20891629120

Names of 20891629120

• Cardinal: 20891629120 can be written as Twenty billion, eight hundred ninety-one million, six hundred twenty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.089162912 × 10¹⁰

Factors of 20891629120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 165

Divisors of 20891629120

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 31 32 34 40 43 62 64 67 68 80 85 86 124 134 136 155 160 170 172 215 248 268 272 310 320 335 340 344 430 496 527 536 544 620 670 680 688 731 860 992 1054 1072 1088 1139 1240 1333 1340 1360 1376 1462 1720 1849 1984 2077 2108 2144 2278 2480 2635 2666 2680 2720 2752 2881 2924 3440 3655 3698 4154 4216 4288 4556 4960 5270 5332 5360 5440 5695 5762 5848 6665 6880 7310 7396 8308 8432 9112 9245 9920 10385 10540 10664 10720 11390 11524 11696 13330 13760 14405 14620 14792 16616 16864 18224 18490 20770 21080 21328 21440 22661 22780 23048 23392 26660 28810 29240 29584 31433 33232 33728 35309 36448 36980 41540 42160 42656 45322 45560 46096 46784 48977 53320 57319 57620 58480 59168 62866 66464 70618 72896 73960 83080 84320 85312 89311 90644 91120 92192 97954 106640 113305 114638 115240 116960 118336 123883 125732 132928 141236 147920 157165 166160 168640 176545 178622 181288 182240 184384 195908 213280 226610 229276 230480 233920 244885 247766 251464 282472 286595 295840 314330 332320 353090 357244 362576 364480 391816 426560 446555 453220 458552 460960 489770 495532 502928 564944 573190 591680 619415 628660 664640 706180 714488 725152 783632 893110 906440 917104 921920 974423 979540 991064 1005856 1129888 1146380 1238830 1257320 1412360 1428976 1450304 1518287 1567264 1786220 1812880 1834208 1948846 1959080 1982128 2011712 2106011 2259776 2292760 2477660 2514640 2824720 2857952 3036574 3134528 3572440 3625760 3668416 3840373 3897692 3918160 3964256 4212022 4585520 4872115 4955320 5029280 5649440 5715904 6073148 7144880 7251520 7591435 7680746 7795384 7836320 7928512 8424044 9171040 9744230 9910640 10058560 10530055 11298880 12146296 14289760 15182870 15361492 15590768 15672640 16848088 18342080 19201865 19488460 19821280 21060110 24292592 28579520 30365740 30722984 31181536 33696176 38403730 38976920 39642560 42120220 48585184 60731480 61445968 62363072 65286341 67392352 76807460 77953840 84240440 97170368 121462960 122891936 130572682 134784704 153614920 155907680 168480880 242925920 245783872 261145364 307229840 311815360 326431705 336961760 485851840 522290728 614459680 652863410 673923520 1044581456 1228919360 1305726820 2089162912 2611453640 4178325824 5222907280 10445814560 20891629120
• Sum of all divisors σ(n): 56498508288
• Sum of proper divisors (its aliquot sum) s(n): 35606879168
• 20891629120 is an abundant number, because the sum of its proper divisors (35606879168) is greater than itself. Its abundance is 14715250048

Bases of 20891629120

• Binary: 10011011101001111001111011001000000₂
• Hexadecimal: 0x4DD3CF640
• Base-36: 9LIC474

Squares and roots of 20891629120

• 20891629120 squared (20891629120²) is 436460167287631974400
• 20891629120 cubed (20891629120³) is 9118363940626363572218134528000
• The square root of 20891629120 is 144539.3687546751
• The cube root of 20891629120 is 2754.1701632099

Scales and comparisons

• 20,891,629,120 seconds is equal to 664 years, 15 weeks, 6 hours, 18 minutes, 40 seconds.
• To count from 1 to 20,891,629,120 would take you about one thousand, three hundred twenty-eight 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 20891629120 cubic inches would be around 229.5 feet tall.

Recreational maths with 20891629120

• 20891629120 backwards is 02192619802
• 20891629120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20891629120's digits is 40
• More coming soon!