72743220864

Names of 72743220864

• Cardinal: 72743220864 can be written as Seventy-two billion, seven hundred forty-three million, two hundred twenty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 7.2743220864 × 10¹⁰

Factors of 72743220864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 525

Divisors of 72743220864

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 97 102 128 136 144 149 153 192 194 204 257 272 288 291 298 306 384 388 408 447 514 544 576 582 596 612 771 776 816 873 894 1028 1088 1152 1164 1192 1224 1341 1542 1552 1632 1649 1746 1788 2056 2176 2313 2328 2384 2448 2533 2682 3084 3104 3264 3298 3492 3576 4112 4369 4626 4656 4768 4896 4947 5066 5364 6168 6208 6528 6596 6984 7152 7599 8224 8738 9252 9312 9536 9792 9894 10132 10728 12336 12416 13107 13192 13968 14304 14453 14841 15198 16448 17476 18504 18624 19072 19584 19788 20264 21456 22797 24672 24929 26214 26384 27936 28608 28906 29682 30396 32896 34952 37008 37248 38293 39321 39576 40528 42912 43359 45594 49344 49858 52428 52768 55872 57216 57812 59364 60792 69904 74016 74787 76586 78642 79152 81056 85824 86718 91188 98688 99716 104856 105536 111744 114879 115624 118728 121584 130077 139808 148032 149574 153172 157284 158304 162112 171648 173436 182376 199432 209712 211072 224361 229758 231248 237456 243168 245701 260154 279616 296064 299148 306344 314568 316608 324224 344637 346872 364752 398864 419424 423793 448722 459516 462496 474912 486336 491402 520308 559232 598296 612688 629136 633216 650981 689274 693744 729504 737103 797728 838848 847586 897444 919032 924992 949824 972672 982804 1040616 1196592 1225376 1258272 1271379 1301962 1378548 1387488 1459008 1474206 1595456 1677696 1695172 1794888 1838064 1849984 1899648 1952943 1965608 2081232 2211309 2393184 2450752 2516544 2542758 2603924 2757096 2774976 2918016 2948412 3190912 3390344 3589776 3676128 3714421 3814137 3905886 3931216 4162464 4422618 4786368 4901504 5033088 5085516 5207848 5514192 5549952 5858829 5896824 6780688 7179552 7352256 7428842 7628274 7811772 7862432 8324928 8845236 9572736 10171032 10415696 11028384 11143263 11717658 11793648 13561376 14359104 14704512 14857684 15256548 15623544 15724864 16649856 17690472 20342064 20831392 22056768 22286526 23435316 23587296 27122752 28718208 29715368 30513096 31247088 31449728 33429789 35380944 40684128 41662784 44113536 44573052 46870632 47174592 54245504 59430736 61026192 62494176 63145157 66859578 70761888 81368256 83325568 89146104 93741264 94349184 118861472 122052384 124988352 126290314 133719156 141523776 162736512 178292208 187482528 189435471 237722944 244104768 249976704 252580628 267438312 283047552 356584416 374965056 378870942 475445888 488209536 505161256 534876624 568306413 713168832 749930112 757741884 1010322512 1069753248 1136612826 1426337664 1515483768 2020645024 2139506496 2273225652 3030967536 4041290048 4279012992 4546451304 6061935072 8082580096 9092902608 12123870144 18185805216 24247740288 36371610432 72743220864
• Sum of all divisors σ(n): 226304442000
• Sum of proper divisors (its aliquot sum) s(n): 153561221136
• 72743220864 is an abundant number, because the sum of its proper divisors (153561221136) is greater than itself. Its abundance is 80818000272

Bases of 72743220864

• Binary: 1000011101111110101010111011010000000₂
• Hexadecimal: 0x10EFD57680
• Base-36: XF1FOG0

Squares and roots of 72743220864

• 72743220864 squared (72743220864²) is 5291576181668684906496
• 72743220864 cubed (72743220864³) is 384926294901806934225661716332544
• The square root of 72743220864 is 269709.5120013383
• The cube root of 72743220864 is 4174.4331330521

Scales and comparisons

• 72,743,220,864 seconds is equal to 2,313 years, 3 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 72,743,220,864 would take you about four thousand, six hundred twenty-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 72743220864 cubic inches would be around 347.9 feet tall.

Recreational maths with 72743220864

• 72743220864 backwards is 46802234727
• The number of decimal digits it has is: 11
• The sum of 72743220864's digits is 45
• More coming soon!