28955736720

Names of 28955736720

• Cardinal: 28955736720 can be written as Twenty-eight billion, nine hundred fifty-five million, seven hundred thirty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.895573672 × 10¹⁰

Factors of 28955736720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5065

Divisors of 28955736720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 144 145 174 180 232 240 261 290 293 348 360 435 464 522 580 586 696 720 870 879 1044 1160 1172 1305 1392 1465 1740 1758 2088 2320 2344 2610 2637 2930 3480 3516 4176 4395 4688 4733 5220 5274 5860 6960 7032 8497 8790 9466 10440 10548 11720 13185 14064 14199 16994 17580 18932 20880 21096 23440 23665 25491 26370 28398 33988 35160 37864 42192 42485 42597 47330 50982 52740 56796 67976 70320 70995 75728 76473 84970 85194 94660 101964 105480 113592 127455 135952 137257 141990 152946 169940 170388 189320 203928 210960 212985 227184 254910 274514 283980 305892 339880 340776 378640 382365 407856 411771 425970 509820 549028 567960 611784 679760 681552 686285 764730 823542 851940 1019640 1098056 1135920 1223568 1235313 1372570 1386769 1529460 1647084 1703880 2039280 2058855 2196112 2470626 2745140 2773538 3058920 3294168 3407760 4117710 4160307 4941252 5490280 5547076 6117840 6176565 6588336 6933845 8235420 8320614 9882504 10980560 11094152 12353130 12480921 13867690 16470840 16641228 19765008 20801535 22188304 24706260 24961842 27735380 32941680 33282456 40216301 41603070 49412520 49923684 55470760 62404605 66564912 80432602 83206140 98825040 99847368 110941520 120648903 124809210 160865204 166412280 199694736 201081505 241297806 249618420 321730408 332824560 361946709 402163010 482595612 499236840 603244515 643460816 723893418 804326020 965191224 998473680 1206489030 1447786836 1608652040 1809733545 1930382448 2412978060 2895573672 3217304080 3619467090 4825956120 5791147344 7238934180 9651912240 14477868360 28955736720
• Sum of all divisors σ(n): 100960881840
• Sum of proper divisors (its aliquot sum) s(n): 72005145120
• 28955736720 is an abundant number, because the sum of its proper divisors (72005145120) is greater than itself. Its abundance is 43049408400

Bases of 28955736720

• Binary: 11010111101111001010111101010010000₂
• Hexadecimal: 0x6BDE57A90
• Base-36: DAVHXG0

Squares and roots of 28955736720

• 28955736720 squared (28955736720²) is 838434688997956358400
• 28955736720 cubed (28955736720³) is 24277494111539904931880360448000
• The square root of 28955736720 is 170163.8525656961
• The cube root of 28955736720 is 3070.7529168681

Scales and comparisons

• 28,955,736,720 seconds is equal to 920 years, 36 weeks, 3 days, 20 hours, 12 minutes.
• To count from 1 to 28,955,736,720 would take you about one thousand, eight hundred forty-one 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 28955736720 cubic inches would be around 255.9 feet tall.

Recreational maths with 28955736720

• 28955736720 backwards is 02763755982
• The number of decimal digits it has is: 11
• The sum of 28955736720's digits is 54
• More coming soon!