128439430400
128,439,430,400 is an even composite number composed of four prime numbers multiplied together.
128439430400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 128439430400:
28 × 52 × 149 × 3672
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 149 × 367 × 367)See below for interesting mathematical facts about the number 128439430400 from the Numbermatics database.
Names of 128439430400
- Cardinal: 128439430400 can be written as One hundred twenty-eight billion, four hundred thirty-nine million, four hundred thirty thousand, four hundred.
Scientific notation
- Scientific notation: 1.284394304 × 1011
Factors of 128439430400
Divisors of 128439430400
- Number of divisors d(n): 162
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 149 160 200 256 298 320 367 400 596 640 734 745 800 1192 1280 1468 1490 1600 1835 2384 2936 2980 3200 3670 3725 4768 5872 5960 6400 7340 7450 9175 9536 11744 11920 14680 14900 18350 19072 23488 23840 29360 29800 36700 38144 46976 47680 54683 58720 59600 73400 93952 95360 109366 117440 119200 134689 146800 190720 218732 234880 238400 269378 273415 293600 437464 469760 476800 538756 546830 587200 673445 874928 953600 1077512 1093660 1174400 1346890 1367075 1749856 2155024 2187320 2348800 2693780 2734150 3367225 3499712 4310048 4374640 5387560 5468300 6734450 6999424 8620096 8749280 10775120 10936600 13468900 13998848 17240192 17498560 20068661 21550240 21873200 26937800 34480384 34997120 40137322 43100480 43746400 53875600 69994240 80274644 86200960 87492800 100343305 107751200 160549288 172401920 174985600 200686610 215502400 321098576 349971200 401373220 431004800 501716525 642197152 802746440 862009600 1003433050 1284394304 1605492880 2006866100 2568788608 3210985760 4013732200 5137577216 6421971520 8027464400 12843943040 16054928800 25687886080 32109857600 64219715200 128439430400
- Sum of all divisors σ(n): 320915690550
- Sum of proper divisors (its aliquot sum) s(n): 192476260150
- 128439430400 is an abundant number, because the sum of its proper divisors (192476260150) is greater than itself. Its abundance is 64036829750
Bases of 128439430400
- Binary: 11101111001111001011000101101000000002
- Hexadecimal: 0x1DE7962D00
- Base-36: 1N05IQRK
Squares and roots of 128439430400
- 128439430400 squared (1284394304002) is 16496687281476444160000
- 128439430400 cubed (1284394304003) is 2118825117919758958927806464000000
-
The
square root of 128439430400 is 358384.4728779415 -
The
cube root of 128439430400 is 5045.4447750991
Scales and comparisons
How big is 128439430400?- 128,439,430,400 seconds is equal to 4,083 years, 50 weeks, 5 days, 11 hours, 33 minutes, 20 seconds.
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To count from 1 to 128,439,430,400 would take you about eight thousand, one hundred sixty-seven 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 128439430400 cubic inches would be around 420.5 feet tall.
Recreational maths with 128439430400
- 128439430400 backwards is 004034934821
- The number of decimal digits it has is: 12
- The sum of 128439430400's digits is 38
- More coming soon!
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