128047920
128,047,920 is an even composite number composed of seven prime numbers multiplied together.
128047920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 128047920:
24 × 3 × 5 × 7 × 11 × 132 × 41
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 11 × 13 × 13 × 41)See below for interesting mathematical facts about the number 128047920 from the Numbermatics database.
Names of 128047920
- Cardinal: 128047920 can be written as One hundred twenty-eight million, forty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2804792 × 108
Factors of 128047920
Divisors of 128047920
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 26 28 30 33 35 39 40 41 42 44 48 52 55 56 60 65 66 70 77 78 80 82 84 88 91 104 105 110 112 120 123 130 132 140 143 154 156 164 165 168 169 176 182 195 205 208 210 220 231 240 246 260 264 273 280 286 287 308 312 328 330 336 338 364 385 390 410 420 429 440 451 455 462 492 507 520 528 533 546 560 572 574 615 616 624 656 660 676 715 728 770 780 820 840 845 858 861 880 902 910 924 984 1001 1014 1040 1066 1092 1144 1148 1155 1183 1230 1232 1320 1352 1353 1365 1430 1435 1456 1540 1560 1599 1640 1680 1690 1716 1722 1804 1820 1848 1859 1968 2002 2028 2132 2145 2184 2255 2288 2296 2310 2366 2460 2535 2640 2665 2704 2706 2730 2860 2870 3003 3080 3120 3157 3198 3280 3380 3432 3444 3549 3608 3640 3696 3718 3731 4004 4056 4264 4290 4305 4368 4510 4592 4620 4732 4920 5005 5070 5330 5412 5460 5577 5720 5740 5863 5915 6006 6160 6314 6396 6760 6765 6864 6888 6929 7098 7216 7280 7436 7462 7995 8008 8112 8528 8580 8610 9020 9240 9295 9464 9471 9840 10010 10140 10660 10824 10920 11154 11193 11440 11480 11726 11830 12012 12628 12792 13013 13520 13530 13776 13858 14196 14872 14924 15015 15785 15990 16016 17160 17220 17589 17745 18040 18480 18590 18655 18928 18942 20020 20280 20787 21320 21648 21840 22308 22386 22960 23452 23660 24024 25256 25584 26026 27060 27716 27885 28392 29315 29744 29848 30030 31570 31980 34320 34440 34645 35178 35490 36080 37180 37310 37884 39039 40040 40560 41041 41574 42640 44616 44772 46904 47320 47355 48048 48503 50512 52052 54120 55432 55770 55965 56784 58630 59696 60060 63140 63960 65065 68880 69290 70356 70980 74360 74620 75768 76219 78078 80080 82082 83148 87945 89232 89544 93808 94640 94710 97006 103935 104104 108240 110864 111540 111930 117260 120120 123123 126280 127920 130130 138580 140712 141960 145509 148720 149240 151536 152438 156156 164164 166296 175890 179088 189420 194012 195195 205205 207870 208208 223080 223860 228657 234520 240240 242515 246246 252560 260260 277160 281424 283920 291018 298480 304876 312312 328328 332592 351780 378840 381095 388024 390390 410410 415740 446160 447720 457314 469040 485030 492492 520520 533533 554320 582036 609752 615615 624624 656656 703560 727545 757680 762190 776048 780780 820820 831480 895440 914628 970060 984984 1041040 1067066 1143285 1164072 1219504 1231230 1407120 1455090 1524380 1561560 1600599 1641640 1662960 1829256 1940120 1969968 2134132 2286570 2328144 2462460 2667665 2910180 3048760 3123120 3201198 3283280 3658512 3880240 4268264 4573140 4924920 5335330 5820360 6097520 6402396 8002995 8536528 9146280 9849840 10670660 11640720 12804792 16005990 18292560 21341320 25609584 32011980 42682640 64023960 128047920
- Sum of all divisors σ(n): 548964864
- Sum of proper divisors (its aliquot sum) s(n): 420916944
- 128047920 is an abundant number, because the sum of its proper divisors (420916944) is greater than itself. Its abundance is 292869024
Bases of 128047920
- Binary: 1111010000111011011001100002
- Hexadecimal: 0x7A1DB30
- Base-36: 248IEO
Squares and roots of 128047920
- 128047920 squared (1280479202) is 16396269816326400
- 128047920 cubed (1280479203) is 2099508245739377561088000
-
The
square root of 128047920 is 11315.8260856201 -
The
cube root of 128047920 is 504.0313031703
Scales and comparisons
How big is 128047920?- 128,047,920 seconds is equal to 4 years, 3 weeks, 5 days, 52 minutes.
-
To count from 1 to 128,047,920 would take you about six 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 128047920 cubic inches would be around 42 feet tall.
Recreational maths with 128047920
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