64472145920
64,472,145,920 is an even composite number composed of five prime numbers multiplied together.
64472145920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 64472145920:
213 × 5 × 73 × 13 × 353
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 13 × 353)See below for interesting mathematical facts about the number 64472145920 from the Numbermatics database.
Names of 64472145920
- Cardinal: 64472145920 can be written as Sixty-four billion, four hundred seventy-two million, one hundred forty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.447214592 × 1010
Factors of 64472145920
Divisors of 64472145920
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 182 196 208 224 245 256 260 280 320 343 353 364 392 416 448 455 490 512 520 560 637 640 686 706 728 784 832 896 910 980 1024 1040 1120 1274 1280 1372 1412 1456 1568 1664 1715 1765 1792 1820 1960 2048 2080 2240 2471 2548 2560 2744 2824 2912 3136 3185 3328 3430 3530 3584 3640 3920 4096 4160 4459 4480 4589 4942 5096 5120 5488 5648 5824 6272 6370 6656 6860 7060 7168 7280 7840 8192 8320 8918 8960 9178 9884 10192 10240 10976 11296 11648 12355 12544 12740 13312 13720 14120 14336 14560 15680 16640 17297 17836 17920 18356 19768 20384 20480 21952 22295 22592 22945 23296 24710 25088 25480 26624 27440 28240 28672 29120 31360 32123 33280 34594 35672 35840 36712 39536 40768 40960 43904 44590 45184 45890 46592 49420 50176 50960 53248 54880 56480 57344 58240 62720 64246 66560 69188 71344 71680 73424 79072 81536 86485 87808 89180 90368 91780 93184 98840 100352 101920 106496 109760 112960 116480 121079 125440 128492 133120 138376 142688 143360 146848 158144 160615 163072 172970 175616 178360 180736 183560 186368 197680 200704 203840 219520 224861 225920 232960 242158 250880 256984 266240 276752 285376 286720 293696 316288 321230 326144 345940 351232 356720 361472 367120 372736 395360 401408 407680 439040 449722 451840 465920 484316 501760 513968 532480 553504 570752 587392 605395 632576 642460 652288 691880 702464 713440 722944 734240 745472 790720 815360 878080 899444 903680 931840 968632 1003520 1027936 1107008 1124305 1141504 1174784 1210790 1265152 1284920 1304576 1383760 1404928 1426880 1445888 1468480 1574027 1581440 1630720 1756160 1798888 1807360 1863680 1937264 2007040 2055872 2214016 2248610 2283008 2349568 2421580 2530304 2569840 2609152 2767520 2809856 2853760 2891776 2936960 3148054 3162880 3261440 3512320 3597776 3614720 3727360 3874528 4111744 4428032 4497220 4566016 4699136 4843160 5060608 5139680 5218304 5535040 5707520 5873920 6296108 6325760 6522880 7024640 7195552 7229440 7749056 7870135 8223488 8856064 8994440 9132032 9398272 9686320 10121216 10279360 11070080 11415040 11747840 12592216 12651520 13045760 14049280 14391104 14458880 15498112 15740270 16446976 17712128 17988880 18264064 18796544 19372640 20242432 20558720 22140160 22830080 23495680 25184432 25303040 26091520 28782208 30996224 31480540 32893952 35424256 35977760 36528128 37593088 38745280 41117440 44280320 45660160 46991360 50368864 50606080 57564416 61992448 62961080 65787904 70848512 71955520 77490560 82234880 88560640 91320320 93982720 100737728 101212160 115128832 123984896 125922160 131575808 141697024 143911040 154981120 164469760 177121280 182640640 187965440 201475456 230257664 247969792 251844320 263151616 287822080 309962240 328939520 354242560 402950912 460515328 495939584 503688640 575644160 619924480 657879040 708485120 805901824 921030656 991879168 1007377280 1151288320 1239848960 1315758080 1611803648 1842061312 2014754560 2302576640 2479697920 3223607296 4029509120 4605153280 4959395840 6447214592 8059018240 9210306560 12894429184 16118036480 32236072960 64472145920
- Sum of all divisors σ(n): 194865955200
- Sum of proper divisors (its aliquot sum) s(n): 130393809280
- 64472145920 is an abundant number, because the sum of its proper divisors (130393809280) is greater than itself. Its abundance is 65921663360
Bases of 64472145920
- Binary: 1111000000101101011011100000000000002
- Hexadecimal: 0xF02D6E000
- Base-36: TM91U68
Squares and roots of 64472145920
- 64472145920 squared (644721459202) is 4156657599529772646400
- 64472145920 cubed (644721459203) is 267988635296360425443125362688000
-
The
square root of 64472145920 is 253913.6583959199 -
The
cube root of 64472145920 is 4009.8122834249
Scales and comparisons
How big is 64472145920?- 64,472,145,920 seconds is equal to 2,050 years, 5 days, 9 hours, 25 minutes, 20 seconds.
-
To count from 1 to 64,472,145,920 would take you about four thousand, one hundred 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 64472145920 cubic inches would be around 334.2 feet tall.
Recreational maths with 64472145920
- 64472145920 backwards is 02954127446
- The number of decimal digits it has is: 11
- The sum of 64472145920's digits is 44
- More coming soon!
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