21605938040960

Names of 21605938040960

• Cardinal: 21605938040960 can be written as Twenty-one trillion, six hundred five billion, nine hundred thirty-eight million, forty thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.160593804096 × 10¹³

Factors of 21605938040960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 150

Divisors of 21605938040960

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 40 41 49 52 53 56 58 64 65 70 80 82 91 98 104 106 112 116 128 130 140 145 160 164 182 196 203 205 208 212 224 232 245 260 265 280 287 290 320 328 364 371 377 392 406 410 416 424 448 455 464 490 520 530 533 560 574 580 637 640 656 689 728 742 754 784 812 820 832 841 848 896 910 928 980 1015 1040 1060 1066 1120 1148 1160 1189 1274 1312 1378 1421 1435 1456 1484 1508 1537 1568 1624 1640 1664 1682 1696 1820 1855 1856 1885 1960 2009 2030 2080 2120 2132 2173 2240 2296 2320 2378 2548 2597 2624 2639 2665 2756 2842 2870 2912 2968 3016 3074 3136 3185 3248 3280 3364 3392 3445 3640 3710 3712 3731 3770 3920 4018 4060 4160 4205 4240 4264 4346 4480 4592 4640 4756 4823 5096 5194 5248 5278 5330 5512 5684 5740 5824 5887 5936 5945 6032 6148 6272 6370 6496 6560 6728 6784 6890 7105 7280 7420 7462 7540 7685 7840 8036 8120 8320 8323 8410 8480 8528 8692 9184 9280 9512 9646 10045 10192 10388 10556 10660 10759 10865 10933 11024 11368 11480 11648 11774 11872 11890 12064 12296 12740 12985 12992 13120 13195 13456 13780 14210 14560 14840 14924 15080 15211 15370 15457 15680 16072 16240 16646 16820 16960 17056 17384 18368 18473 18560 18655 19024 19292 19981 20090 20384 20776 21112 21320 21518 21730 21866 22048 22736 22960 23548 23744 23780 24115 24128 24389 24592 25480 25970 25984 26117 26240 26390 26912 27560 28249 28420 29120 29435 29680 29848 30160 30422 30740 30914 31360 32144 32480 33292 33640 33761 33920 34112 34481 34768 36736 36946 37310 38048 38584 39962 40180 40768 41209 41552 41615 42224 42640 43036 43460 43732 44096 44573 45472 45920 47096 47488 47560 48230 48256 48778 49184 50960 51940 52234 52780 53795 53824 54665 55120 56498 56840 58240 58261 58870 59360 59696 60320 60844 61480 61828 63017 64288 64960 66584 67280 67522 68224 68962 69536 73892 74620 75313 76055 76096 76531 77168 77285 79924 80360 81536 82418 83104 83230 84448 85280 86072 86920 87464 88192 89146 90944 91840 92365 94192 95120 96460 97556 98368 99905 101920 103880 104468 105560 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110234377760 118713945280 131743524640 135037112756 149006469248 154328128864 166199523392 168796390945 186258086560 192910161080 203829604160 207749404240 220468755520 237427890560 263487049280 270074225512 308656257728 332399046784 337592781890 372516173120 385820322160 407659208320 415498808480 440937511040 526974098560 540148451024 617312515456 675185563780 745032346240 771640644320 830997616960 1080296902048 1350371127560 1543281288640 1661995233920 2160593804096 2700742255120 3086562577280 4321187608192 5401484510240 10802969020480 21605938040960
• Sum of all divisors σ(n): 69947261899200
• Sum of proper divisors (its aliquot sum) s(n): 48341323858240
• 21605938040960 is an abundant number, because the sum of its proper divisors (48341323858240) is greater than itself. Its abundance is 26735385817280

Bases of 21605938040960

• Binary: 100111010011010000110010000110001000010000000₂
• Hexadecimal: 0x13A686431080
• Base-36: 7NPMPNSE8

Squares and roots of 21605938040960

• 21605938040960 squared (21605938040960²) is 466816558629802442637721600
• 21605938040960 cubed (21605938040960³) is 10086009642249682769355877401301876736000
• The square root of 21605938040960 is 4648218.8030427311
• The cube root of 21605938040960 is 27852.0847997619

Scales and comparisons

• 21,605,938,040,960 seconds is equal to 687,001 years, 51 weeks, 6 days, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 21,605,938,040,960 would take you about one million, seven hundred seventeen thousand, five hundred four 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 21605938040960 cubic inches would be around 2321 feet tall.

Recreational maths with 21605938040960

• 21605938040960 backwards is 06904083950612
• 21605938040960 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21605938040960's digits is 53
• More coming soon!