128030400
128,030,400 is an even composite number composed of five prime numbers multiplied together.
128030400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 128030400:
26 × 32 × 52 × 17 × 523
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 17 × 523)See below for interesting mathematical facts about the number 128030400 from the Numbermatics database.
Names of 128030400
- Cardinal: 128030400 can be written as One hundred twenty-eight million, thirty thousand, four hundred.
Scientific notation
- Scientific notation: 1.280304 × 108
Factors of 128030400
Divisors of 128030400
- Number of divisors d(n): 252
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 32 34 36 40 45 48 50 51 60 64 68 72 75 80 85 90 96 100 102 120 136 144 150 153 160 170 180 192 200 204 225 240 255 272 288 300 306 320 340 360 400 408 425 450 480 510 523 544 576 600 612 680 720 765 800 816 850 900 960 1020 1046 1088 1200 1224 1275 1360 1440 1530 1569 1600 1632 1700 1800 2040 2092 2400 2448 2550 2615 2720 2880 3060 3138 3264 3400 3600 3825 4080 4184 4707 4800 4896 5100 5230 5440 6120 6276 6800 7200 7650 7845 8160 8368 8891 9414 9792 10200 10460 12240 12552 13075 13600 14400 15300 15690 16320 16736 17782 18828 20400 20920 23535 24480 25104 26150 26673 27200 30600 31380 33472 35564 37656 39225 40800 41840 44455 47070 48960 50208 52300 53346 61200 62760 71128 75312 78450 80019 81600 83680 88910 94140 100416 104600 106692 117675 122400 125520 133365 142256 150624 156900 160038 167360 177820 188280 209200 213384 222275 235350 244800 251040 266730 284512 301248 313800 320076 355640 376560 400095 418400 426768 444550 470700 502080 533460 569024 627600 640152 666825 711280 753120 800190 836800 853536 889100 941400 1066920 1255200 1280304 1333650 1422560 1506240 1600380 1707072 1778200 1882800 2000475 2133840 2510400 2560608 2667300 2845120 3200760 3556400 3765600 4000950 4267680 5121216 5334600 6401520 7112800 7531200 8001900 8535360 10669200 12803040 14225600 16003800 21338400 25606080 32007600 42676800 64015200 128030400
- Sum of all divisors σ(n): 482739192
- Sum of proper divisors (its aliquot sum) s(n): 354708792
- 128030400 is an abundant number, because the sum of its proper divisors (354708792) is greater than itself. Its abundance is 226678392
Bases of 128030400
- Binary: 1111010000110010110110000002
- Hexadecimal: 0x7A196C0
- Base-36: 2484W0
Squares and roots of 128030400
- 128030400 squared (1280304002) is 16391783324160000
- 128030400 cubed (1280304003) is 2098646575705534464000000
-
The
square root of 128030400 is 11315.0519221081 -
The
cube root of 128030400 is 504.0083142997
Scales and comparisons
How big is 128030400?- 128,030,400 seconds is equal to 4 years, 3 weeks, 4 days, 20 hours.
-
To count from 1 to 128,030,400 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 128030400 cubic inches would be around 42 feet tall.
Recreational maths with 128030400
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