129138520500
129,138,520,500 is an even composite number composed of five prime numbers multiplied together.
129138520500 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 129138520500:
22 × 32 × 53 × 112 × 4872
(2 × 2 × 3 × 3 × 5 × 5 × 5 × 11 × 11 × 487 × 487)See below for interesting mathematical facts about the number 129138520500 from the Numbermatics database.
Names of 129138520500
- Cardinal: 129138520500 can be written as One hundred twenty-nine billion, one hundred thirty-eight million, five hundred twenty thousand, five hundred.
Scientific notation
- Scientific notation: 1.291385205 × 1011
Factors of 129138520500
Divisors of 129138520500
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 121 125 132 150 165 180 198 220 225 242 250 275 300 330 363 375 396 450 484 487 495 500 550 605 660 726 750 825 900 974 990 1089 1100 1125 1210 1375 1452 1461 1500 1650 1815 1948 1980 2178 2250 2420 2435 2475 2750 2922 3025 3300 3630 4125 4356 4383 4500 4870 4950 5357 5445 5500 5844 6050 7260 7305 8250 8766 9075 9740 9900 10714 10890 12100 12175 12375 14610 15125 16071 16500 17532 18150 21428 21780 21915 24350 24750 26785 27225 29220 30250 32142 36300 36525 43830 45375 48213 48700 49500 53570 54450 58927 60500 60875 64284 73050 80355 87660 90750 96426 107140 108900 109575 117854 121750 133925 136125 146100 160710 176781 181500 182625 192852 219150 235708 237169 241065 243500 267850 272250 294635 321420 353562 365250 401775 438300 474338 482130 530343 535700 544500 547875 589270 669625 707124 711507 730500 803550 883905 948676 964260 1060686 1095750 1178540 1185845 1205325 1339250 1423014 1473175 1607100 1767810 2008875 2121372 2134521 2191500 2371690 2410650 2608859 2651715 2678500 2846028 2946350 3535620 3557535 4017750 4269042 4419525 4743380 4821300 5217718 5303430 5892700 5929225 6026625 7115070 7365875 7826577 8035500 8538084 8839050 10435436 10606860 10672605 11858450 12053250 13044295 13258575 14230140 14731750 15653154 17678100 17787675 21345210 22097625 23479731 23716900 24106500 26088590 26517150 28697449 29463500 29646125 31306308 35575350 39132885 42690420 44195250 46959462 52177180 53034300 53363025 57394898 59292250 65221475 66292875 71150700 78265770 86092347 88390500 88938375 93918924 106726050 114789796 117398655 118584500 130442950 132585750 143487245 156531540 172184694 177876750 195664425 213452100 234797310 258277041 260885900 265171500 266815125 286974490 326107375 344369388 355753500 391328850 430461735 469594620 516554082 533630250 573948980 586993275 652214750 717436225 782657700 860923470 978322125 1033108164 1067260500 1173986550 1291385205 1304429500 1434872450 1721846940 1956644250 2152308675 2347973100 2582770410 2869744900 2934966375 3587181125 3913288500 4304617350 5165540820 5869932750 6456926025 7174362250 8609234700 10761543375 11739865500 12913852050 14348724500 21523086750 25827704100 32284630125 43046173500 64569260250 129138520500
- Sum of all divisors σ(n): 448712576676
- Sum of proper divisors (its aliquot sum) s(n): 319574056176
- 129138520500 is an abundant number, because the sum of its proper divisors (319574056176) is greater than itself. Its abundance is 190435535676
Bases of 129138520500
- Binary: 11110000100010100000101110001101101002
- Hexadecimal: 0x1E114171B4
- Base-36: 1NBPQO50
Squares and roots of 129138520500
- 129138520500 squared (1291385205002) is 16676757476928920250000
- 129138520500 cubed (1291385205003) is 2153611787307913644747490125000000
-
The
square root of 129138520500 is 359358.4846639913 -
The
cube root of 129138520500 is 5054.5822605307
Scales and comparisons
How big is 129138520500?- 129,138,520,500 seconds is equal to 4,106 years, 10 weeks, 4 days, 19 hours, 15 minutes.
-
To count from 1 to 129,138,520,500 would take you about eight thousand, two hundred twelve 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 129138520500 cubic inches would be around 421.2 feet tall.
Recreational maths with 129138520500
- 129138520500 backwards is 005025831921
- 129138520500 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129138520500's digits is 36
- More coming soon!
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