28120929984

Names of 28120929984

• Cardinal: 28120929984 can be written as Twenty-eight billion, one hundred twenty million, nine hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.8120929984 × 10¹⁰

Factors of 28120929984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 24162

Divisors of 28120929984

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 64 68 72 84 96 102 112 119 126 136 144 153 168 192 204 224 238 252 272 288 289 306 336 357 408 448 476 504 544 576 578 612 672 714 816 867 952 1008 1071 1088 1156 1224 1344 1428 1632 1734 1904 2016 2023 2142 2312 2448 2601 2856 3264 3468 3808 4032 4046 4284 4624 4896 5202 5712 6069 6936 7616 8092 8568 9248 9792 10404 11424 12138 13872 16184 17136 18207 18496 20808 22848 24133 24276 27744 32368 34272 36414 41616 48266 48552 55488 64736 68544 72399 72828 83232 96532 97104 129472 144798 145656 166464 168931 193064 194208 217197 289596 291312 337862 386128 388416 410261 434394 506793 579192 582624 675724 772256 820522 868788 1013586 1158384 1165248 1230783 1351448 1520379 1544512 1641044 1737576 2027172 2316768 2461566 2702896 2871827 3040758 3282088 3475152 3692349 4054344 4633536 4923132 5405792 5743654 6081516 6564176 6950304 6974437 7384698 8108688 8615481 9846264 10811584 11487308 12163032 13128352 13900608 13948874 14769396 16217376 17230962 19692528 20923311 22974616 24326064 25846443 26256704 27897748 29538792 32434752 34461924 39385056 41846622 45949232 48652128 48821059 51692886 55795496 59077584 62769933 68923848 78770112 83693244 91898464 97304256 97642118 103385772 111590992 118155168 125539866 137847696 146463177 167386488 183796928 195284236 206771544 223181984 236310336 251079732 275695392 292926354 334772976 390568472 413543088 439389531 446363968 502159464 551390784 585852708 669545952 781136944 827086176 878779062 1004318928 1171705416 1339091904 1562273888 1654172352 1757558124 2008637856 2343410832 3124547776 3515116248 4017275712 4686821664 7030232496 9373643328 14060464992 28120929984
• Sum of all divisors σ(n): 97859894704
• Sum of proper divisors (its aliquot sum) s(n): 69738964720
• 28120929984 is an abundant number, because the sum of its proper divisors (69738964720) is greater than itself. Its abundance is 41618034736

Bases of 28120929984

• Binary: 11010001100001000110101011011000000₂
• Hexadecimal: 0x68C2356C0
• Base-36: CX2H4G0

Squares and roots of 28120929984

• 28120929984 squared (28120929984²) is 790786703165030240256
• 28120929984 cubed (28120929984³) is 22237657511982006583481674235904
• The square root of 28120929984 is 167692.9634301929
• The cube root of 28120929984 is 3040.9542964319

Scales and comparisons

• 28,120,929,984 seconds is equal to 894 years, 8 weeks, 1 day, 17 hours, 26 minutes, 24 seconds.
• To count from 1 to 28,120,929,984 would take you about one thousand, seven hundred eighty-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 28120929984 cubic inches would be around 253.4 feet tall.

Recreational maths with 28120929984

• 28120929984 backwards is 48992902182
• The number of decimal digits it has is: 11
• The sum of 28120929984's digits is 54
• More coming soon!