30745141728

Names of 30745141728

• Cardinal: 30745141728 can be written as Thirty billion, seven hundred forty-five million, one hundred forty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0745141728 × 10¹⁰

Factors of 30745141728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1719

Divisors of 30745141728

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 49 56 84 86 96 97 98 112 129 147 168 172 194 196 224 258 291 294 301 336 344 388 392 516 582 588 602 672 679 688 776 784 903 1032 1164 1176 1204 1358 1376 1552 1567 1568 1806 2037 2064 2107 2328 2352 2408 2716 3104 3134 3612 4074 4128 4171 4214 4656 4701 4704 4753 4816 5432 6268 6321 7224 8148 8342 8428 9312 9402 9506 9632 10864 10969 12513 12536 12642 14259 14448 16296 16684 16856 18804 19012 21728 21938 25026 25072 25284 28518 28896 29197 32592 32907 33368 33712 37608 38024 43876 50052 50144 50568 57036 58394 65184 65814 66736 67381 67424 75216 76048 76783 87591 87752 100104 101136 114072 116788 131628 133472 134762 150432 151999 152096 153566 175182 175504 200208 202143 202272 204379 228144 230349 233576 263256 269524 303998 307132 350364 351008 400416 404286 408758 455997 456288 460698 467152 471667 526512 539048 607996 613137 614264 700728 808572 817516 911994 921396 934304 943334 1053024 1063993 1078096 1215992 1226274 1228528 1401456 1415001 1617144 1635032 1823988 1842792 1886668 2127986 2156192 2431984 2452548 2457056 2802912 2830002 3191979 3234288 3270064 3301669 3647976 3685584 3773336 4255972 4863968 4905096 5660004 6383958 6468576 6535957 6540128 6603338 7295952 7371168 7447951 7546672 8511944 9810192 9905007 11320008 12767916 13071914 13206676 14591904 14895902 15093344 17023888 19607871 19620384 19810014 22343853 22640016 25535832 26143828 26413352 29791804 34047776 39215742 39620028 44687706 45280032 45751699 51071664 52287656 52826704 59583608 78431484 79240056 89375412 91503398 102143328 104575312 105653408 119167216 137255097 156862968 158480112 178750824 183006796 209150624 238334432 274510194 313725936 316960224 320261893 357501648 366013592 549020388 627451872 640523786 715003296 732027184 960785679 1098040776 1281047572 1464054368 1921571358 2196081552 2562095144 3843142716 4392163104 5124190288 7686285432 10248380576 15372570864 30745141728
• Sum of all divisors σ(n): 97118106624
• Sum of proper divisors (its aliquot sum) s(n): 66372964896
• 30745141728 is an abundant number, because the sum of its proper divisors (66372964896) is greater than itself. Its abundance is 35627823168

Bases of 30745141728

• Binary: 11100101000100011011010000111100000₂
• Hexadecimal: 0x7288DA1E0
• Base-36: E4GV36O

Squares and roots of 30745141728

• 30745141728 squared (30745141728²) is 945263739874806825984
• 30745141728 cubed (30745141728³) is 29062267652790260841499913060352
• The square root of 30745141728 is 175342.9260848581
• The cube root of 30745141728 is 3132.7482769831

Scales and comparisons

• 30,745,141,728 seconds is equal to 977 years, 31 weeks, 1 day, 13 hours, 8 minutes, 48 seconds.
• To count from 1 to 30,745,141,728 would take you about one thousand, nine hundred fifty-five 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 30745141728 cubic inches would be around 261.1 feet tall.

Recreational maths with 30745141728

• 30745141728 backwards is 82714154703
• 30745141728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30745141728's digits is 42
• More coming soon!