128113440
128,113,440 is an even composite number composed of six prime numbers multiplied together.
128113440 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 128113440:
25 × 3 × 5 × 72 × 13 × 419
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 13 × 419)See below for interesting mathematical facts about the number 128113440 from the Numbermatics database.
Names of 128113440
- Cardinal: 128113440 can be written as One hundred twenty-eight million, one hundred thirteen thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2811344 × 108
Factors of 128113440
Divisors of 128113440
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 49 52 56 60 65 70 78 80 84 91 96 98 104 105 112 120 130 140 147 156 160 168 182 195 196 208 210 224 240 245 260 273 280 294 312 336 364 390 392 416 419 420 455 480 490 520 546 560 588 624 637 672 728 735 780 784 838 840 910 980 1040 1092 1120 1176 1248 1257 1274 1365 1456 1470 1560 1568 1676 1680 1820 1911 1960 2080 2095 2184 2352 2514 2548 2730 2912 2933 2940 3120 3185 3352 3360 3640 3822 3920 4190 4368 4704 5028 5096 5447 5460 5866 5880 6240 6285 6370 6704 7280 7644 7840 8380 8736 8799 9555 10056 10192 10894 10920 11732 11760 12570 12740 13408 14560 14665 15288 16341 16760 17598 19110 20112 20384 20531 21788 21840 23464 23520 25140 25480 27235 29330 30576 32682 33520 35196 38129 38220 40224 41062 43576 43680 43995 46928 50280 50960 54470 58660 61152 61593 65364 67040 70392 76258 76440 81705 82124 87152 87990 93856 100560 101920 102655 108940 114387 117320 123186 130728 140784 152516 152880 163410 164248 174304 175980 190645 201120 205310 217880 228774 234640 246372 261456 266903 281568 305032 305760 307965 326820 328496 351960 381290 410620 435760 457548 469280 492744 522912 533806 571935 610064 615930 653640 656992 703920 762580 800709 821240 871520 915096 985488 1067612 1143870 1220128 1231860 1307280 1334515 1407840 1525160 1601418 1642480 1830192 1970976 2135224 2287740 2463720 2614560 2669030 3050320 3202836 3284960 3660384 4003545 4270448 4575480 4927440 5338060 6100640 6405672 8007090 8540896 9150960 9854880 10676120 12811344 16014180 18301920 21352240 25622688 32028360 42704480 64056720 128113440
- Sum of all divisors σ(n): 506761920
- Sum of proper divisors (its aliquot sum) s(n): 378648480
- 128113440 is an abundant number, because the sum of its proper divisors (378648480) is greater than itself. Its abundance is 250535040
Bases of 128113440
- Binary: 1111010001011011011001000002
- Hexadecimal: 0x7A2DB20
- Base-36: 249WYO
Squares and roots of 128113440
- 128113440 squared (1281134402) is 16413053508633600
- 128113440 cubed (1281134403) is 2102732745895120195584000
-
The
square root of 128113440 is 11318.7207757767 -
The
cube root of 128113440 is 504.1172566685
Scales and comparisons
How big is 128113440?- 128,113,440 seconds is equal to 4 years, 3 weeks, 5 days, 19 hours, 4 minutes.
-
To count from 1 to 128,113,440 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 128113440 cubic inches would be around 42 feet tall.
Recreational maths with 128113440
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