30721268864
30,721,268,864 is an even composite number composed of four prime numbers multiplied together.
30721268864 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 30721268864:
27 × 114 × 132 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 11 × 11 × 13 × 13 × 97)See below for interesting mathematical facts about the number 30721268864 from the Numbermatics database.
Names of 30721268864
- Cardinal: 30721268864 can be written as Thirty billion, seven hundred twenty-one million, two hundred sixty-eight thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 3.0721268864 × 1010
Factors of 30721268864
Divisors of 30721268864
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 4 8 11 13 16 22 26 32 44 52 64 88 97 104 121 128 143 169 176 194 208 242 286 338 352 388 416 484 572 676 704 776 832 968 1067 1144 1261 1331 1352 1408 1552 1573 1664 1859 1936 2134 2288 2522 2662 2704 3104 3146 3718 3872 4268 4576 5044 5324 5408 6208 6292 7436 7744 8536 9152 10088 10648 10816 11737 12416 12584 13871 14641 14872 15488 16393 17072 17303 18304 20176 20449 21296 21632 23474 25168 27742 29282 29744 32786 34144 34606 40352 40898 42592 46948 50336 55484 58564 59488 65572 68288 69212 80704 81796 85184 93896 100672 110968 117128 118976 129107 131144 136576 138424 152581 161408 163592 170368 180323 187792 190333 201344 221936 224939 234256 237952 258214 262288 276848 305162 327184 360646 375584 380666 443872 449878 468512 516428 524576 553696 610324 654368 721292 751168 761332 887744 899756 937024 1032856 1049152 1107392 1220648 1308736 1420177 1442584 1502336 1522664 1678391 1775488 1799512 1874048 1983553 2065712 2098304 2214784 2441296 2474329 2617472 2840354 2885168 3045328 3356782 3599024 3967106 4131424 4882592 4948658 5680708 5770336 6090656 6713564 7198048 7934212 8262848 9765184 9897316 11361416 11540672 12181312 13427128 14396096 15868424 16525696 18462301 19530368 19794632 21819083 22722832 23081344 24362624 26854256 28792192 31736848 36924602 39589264 43638166 45445664 53708512 63473696 73849204 79178528 87276332 90891328 107417024 126947392 147698408 158357056 174552664 181782656 214834048 240009913 253894784 295396816 316714112 349105328 480019826 590793632 698210656 960039652 1181587264 1396421312 1920079304 2363174528 2792842624 3840158608 7680317216 15360634432 30721268864
- Sum of all divisors σ(n): 73650902850
- Sum of proper divisors (its aliquot sum) s(n): 42929633986
- 30721268864 is an abundant number, because the sum of its proper divisors (42929633986) is greater than itself. Its abundance is 12208365122
Bases of 30721268864
- Binary: 111001001110010000101011100100000002
- Hexadecimal: 0x727215C80
- Base-36: E42NERK
Squares and roots of 30721268864
- 30721268864 squared (307212688642) is 943796360614175850496
- 30721268864 cubed (307212688643) is 28994621747292796472863483756544
-
The
square root of 30721268864 is 175274.8380800849 -
The
cube root of 30721268864 is 3131.9372324335
Scales and comparisons
How big is 30721268864?- 30,721,268,864 seconds is equal to 976 years, 43 weeks, 5 days, 5 hours, 47 minutes, 44 seconds.
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To count from 1 to 30,721,268,864 would take you about one thousand, nine hundred fifty-three 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 30721268864 cubic inches would be around 261 feet tall.
Recreational maths with 30721268864
- 30721268864 backwards is 46886212703
- The number of decimal digits it has is: 11
- The sum of 30721268864's digits is 47
- More coming soon!
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