21001189248

Names of 21001189248

• Cardinal: 21001189248 can be written as Twenty-one billion, one million, one hundred eighty-nine thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1001189248 × 10¹⁰

Factors of 21001189248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 936

Divisors of 21001189248

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 41 48 52 54 64 72 78 82 96 104 108 117 123 128 144 156 164 169 192 208 216 234 246 288 312 328 338 351 369 384 416 432 468 492 507 533 576 624 656 676 702 738 832 864 877 936 984 1014 1066 1107 1152 1248 1312 1352 1404 1476 1521 1599 1664 1728 1754 1872 1968 2028 2132 2214 2496 2624 2631 2704 2808 2952 3042 3198 3456 3508 3744 3936 4056 4264 4428 4563 4797 4992 5248 5262 5408 5616 5904 6084 6396 6929 7016 7488 7872 7893 8112 8528 8856 9126 9594 10524 10816 11232 11401 11808 12168 12792 13858 14032 14391 14976 15744 15786 16224 17056 17712 18252 19188 20787 21048 21632 22464 22802 23616 23679 24336 25584 27716 28064 28782 31572 32448 34112 34203 35424 35957 36504 38376 41574 42096 44928 45604 47232 47358 48672 51168 55432 56128 57564 62361 63144 64896 68224 68406 70848 71914 73008 76752 83148 84192 91208 94716 97344 102336 102609 107871 110864 112256 115128 124722 126288 136812 141696 143828 146016 148213 153504 166296 168384 182416 187083 189432 194688 204672 205218 215742 221728 230256 249444 252576 273624 287656 292032 296426 307008 307827 323613 332592 336768 364832 374166 378864 410436 431484 443456 444639 460512 467441 498888 505152 547248 575312 584064 592852 614016 615654 647226 665184 729664 748332 757728 820872 862968 886912 889278 921024 934882 970839 997776 1010304 1094496 1150624 1185704 1231308 1294452 1330368 1333917 1402323 1459328 1496664 1515456 1641744 1725936 1778556 1842048 1869764 1941678 1995552 2188992 2301248 2371408 2462616 2588904 2660736 2667834 2804646 2993328 3030912 3283488 3451872 3557112 3739528 3883356 3991104 4001751 4206969 4377984 4602496 4742816 4925232 5177808 5335668 5609292 5986656 6076733 6566976 6903744 7114224 7479056 7766712 7982208 8003502 8413938 9485632 9850464 10355616 10671336 11218584 11973312 12153466 12620907 13133952 13807488 14228448 14958112 15533424 16007004 16827876 18230199 18971264 19700928 20711232 21342672 22437168 23946624 24306932 25241814 28456896 29916224 31066848 32014008 33655752 36460398 39401856 41422464 42685344 44874336 48613864 50483628 54690597 56913792 59832448 62133696 64028016 67311504 72920796 85370688 89748672 97227728 100967256 109381194 124267392 128056032 134623008 145841592 164071791 170741376 179497344 194455456 201934512 218762388 256112064 269246016 291683184 328143582 388910912 403869024 437524776 512224128 538492032 583366368 656287164 777821824 807738048 875049552 1166732736 1312574328 1615476096 1750099104 2333465472 2625148656 3500198208 5250297312 7000396416 10500594624 21001189248
• Sum of all divisors σ(n): 68832741600
• Sum of proper divisors (its aliquot sum) s(n): 47831552352
• 21001189248 is an abundant number, because the sum of its proper divisors (47831552352) is greater than itself. Its abundance is 26830363104

Bases of 21001189248

• Binary: 10011100011110001001011011110000000₂
• Hexadecimal: 0x4E3C4B780
• Base-36: 9NBKDC0

Squares and roots of 21001189248

• 21001189248 squared (21001189248²) is 441049949830310805504
• 21001189248 cubed (21001189248³) is 9262573464207262713048824020992
• The square root of 21001189248 is 144917.8706992341
• The cube root of 21001189248 is 2758.9762554783

Scales and comparisons

• 21,001,189,248 seconds is equal to 667 years, 40 weeks, 1 day, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,001,189,248 would take you about one thousand, three hundred thirty-five 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 21001189248 cubic inches would be around 229.9 feet tall.

Recreational maths with 21001189248

• 21001189248 backwards is 84298110012
• 21001189248 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21001189248's digits is 36
• More coming soon!