321428793972

Names of 321428793972

• Cardinal: 321428793972 can be written as Three hundred twenty-one billion, four hundred twenty-eight million, seven hundred ninety-three thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 3.21428793972 × 10¹¹

Factors of 321428793972

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1281

Divisors of 321428793972

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 11 12 13 17 22 26 33 34 39 44 51 52 66 68 73 78 102 132 143 146 149 156 187 204 219 221 286 292 298 374 429 438 442 447 561 572 596 663 748 803 858 876 884 894 949 1013 1122 1241 1326 1606 1639 1716 1788 1898 1937 2026 2244 2409 2431 2482 2533 2652 2847 3039 3212 3278 3723 3796 3874 4052 4818 4862 4917 4964 5066 5694 5811 6078 6556 7293 7446 7599 7748 9636 9724 9834 10132 10439 10877 11143 11388 11622 12156 13169 13651 14586 14892 15198 16133 17221 19668 20878 21307 21754 22286 23244 26338 27302 27863 29172 30396 31317 32266 32631 32929 33429 34442 39507 40953 41756 42614 43508 44572 48399 51663 52676 54604 55726 62634 63921 64532 65262 65858 66858 68884 73949 79014 81906 83589 85228 96798 98787 103326 111452 119647 125268 127842 130524 131716 133716 141401 144859 147898 150937 158028 163812 167178 177463 184909 189431 193596 197574 206652 221847 223873 239294 255684 282802 289718 295796 301874 334356 354926 358941 362219 369818 378862 395148 424203 434577 443694 447746 452811 478588 532389 554727 565604 568293 579436 603748 671619 709852 717882 724438 739636 757724 813439 848406 869154 887388 895492 905622 961337 1064778 1086657 1109454 1136586 1257133 1343238 1435764 1448876 1555411 1626878 1660307 1696812 1738308 1811244 1922674 1962181 2033999 2129556 2173314 2218908 2273172 2403817 2440317 2462603 2514266 2565929 2686476 2884011 3110822 3253756 3320614 3771399 3845348 3924362 4067998 4346628 4666233 4807634 4880634 4925206 4980921 5028532 5131858 5768022 5886543 6101997 6221644 6641228 7211451 7387809 7542798 7697787 7848724 8135996 9332466 9615268 9761268 9850412 9961842 10263716 10574707 11018401 11536044 11773086 12203994 13828463 14422902 14775618 15085596 15395574 16342729 18664932 19923684 21149414 21583991 22036802 23546172 24407988 26441987 27656926 28225219 28845804 29551236 30791148 31724121 32685458 33055203 33357077 41485389 42298828 43167982 44073604 49028187 52883974 55313852 56450438 63448242 64751973 65370916 66110406 66714154 79325961 82970778 84675657 86335964 98056374 100071231 105767948 112900876 121202411 126896484 129503946 132220812 133428308 143239213 158651922 165941556 169351314 179770019 187312817 196112748 200142462 242404822 259007892 286478426 317303844 338702628 359540038 363607233 366927847 374625634 400284924 429717639 484809644 539310057 561938451 572956852 719080076 727214466 733855694 749251268 859435278 1078620114 1100783541 1123876902 1454428932 1467711388 1575631343 1718870556 2060440987 2157240228 2201567082 2247753804 2435066621 3151262686 4120881974 4403134164 4726894029 4870133242 6181322961 6302525372 7305199863 8241763948 9453788058 9740266484 12362645922 14610399726 18907576116 24725291844 26785732831 29220799452 53571465662 80357198493 107142931324 160714396986 321428793972
• Sum of all divisors σ(n): 953017228800
• Sum of proper divisors (its aliquot sum) s(n): 631588434828
• 321428793972 is an abundant number, because the sum of its proper divisors (631588434828) is greater than itself. Its abundance is 310159640856

Bases of 321428793972

• Binary: 100101011010110101001100010101001110100₂
• Hexadecimal: 0x4AD6A62A74
• Base-36: 43NUEKQC

Squares and roots of 321428793972

• 321428793972 squared (321428793972²) is 103316469594294423536784
• 321428793972 cubed (321428793972³) is 33208888219138864689713451899466048
• The square root of 321428793972 is 566946.9057786629
• The cube root of 321428793972 is 6850.0686868421

Scales and comparisons

• 321,428,793,972 seconds is equal to 10,220 years, 22 weeks, 6 days, 16 hours, 6 minutes, 12 seconds.
• To count from 1 to 321,428,793,972 would take you about twenty thousand, four hundred forty 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 321428793972 cubic inches would be around 570.8 feet tall.

Recreational maths with 321428793972

• 321428793972 backwards is 279397824123
• The number of decimal digits it has is: 12
• The sum of 321428793972's digits is 57
• More coming soon!