736 505141 543998 577304 585844 588458 597163 628849 633724 677222 682472 729316 743407 811538 849608 1010282 1087996 1109017 1171688 1176916 1194326 1257698 1267448 1276303 1354444 1380613 1458632 1486814 1623076 1903993 2020564 2059603 2175992 2218034 2353832 2370277 2388652 2515396 2552606 2708888 2761226 2973628 3246152 3535987 3807986 4041128 4119206 4180141 4401943 4436068 4740554 4777304 5030792 5105212 5203849 5522452 5947256 6478261 7071974 7615972 7763119 8238412 8360282 8803886 8872136 8934121 9481108 9664291 10210424 10407698 11044904 12956522 14143948 14417221 15231944 15526238 16476824 16591939 16720564 17607772 17868242 17947969 18962216 19328582 20815396 24751909 25913044 28287896 28834442 30813601 31052476 33183878 33441128 35215544 35736484 35895938 36426943 38657164 41630792 45347827 49503818 51826088 54341833 57668884 61627202 62104952 66367756 67650037 71472968 71791876 72853886 77314328 84217393 90695654 99007636 100920547 108683666 115337768 116143573 123254404 125635783 132735512 135300074 143583752 145707772 168434786 181391308 198015272 201841094 215695207 217367332 232287146 246508808 251271566 254988601 270600148 291415544 317434789 336869572 362782616 403682188 431390414 434734664 464574292 473550259 502543132 509977202 541200296 589521751 634869578 673739144 706443829 807364376 862780828 879450481 929148584 947100518 1005086264 1019954404 1094826109 1179043502 1269739156 1412887658 1509866449 1725561656 1758900962 1894201036 2039908808 2189652218 2222043523 2358087004 2539478312 2825775316 3019732898 3314851813 3517801924 3788402072 4126652257 4379304436 4444087046 4716174008 5651550632 6039465796 6156153367 6629703626 7035603848 7663782763 8253304514 8758608872 8888174092 12078931592 12312306734 13259407252 15327565526 15554304661 16506609028 17776348184 24624613468 26518814504 28886565799 30655131052 31108609322 33013218056 43093073569 49249226936 53646479341 57773131598 61310262104 62217218644 86186147138 107292958682 115546263196 124434437288 172372294276 202205960593 214585917364 231092526392 344744588552 375525355387 404411921186 429171834728 751050710774 808823842372 1502101421548 1617647684744 2628677487709 3004202843096 5257354975418 10514709950836 21029419901672
• Sum of all divisors σ(n): 50668721907570
• Sum of proper divisors (its aliquot sum) s(n): 29639302005898
• 21029419901672 is an abundant number, because the sum of its proper divisors (29639302005898) is greater than itself. Its abundance is 8609882104226

Bases of 21029419901672

• Binary: 100110010000001001011000110100110001011101000₂
• Hexadecimal: 0x13204B1A62E8
• Base-36: 7GCS5N948

Squares and roots of 21029419901672

• 21029419901672 squared (21029419901672²) is 442236501400838390148395584
• 21029419901672 cubed (21029419901672³) is 9299977083804588148812835835569839016448
• The square root of 21029419901672 is 4585784.5459279921
• The cube root of 21029419901672 is 27602.1194469475

Scales and comparisons

• 21,029,419,901,672 seconds is equal to 668,670 years, 26 weeks, 1 day, 16 hours, 14 minutes, 32 seconds.
• To count from 1 to 21,029,419,901,672 would take you about one million, six hundred seventy-one thousand, six hundred seventy-six 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 21029419901672 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029419901672

• 21029419901672 backwards is 27610991492012
• The number of decimal digits it has is: 14
• The sum of 21029419901672's digits is 53
• More coming soon!