28147443984

Names of 28147443984

• Cardinal: 28147443984 can be written as Twenty-eight billion, one hundred forty-seven million, four hundred forty-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.8147443984 × 10¹⁰

Factors of 28147443984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 88

Divisors of 28147443984

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 31 33 36 41 44 48 62 66 72 82 88 93 99 121 123 124 132 144 164 176 186 198 242 246 248 264 279 328 341 363 369 372 396 451 484 492 496 528 558 656 682 726 738 744 792 902 961 968 984 1023 1089 1116 1271 1353 1364 1452 1476 1488 1584 1681 1804 1922 1936 1968 2046 2178 2232 2542 2706 2728 2883 2904 2952 3069 3362 3608 3751 3813 3844 4059 4092 4356 4464 4961 5043 5084 5412 5456 5766 5808 5904 6138 6724 7216 7502 7626 7688 8118 8184 8649 8712 9922 10086 10168 10571 10824 11253 11439 11532 12276 13448 13981 14883 15004 15129 15252 15376 16236 16368 17298 17424 18491 19844 20172 20336 21142 21648 22506 22878 23064 24552 26896 27962 29766 30008 30258 30504 31713 32472 33759 34596 36982 39401 39688 40344 41943 42284 44649 45012 45756 46128 49104 52111 55473 55924 59532 60016 60516 61008 63426 64944 67518 69192 73964 78802 79376 80688 83886 84568 89298 90024 91512 95139 104222 110946 111848 116281 118203 119064 121032 125829 126852 135036 138384 147928 153791 156333 157604 166419 167772 169136 178596 180048 183024 190278 203401 208444 221892 223696 232562 236406 238128 242064 251658 253704 270072 295856 307582 312666 315208 332838 335544 348843 354609 357192 380556 406802 416888 433411 443784 461373 465124 468999 472812 503316 507408 540144 573221 610203 615164 625332 630416 665676 671088 697686 709218 714384 761112 813604 833776 866822 887568 922746 930248 937998 945624 1006632 1046529 1146442 1220406 1230328 1250664 1300233 1331352 1384119 1395372 1418436 1522224 1615441 1627208 1719663 1733644 1830609 1845492 1860496 1875996 1891248 2013264 2093058 2292884 2440812 2460656 2501328 2600466 2662704 2768238 2790744 2836872 3230882 3254416 3439326 3467288 3661218 3690984 3751992 3900699 4186116 4585768 4767521 4846323 4881624 5158989 5200932 5536476 5581488 5673744 6305431 6461764 6878652 6934576 7322436 7381968 7503984 7801398 8372232 9171536 9535042 9692646 9763248 10317978 10401864 11072952 12610862 12923528 13757304 14302563 14538969 14644872 15602796 16744464 17769851 18916293 19070084 19385292 20635956 20803728 22145904 25221724 25847056 27514608 28605126 29077938 29289744 31205592 35539702 37832586 38140168 38770584 41271912 42907689 50443448 53309553 56748879 57210252 58155876 62411184 71079404 75665172 76280336 77541168 82543824 85815378 100886896 106619106 113497758 114420504 116311752 142158808 151330344 159928659 171630756 195468361 213238212 226995516 228841008 232623504 284317616 302660688 319857318 343261512 390936722 426476424 453991032 586405083 639714636 686523024 781873444 852952848 907982064 1172810166 1279429272 1563746888 1759215249 2345620332 2558858544 3127493776 3518430498 4691240664 7036860996 9382481328 14073721992 28147443984
• Sum of all divisors σ(n): 91704619461
• Sum of proper divisors (its aliquot sum) s(n): 63557175477
• 28147443984 is an abundant number, because the sum of its proper divisors (63557175477) is greater than itself. Its abundance is 35409731493

Bases of 28147443984

• Binary: 11010001101101101111110100100010000₂
• Hexadecimal: 0x68DB7E910
• Base-36: CXI9ES0

Squares and roots of 28147443984

• 28147443984 squared (28147443984²) is 792278602832417792256
• 28147443984 cubed (28147443984³) is 22300617592947263546810708987904
• 28147443984 is a perfect square number. Its square root is 167772
• The cube root of 28147443984 is 3041.9097240009

Scales and comparisons

• 28,147,443,984 seconds is equal to 895 years, 14 hours, 26 minutes, 24 seconds.
• To count from 1 to 28,147,443,984 would take you about one thousand, seven hundred ninety 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 28147443984 cubic inches would be around 253.5 feet tall.

Recreational maths with 28147443984

• 28147443984 backwards is 48934474182
• The number of decimal digits it has is: 11
• The sum of 28147443984's digits is 54
• More coming soon!