21209285376

Names of 21209285376

• Cardinal: 21209285376 can be written as Twenty-one billion, two hundred nine million, two hundred eighty-five thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1209285376 × 10¹⁰

Factors of 21209285376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 139

Divisors of 21209285376

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 103 108 124 128 144 186 192 206 216 248 256 279 288 309 372 384 412 432 496 558 576 618 744 768 824 837 864 927 961 992 1116 1152 1236 1488 1648 1674 1728 1854 1922 1984 2232 2304 2472 2781 2883 2976 3193 3296 3348 3456 3708 3844 3968 4464 4944 5562 5766 5952 6386 6592 6696 6912 7416 7688 7936 8649 8928 9579 9888 11124 11532 11904 12772 13184 13392 14832 15376 17298 17856 19158 19776 22248 23064 23808 25544 25947 26368 26784 28737 29664 29791 30752 34596 35712 38316 39552 44496 46128 51088 51894 53568 57474 59328 59582 61504 69192 71424 76632 79104 86211 88992 89373 92256 98983 102176 103788 107136 114948 118656 119164 123008 138384 153264 172422 177984 178746 184512 197966 204352 207576 214272 229896 237312 238328 246016 268119 276768 296949 306528 344844 355968 357492 369024 395932 408704 415152 459792 476656 536238 553536 593898 613056 689688 711936 714984 738048 791864 804357 817408 830304 890847 919584 953312 1072476 1107072 1187796 1226112 1379376 1429968 1583728 1608714 1660608 1781694 1839168 1906624 2144952 2214144 2375592 2452224 2672541 2758752 2859936 3068473 3167456 3217428 3321216 3563388 3678336 3813248 4289904 4751184 5345082 5517504 5719872 6136946 6334912 6434856 6642432 7126776 7356672 7626496 8579808 9205419 9502368 10690164 11035008 11439744 12273892 12669824 12869712 14253552 17159616 18410838 19004736 21380328 22070016 22879488 24547784 25339648 25739424 27616257 28507104 34319232 36821676 38009472 42760656 49095568 51478848 55232514 57014208 68638464 73643352 76018944 82848771 85521312 98191136 102957696 110465028 114028416 147286704 165697542 171042624 196382272 205915392 220930056 228056832 294573408 331395084 342085248 392764544 441860112 589146816 662790168 684170496 785529088 883720224 1178293632 1325580336 1767440448 2356587264 2651160672 3534880896 5302321344 7069761792 10604642688 21209285376
• Sum of all divisors σ(n): 65439395840
• Sum of proper divisors (its aliquot sum) s(n): 44230110464
• 21209285376 is an abundant number, because the sum of its proper divisors (44230110464) is greater than itself. Its abundance is 23020825088

Bases of 21209285376

• Binary: 10011110000001011000000001100000000₂
• Hexadecimal: 0x4F02C0300
• Base-36: 9QRGLC0

Squares and roots of 21209285376

• 21209285376 squared (21209285376²) is 449833786160607461376
• 21209285376 cubed (21209285376³) is 9540653142446883017838481637376
• The square root of 21209285376 is 145634.0804070257
• The cube root of 21209285376 is 2768.0590161941

Scales and comparisons

• 21,209,285,376 seconds is equal to 674 years, 20 weeks, 1 day, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,209,285,376 would take you about one thousand, three hundred forty-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 21209285376 cubic inches would be around 230.7 feet tall.

Recreational maths with 21209285376

• 21209285376 backwards is 67358290212
• The number of decimal digits it has is: 11
• The sum of 21209285376's digits is 45
• More coming soon!