20388211272

Names of 20388211272

• Cardinal: 20388211272 can be written as Twenty billion, three hundred eighty-eight million, two hundred eleven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.0388211272 × 10¹⁰

Factors of 20388211272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 339

Divisors of 20388211272

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 27 29 33 36 39 44 52 54 58 66 72 78 81 87 88 99 104 108 116 117 132 143 156 162 174 198 216 232 234 243 261 264 281 286 297 312 319 324 348 351 377 396 429 468 486 522 562 572 594 638 648 696 702 729 754 783 792 843 858 891 936 957 972 1044 1053 1124 1131 1144 1188 1276 1287 1404 1458 1508 1566 1686 1716 1782 1914 1944 2088 2106 2187 2248 2262 2349 2376 2529 2552 2574 2673 2808 2871 2916 3016 3091 3132 3159 3372 3393 3432 3564 3653 3828 3861 4147 4212 4374 4524 4698 5058 5148 5346 5742 5832 6182 6264 6318 6744 6786 7047 7128 7306 7587 7656 7722 8019 8149 8294 8424 8613 8748 9048 9273 9396 9477 10116 10179 10296 10692 10959 11484 11583 12364 12441 12636 13572 14094 14612 15174 15444 16038 16298 16588 17226 17496 18546 18792 18954 20232 20358 21141 21384 21918 22761 22968 23166 24057 24447 24728 24882 25272 25839 27144 27819 28188 28431 29224 30348 30537 30888 32076 32596 32877 33176 34452 34749 37092 37323 37908 40183 40716 42282 43836 45522 46332 48114 48894 49764 51678 55638 56376 56862 60696 61074 63423 64152 65192 65754 68283 68904 69498 73341 74184 74646 75816 77517 80366 81432 83457 84564 87672 89639 91044 91611 92664 96228 97788 98631 99528 103356 104247 105937 111276 111969 113724 120549 122148 126846 131508 136566 138996 146682 149292 155034 160732 166914 169128 179278 182088 183222 192456 195576 197262 204849 206712 208494 211874 220023 222552 223938 227448 232551 241098 244296 250371 253692 263016 268917 273132 274833 277992 293364 295893 298584 310068 312741 317811 321464 333828 335907 358556 361647 366444 394524 409698 416988 423748 440046 447876 465102 482196 500742 507384 537834 546264 549666 586728 591786 614547 620136 625482 635622 660069 667656 671814 697653 717112 723294 732888 751113 789048 806751 819396 824499 833976 847496 880092 887679 895752 930204 953433 964392 1001484 1007721 1075668 1084941 1099332 1165307 1183572 1229094 1250964 1271244 1320138 1343628 1395306 1446588 1502226 1613502 1638792 1648998 1760184 1775358 1860408 1906866 1980207 2002968 2015442 2151336 2169882 2198664 2253339 2330614 2367144 2420253 2458188 2501928 2542488 2640276 2663037 2687256 2790612 2860299 2893176 3004452 3023163 3227004 3254823 3297996 3495921 3550716 3813732 3960414 4030884 4339764 4506678 4661228 4840506 4916376 5280552 5326074 5581224 5720598 5940621 6008904 6046326 6454008 6509646 6595992 6760017 6991842 7101432 7260759 7627464 7920828 7989111 8061768 8580897 8679528 9013356 9069489 9322456 9681012 9764469 10487763 10652148 11441196 11881242 12092652 13019292 13520034 13983684 14521518 15841656 15978222 17161794 17821863 18026712 18138978 19362024 19528938 20975526 21304296 21782277 22882392 23762484 24185304 25742691 26038584 27040068 27967368 29043036 29293407 31463289 31956444 34323588 35643726 36277956 39057876 41951052 43564554 47524968 51485382 54080136 58086072 58586814 62926578 63912888 65346831 68647176 71287452 72555912 77228073 78115752 83902104 87129108 87880221 94389867 102970764 117173628 125853156 130693662 142574904 154456146 174258216 175760442 188779734 196040493 205941528 231684219 234347256 251706312 261387324 283169601 308912292 351520884 377559468 392080986 463368438 522774648 566339202 617824584 703041768 755118936 784161972 849508803 926736876 1132678404 1568323944 1699017606 1853473752 2265356808 2548526409 3398035212 5097052818 6796070424 10194105636 20388211272
• Sum of all divisors σ(n): 69926976000
• Sum of proper divisors (its aliquot sum) s(n): 49538764728
• 20388211272 is an abundant number, because the sum of its proper divisors (49538764728) is greater than itself. Its abundance is 29150553456

Bases of 20388211272

• Binary: 10010111111001110110110101001001000₂
• Hexadecimal: 0x4BF3B6A48
• Base-36: 9D6M4I0

Squares and roots of 20388211272

• 20388211272 squared (20388211272²) is 415679158871707857984
• 20388211272 cubed (20388211272³) is 8474954512443632952040363995648
• The square root of 20388211272 is 142787.2938044559
• The cube root of 20388211272 is 2731.8679837199

Scales and comparisons

• 20,388,211,272 seconds is equal to 648 years, 14 weeks, 4 days, 16 hours, 1 minute, 12 seconds.
• To count from 1 to 20,388,211,272 would take you about one thousand, two hundred ninety-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 20388211272 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388211272

• 20388211272 backwards is 27211288302
• 20388211272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20388211272's digits is 36
• More coming soon!