128402391040
128,402,391,040 is an even composite number composed of five prime numbers multiplied together.
128402391040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eight divisors.
Prime factorization of 128402391040:
216 × 5 × 72 × 11 × 727
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 727)See below for interesting mathematical facts about the number 128402391040 from the Numbermatics database.
Names of 128402391040
- Cardinal: 128402391040 can be written as One hundred twenty-eight billion, four hundred two million, three hundred ninety-one thousand and forty.
Scientific notation
- Scientific notation: 1.2840239104 × 1011
Factors of 128402391040
Divisors of 128402391040
- Number of divisors d(n): 408
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 77 80 88 98 110 112 128 140 154 160 176 196 220 224 245 256 280 308 320 352 385 392 440 448 490 512 539 560 616 640 704 727 770 784 880 896 980 1024 1078 1120 1232 1280 1408 1454 1540 1568 1760 1792 1960 2048 2156 2240 2464 2560 2695 2816 2908 3080 3136 3520 3584 3635 3920 4096 4312 4480 4928 5089 5120 5390 5632 5816 6160 6272 7040 7168 7270 7840 7997 8192 8624 8960 9856 10178 10240 10780 11264 11632 12320 12544 14080 14336 14540 15680 15994 16384 17248 17920 19712 20356 20480 21560 22528 23264 24640 25088 25445 28160 28672 29080 31360 31988 32768 34496 35623 35840 39424 39985 40712 40960 43120 45056 46528 49280 50176 50890 55979 56320 57344 58160 62720 63976 65536 68992 71246 71680 78848 79970 81424 81920 86240 90112 93056 98560 100352 101780 111958 112640 114688 116320 125440 127952 137984 142492 143360 157696 159940 162848 163840 172480 178115 180224 186112 197120 200704 203560 223916 225280 229376 232640 250880 255904 275968 279895 284984 286720 315392 319880 325696 327680 344960 356230 360448 372224 391853 394240 401408 407120 447832 450560 458752 465280 501760 511808 551936 559790 569968 573440 630784 639760 651392 689920 712460 720896 744448 783706 788480 802816 814240 895664 901120 930560 1003520 1023616 1103872 1119580 1139936 1146880 1261568 1279520 1302784 1379840 1424920 1488896 1567412 1576960 1605632 1628480 1791328 1802240 1861120 1959265 2007040 2047232 2207744 2239160 2279872 2293760 2523136 2559040 2605568 2759680 2849840 2977792 3134824 3153920 3211264 3256960 3582656 3604480 3722240 3918530 4014080 4094464 4415488 4478320 4559744 5046272 5118080 5211136 5519360 5699680 5955584 6269648 6307840 6513920 7165312 7444480 7837060 8028160 8188928 8830976 8956640 9119488 10236160 10422272 11038720 11399360 11911168 12539296 12615680 13027840 14330624 14888960 15674120 16056320 16377856 17661952 17913280 18238976 20472320 20844544 22077440 22798720 23822336 25078592 25231360 26055680 28661248 29777920 31348240 32755712 35323904 35826560 36477952 40944640 41689088 44154880 45597440 47644672 50157184 52111360 57322496 59555840 62696480 65511424 71653120 72955904 81889280 83378176 88309760 91194880 100314368 104222720 114644992 119111680 125392960 131022848 143306240 145911808 163778560 166756352 176619520 182389760 200628736 208445440 229289984 238223360 250785920 262045696 286612480 291823616 327557120 333512704 364779520 401257472 416890880 458579968 501571840 524091392 573224960 583647232 655114240 729559040 802514944 833781760 917159936 1003143680 1146449920 1167294464 1310228480 1459118080 1605029888 1667563520 1834319872 2006287360 2292899840 2334588928 2620456960 2918236160 3210059776 3668639744 4012574720 4585799680 5836472320 6420119552 8025149440 9171599360 11672944640 12840239104 16050298880 18343198720 25680478208 32100597760 64201195520 128402391040
- Sum of all divisors σ(n): 391602399552
- Sum of proper divisors (its aliquot sum) s(n): 263200008512
- 128402391040 is an abundant number, because the sum of its proper divisors (263200008512) is greater than itself. Its abundance is 134797617472
Bases of 128402391040
- Binary: 11101111001010110000100000000000000002
- Hexadecimal: 0x1DE5610000
- Base-36: 1MZJGV0G
Squares and roots of 128402391040
- 128402391040 squared (1284023910402) is 16487174024789072281600
- 128402391040 cubed (1284023910403) is 2116992566275497112620828196864000
-
The
square root of 128402391040 is 358332.7936988185 -
The
cube root of 128402391040 is 5044.9597267205
Scales and comparisons
How big is 128402391040?- 128,402,391,040 seconds is equal to 4,082 years, 41 weeks, 3 days, 18 hours, 50 minutes, 40 seconds.
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To count from 1 to 128,402,391,040 would take you about eight thousand, one hundred sixty-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 128402391040 cubic inches would be around 420.4 feet tall.
Recreational maths with 128402391040
- 128402391040 backwards is 040193204821
- The number of decimal digits it has is: 12
- The sum of 128402391040's digits is 34
- More coming soon!
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