20815221504

Names of 20815221504

• Cardinal: 20815221504 can be written as Twenty billion, eight hundred fifteen million, two hundred twenty-one thousand, five hundred four.

Scientific notation

• Scientific notation: 2.0815221504 × 10¹⁰

Factors of 20815221504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2932

Divisors of 20815221504

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 121 128 132 154 168 176 192 224 231 242 256 264 308 336 352 363 384 448 462 484 528 616 672 704 726 768 847 896 924 968 1056 1232 1331 1344 1408 1452 1694 1792 1848 1936 2112 2464 2541 2662 2688 2816 2904 2909 3388 3696 3872 3993 4224 4928 5082 5324 5376 5808 5818 6776 7392 7744 7986 8448 8727 9317 9856 10164 10648 11616 11636 13552 14784 15488 15972 17454 18634 19712 20328 20363 21296 23232 23272 27104 27951 29568 30976 31944 31999 34908 37268 40656 40726 42592 46464 46544 54208 55902 59136 61089 63888 63998 69816 74536 81312 81452 85184 92928 93088 95997 108416 111804 122178 127776 127996 139632 149072 162624 162904 170368 186176 191994 216832 223608 223993 244356 255552 255992 279264 298144 325248 325808 340736 351989 372352 383988 447216 447986 488712 511104 511984 558528 596288 650496 651616 671979 703978 744704 767976 894432 895972 977424 1022208 1023968 1055967 1117056 1192576 1303232 1343958 1407956 1535952 1788864 1791944 1954848 2047936 2111934 2234112 2385152 2463923 2606464 2687916 2815912 3071904 3577728 3583888 3871879 3909696 4095872 4223868 4927846 5212928 5375832 5631824 6143808 7155456 7167776 7391769 7743758 7819392 8191744 8447736 9855692 10751664 11263648 11615637 12287616 14335552 14783538 15487516 15638784 16895472 19711384 21503328 22527296 23231274 24575232 27103153 28671104 29567076 30975032 33790944 39422768 43006656 45054592 46462548 54206306 57342208 59134152 61950064 67581888 78845536 81309459 86013312 90109184 92925096 108412612 118268304 123900128 135163776 157691072 162618918 172026624 185850192 216825224 236536608 247800256 270327552 315382144 325237836 371700384 433650448 473073216 495600512 630764288 650475672 743400768 867300896 946146432 991201024 1300951344 1486801536 1734601792 1892292864 2601902688 2973603072 3469203584 5203805376 6938407168 10407610752 20815221504
• Sum of all divisors σ(n): 69663444480
• Sum of proper divisors (its aliquot sum) s(n): 48848222976
• 20815221504 is an abundant number, because the sum of its proper divisors (48848222976) is greater than itself. Its abundance is 28033001472

Bases of 20815221504

• Binary: 10011011000101011110001001100000000₂
• Hexadecimal: 0x4D8AF1300
• Base-36: 9K8UFPC

Squares and roots of 20815221504

• 20815221504 squared (20815221504²) is 433273446260584022016
• 20815221504 cubed (20815221504³) is 9018682755715496922666252632064
• The square root of 20815221504 is 144274.8124379305
• The cube root of 20815221504 is 2750.8084236559

Scales and comparisons

• 20,815,221,504 seconds is equal to 661 years, 44 weeks, 4 days, 21 hours, 58 minutes, 24 seconds.
• To count from 1 to 20,815,221,504 would take you about one thousand, three hundred twenty-three 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 20815221504 cubic inches would be around 229.2 feet tall.

Recreational maths with 20815221504

• 20815221504 backwards is 40512251802
• The number of decimal digits it has is: 11
• The sum of 20815221504's digits is 30
• More coming soon!