145240390400
145,240,390,400 is an even composite number composed of five prime numbers multiplied together.
145240390400 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 145240390400:
28 × 52 × 72 × 271 × 1709
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 271 × 1709)See below for interesting mathematical facts about the number 145240390400 from the Numbermatics database.
Names of 145240390400
- Cardinal: 145240390400 can be written as One hundred forty-five billion, two hundred forty million, three hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.452403904 × 1011
Factors of 145240390400
Divisors of 145240390400
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 128 140 160 175 196 200 224 245 256 271 280 320 350 392 400 448 490 542 560 640 700 784 800 896 980 1084 1120 1225 1280 1355 1400 1568 1600 1709 1792 1897 1960 2168 2240 2450 2710 2800 3136 3200 3418 3794 3920 4336 4480 4900 5420 5600 6272 6400 6775 6836 7588 7840 8545 8672 8960 9485 9800 10840 11200 11963 12544 13279 13550 13672 15176 15680 17090 17344 18970 19600 21680 22400 23926 26558 27100 27344 30352 31360 34180 34688 37940 39200 42725 43360 44800 47425 47852 53116 54200 54688 59815 60704 62720 66395 68360 69376 75880 78400 83741 85450 86720 94850 95704 106232 108400 109376 119630 121408 132790 136720 151760 156800 167482 170900 173440 189700 191408 212464 216800 218752 239260 242816 265580 273440 299075 303520 313600 331975 334964 341800 346880 379400 382816 418705 424928 433600 437504 463139 478520 485632 531160 546880 598150 607040 663950 669928 683600 758800 765632 837410 849856 867200 926278 957040 1062320 1093760 1196300 1214080 1327900 1339856 1367200 1517600 1531264 1674820 1699712 1734400 1852556 1914080 2093525 2124640 2187520 2315695 2392600 2428160 2655800 2679712 2734400 3035200 3062528 3241973 3349640 3399424 3705112 3828160 4187050 4249280 4631390 4785200 5311600 5359424 5468800 6070400 6483946 6699280 7410224 7656320 8374100 8498560 9262780 9570400 10623200 10718848 10937600 11578475 12140800 12967892 13398560 14820448 15312640 16209865 16748200 16997120 18525560 19140800 21246400 21437696 22693811 23156950 25935784 26797120 29640896 32419730 33496400 37051120 38281600 42492800 45387622 46313900 51871568 53594240 59281792 64839460 66992800 74102240 76563200 81049325 84985600 90775244 92627800 103743136 107188480 113469055 118563584 129678920 133985600 148204480 162098650 181550488 185255600 207486272 226938110 259357840 267971200 296408960 324197300 363100976 370511200 414972544 453876220 518715680 535942400 567345275 592817920 648394600 726201952 741022400 829945088 907752440 1037431360 1134690550 1296789200 1452403904 1482044800 1815504880 2074862720 2269381100 2593578400 2904807808 2964089600 3631009760 4149725440 4538762200 5187156800 5809615616 7262019520 9077524400 10374313600 14524039040 18155048800 20748627200 29048078080 36310097600 72620195200 145240390400
- Sum of all divisors σ(n): 419974057440
- Sum of proper divisors (its aliquot sum) s(n): 274733667040
- 145240390400 is an abundant number, because the sum of its proper divisors (274733667040) is greater than itself. Its abundance is 129493276640
Bases of 145240390400
- Binary: 100001110100010000000001111011000000002
- Hexadecimal: 0x21D1007B00
- Base-36: 1UQ0DMGW
Squares and roots of 145240390400
- 145240390400 squared (1452403904002) is 21094771003544412160000
- 145240390400 cubed (1452403904003) is 3063812775953390205856907264000000
-
The
square root of 145240390400 is 381104.1726352521 -
The
cube root of 145240390400 is 5256.4895157565
Scales and comparisons
How big is 145240390400?- 145,240,390,400 seconds is equal to 4,618 years, 10 weeks, 1 day, 53 minutes, 20 seconds.
-
To count from 1 to 145,240,390,400 would take you about nine thousand, two hundred thirty-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 145240390400 cubic inches would be around 438 feet tall.
Recreational maths with 145240390400
- 145240390400 backwards is 004093042541
- 145240390400 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 145240390400's digits is 32
- More coming soon!
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