21878052904008

Names of 21878052904008

• Cardinal: 21878052904008 can be written as Twenty-one trillion, eight hundred seventy-eight billion, fifty-two million, nine hundred four thousand and eight.

Scientific notation

• Scientific notation: 2.1878052904008 × 10¹³

Factors of 21878052904008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 362

Divisors of 21878052904008

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 42 49 54 56 57 63 72 76 81 84 98 108 114 126 133 147 152 162 168 171 189 196 216 228 252 266 294 324 331 342 378 392 399 441 456 504 513 532 567 588 648 662 684 756 798 882 931 993 1026 1064 1134 1176 1197 1323 1324 1368 1512 1539 1596 1764 1862 1986 2052 2268 2317 2394 2646 2648 2793 2979 3078 3192 3528 3591 3724 3969 3972 4104 4536 4634 4788 5292 5586 5958 6156 6289 6951 7182 7448 7938 7944 8379 8937 9268 9576 10584 10773 11172 11916 12312 12578 13902 14364 15876 16219 16758 17874 18536 18867 20853 21546 22344 23832 25137 25156 26811 27804 28728 31752 32438 33516 35748 37734 41706 43092 44023 48657 50274 50312 53622 55608 56601 62559 64876 67032 71496 75411 75468 83412 86184 88046 97314 100548 107244 109561 113202 125118 129752 132069 145971 150822 150936 166824 169803 176092 187677 194628 201096 214488 219122 226404 250236 264138 291942 301644 308161 328683 339606 352184 375354 389256 396207 437913 438244 452808 500472 509409 528276 583884 603288 616322 657366 679212 750708 766927 792414 875826 876488 924483 986049 1018818 1056552 1167768 1188621 1232644 1313739 1314732 1358424 1501416 1533854 1584828 1751652 1848966 1972098 2037636 2081659 2300781 2377242 2465288 2627478 2629464 2773449 2958147 3067708 3169656 3503304 3565863 3697932 3944196 4075272 4163318 4601562 4754484 5254956 5368489 5546898 5916294 6135416 6244977 6902343 7131726 7395864 7888392 8320347 8326636 8874441 9203124 9508968 10509912 10736978 11093796 11832588 12489954 13804686 14263452 14571613 16105467 16640694 16653272 17748882 18406248 18734931 20707029 21473956 22187592 23665176 24961041 24979908 27609372 28526904 29143226 32210934 33281388 35497764 36264691 37469862 41414058 42947912 43714839 48316401 49922082 49959816 55218744 56204793 58286452 62121087 64421868 66562776 70995528 72529382 74939724 82828116 87429678 96632802 99844164 102001291 108794073 112409586 116572904 124242174 128843736 131144517 144949203 145058764 149879448 165656232 168614379 174859356 193265604 199688328 204002582 217588146 224819172 248484348 253852837 262289034 289898406 290117528 306003873 326382219 337228758 349718712 386531208 393433551 408005164 434847609 435176292 449638344 496968696 507705674 524578068 579796812 612007746 652764438 674457516 689029129 761558511 786867102 816010328 869695218 870352584 918011619 979146657 1015411348 1049156136 1159593624 1180300653 1224015492 1305528876 1348915032 1378058258 1523117022 1573734204 1739390436 1776969859 1836023238 1958293314 2030822696 2067087387 2284675533 2360601306 2448030984 2611057752 2754034857 2756116516 2937439971 3046234044 3147468408 3478780872 3553939718 3672046476 3916586628 4134174774 4569351066 4721202612 4823203903 5330909577 5508069714 5512233032 5874879942 6092468088 6201262161 6854026599 7107879436 7344092952 7833173256 8262104571 8268349548 9138702132 9442405224 9646407806 10661819154 11016139428 11749759884 12402524322 13708053198 14215758872 14469611709 15992728731 16524209142 16536699096 18277404264 18603786483 19292815612 20562079797 21323638308 22032278856 23499519768 24805048644 27416106396 28939223418 31985457462 33048418284 33762427321 37207572966 38585631224 41124159594 42647276616 43408835127 47978186193 49610097288 54832212792 55811359449 57878446836 63970914924 66096836568 67524854642 74415145932 82248319188 86817670254 95956372386 101287281963 111622718898 115756893672 127941829848 130226505381 135049709284 143934558579 148830291864 164496638376 173635340508 191912744772 202574563926 223245437796 260453010762 270099418568 287869117158 303861845889 347270681016 383825489544 390679516143 405149127852 446490875592 520906021524 575738234316 607723691778 781359032286 810298255704 911585537667 1041812043048 1151476468632 1215447383556 1562718064572 1823171075334 2430894767112 2734756613001 3125436129144 3646342150668 5469513226002 7292684301336 10939026452004 21878052904008
• Sum of all divisors σ(n): 75262651754400
• Sum of proper divisors (its aliquot sum) s(n): 53384598850392
• 21878052904008 is an abundant number, because the sum of its proper divisors (53384598850392) is greater than itself. Its abundance is 31506545946384

Bases of 21878052904008

• Binary: 100111110010111100001100100100101110001001000₂
• Hexadecimal: 0x13E5E1925C48
• Base-36: 7R6MZTOI0

Squares and roots of 21878052904008

• 21878052904008 squared (21878052904008²) is 478649198870572882062464064
• 21878052904008 cubed (21878052904008³) is 10471912495351439756141306007847341568512
• The square root of 21878052904008 is 4677398.0912477399
• The cube root of 21878052904008 is 27968.5245391163

Scales and comparisons

• 21,878,052,904,008 seconds is equal to 695,654 years, 21 weeks, 1 day, 21 hours, 46 minutes, 48 seconds.
• To count from 1 to 21,878,052,904,008 would take you about one million, seven hundred thirty-nine thousand, one hundred thirty-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 21878052904008 cubic inches would be around 2330.7 feet tall.

Recreational maths with 21878052904008

• 21878052904008 backwards is 80040925087812
• 21878052904008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21878052904008's digits is 54
• More coming soon!