40001045728
40,001,045,728 is an even composite number composed of six prime numbers multiplied together.
40001045728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 40001045728:
25 × 72 × 37 × 61 × 89 × 127
(2 × 2 × 2 × 2 × 2 × 7 × 7 × 37 × 61 × 89 × 127)See below for interesting mathematical facts about the number 40001045728 from the Numbermatics database.
Names of 40001045728
- Cardinal: 40001045728 can be written as Forty billion, one million, forty-five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 4.0001045728 × 1010
Factors of 40001045728
Divisors of 40001045728
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 7 8 14 16 28 32 37 49 56 61 74 89 98 112 122 127 148 178 196 224 244 254 259 296 356 392 427 488 508 518 592 623 712 784 854 889 976 1016 1036 1184 1246 1424 1568 1708 1778 1813 1952 2032 2072 2257 2492 2848 2989 3293 3416 3556 3626 4064 4144 4361 4514 4699 4984 5429 5978 6223 6586 6832 7112 7252 7747 8288 8722 9028 9398 9968 10858 11303 11956 12446 13172 13664 14224 14504 15494 15799 17444 18056 18796 19936 21716 22606 23051 23912 24892 26344 28448 29008 30988 31598 32893 34888 36112 37592 38003 43432 45212 46102 47824 49784 52688 54229 58016 61976 63196 65786 69776 72224 75184 76006 79121 86864 90424 92204 95648 99568 105376 108458 110593 123952 126392 131572 139552 150368 152012 158242 161357 173728 180848 184408 199136 200873 216916 221186 230251 247904 252784 263144 266021 286639 304024 316484 322714 361696 368816 379603 401746 418211 433832 442372 460502 505568 526288 532042 553847 573278 608048 632968 645428 689483 737632 759206 803492 836422 867664 884744 921004 1052576 1064084 1107694 1146556 1216096 1265936 1290856 1378966 1406111 1518412 1606984 1672844 1735328 1769488 1842008 2006473 2128168 2215388 2293112 2531872 2581712 2757932 2812222 2927477 3036824 3213968 3345688 3538976 3684016 4012946 4256336 4430776 4586224 4826381 5163424 5515864 5624444 5854954 6073648 6427936 6691376 7368032 8025892 8512672 8861552 9172448 9652762 9842777 11031728 11248888 11709908 12147296 13382752 14045311 16051784 17723104 19305524 19685554 20492339 22063456 22497776 23419816 25510871 28090622 32103568 33784667 38611048 39371108 40984678 44995552 46839632 51021742 56181244 64207136 67569334 77222096 78742216 81969356 93679264 102043484 112362488 135138668 154444192 157484432 163938712 178576097 204086968 224724976 270277336 314968864 327877424 357152194 408173936 449449952 540554672 655754848 714304388 816347872 1081109344 1250032679 1428608776 2500065358 2857217552 5000130716 5714435104 10000261432 20000522864 40001045728
- Sum of all divisors σ(n): 97463761920
- Sum of proper divisors (its aliquot sum) s(n): 57462716192
- 40001045728 is an abundant number, because the sum of its proper divisors (57462716192) is greater than itself. Its abundance is 17461670464
Bases of 40001045728
- Binary: 1001010100000011111110000100111000002
- Hexadecimal: 0x9503F84E0
- Base-36: IDJL8F4
Squares and roots of 40001045728
- 40001045728 squared (400010457282) is 1600083659333547049984
- 40001045728 cubed (400010457283) is 64005019625626789550849485668352
-
The
square root of 40001045728 is 200002.6143029135 -
The
cube root of 40001045728 is 3419.9816959223
Scales and comparisons
How big is 40001045728?- 40,001,045,728 seconds is equal to 1,271 years, 47 weeks, 2 days, 1 hour, 35 minutes, 28 seconds.
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To count from 1 to 40,001,045,728 would take you about two thousand, five hundred forty-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 40001045728 cubic inches would be around 285 feet tall.
Recreational maths with 40001045728
- 40001045728 backwards is 82754010004
- The number of decimal digits it has is: 11
- The sum of 40001045728's digits is 31
- More coming soon!
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