81532828800

Names of 81532828800

• Cardinal: 81532828800 can be written as Eighty-one billion, five hundred thirty-two million, eight hundred twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 8.15328288 × 10¹⁰

Factors of 81532828800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 583

Divisors of 81532828800

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 25 27 30 32 36 40 45 46 48 50 54 60 64 69 72 75 80 89 90 92 96 100 108 115 120 128 135 138 144 150 160 178 180 184 192 200 207 216 225 230 240 267 270 276 288 300 320 345 356 360 368 384 400 414 432 445 450 460 461 480 534 540 552 575 576 600 621 640 675 690 712 720 736 800 801 828 864 890 900 920 922 960 1035 1068 1080 1104 1150 1152 1200 1242 1335 1350 1380 1383 1424 1440 1472 1600 1602 1656 1725 1728 1780 1800 1840 1844 1920 2047 2070 2136 2160 2208 2225 2300 2305 2400 2403 2484 2670 2700 2760 2766 2848 2880 2944 3105 3200 3204 3312 3450 3456 3560 3600 3680 3688 4005 4094 4140 4149 4272 4320 4416 4450 4600 4610 4800 4806 4968 5175 5340 5400 5520 5532 5696 5760 6141 6210 6408 6624 6675 6900 6915 7120 7200 7360 7376 8010 8188 8280 8298 8544 8640 8832 8900 9200 9220 9600 9612 9936 10235 10350 10603 10680 10800 11040 11064 11392 11525 12015 12282 12420 12447 12816 13248 13350 13800 13830 14240 14400 14720 14752 15525 16020 16376 16560 16596 17088 17280 17800 18400 18423 18440 19224 19872 20025 20470 20700 20745 21206 21360 21600 22080 22128 23050 24030 24564 24840 24894 25632 26496 26700 27600 27660 28480 28800 29504 30705 31050 31809 32040 32752 33120 33192 34176 34575 35600 36800 36846 36880 38448 39744 40050 40940 41029 41400 41490 42412 42720 43200 44160 44256 46100 48060 49128 49680 49788 51175 51264 53015 53400 55200 55269 55320 56960 59008 60075 61410 62100 62235 63618 64080 65504 66240 66384 69150 71200 73600 73692 73760 76896 79488 80100 81880 82058 82800 82980 84824 85440 86400 88512 92115 92200 95427 96120 98256 99360 99576 102350 102528 103725 106030 106800 110400 110538 110640 120150 122820 123087 124200 124470 127236 128160 131008 132480 132768 138300 142400 147384 147520 153525 153792 159045 160200 163760 164116 165600 165960 169648 170880 177024 184230 184400 190854 192240 196512 198720 199152 204700 205145 207450 212060 213600 220800 221076 221280 240300 245640 246174 248400 248940 254472 256320 262016 265075 265536 276345 276600 284800 286281 294768 295040 307050 307584 311175 318090 320400 327520 328232 331200 331920 339296 368460 368800 369261 381708 384480 393024 397440 398304 409400 410290 414900 424120 427200 442152 442560 460575 477135 480600 491280 492348 496800 497880 508944 512640 530150 531072 552690 553200 572562 589536 614100 615435 622350 636180 640800 655040 656464 662400 663840 678592 736920 737600 738522 763416 768960 786048 795225 796608 818800 820580 829800 848240 854400 884304 885120 921150 943667 954270 961200 982560 984696 993600 995760 1017888 1025725 1060300 1105380 1106400 1107783 1145124 1179072 1228200 1230870 1244700 1272360 1281600 1310080 1312928 1327680 1357184 1381725 1431405 1473840 1475200 1477044 1526832 1537920 1590450 1593216 1637600 1641160 1659600 1696480 1768608 1842300 1846305 1887334 1908540 1922400 1965120 1969392 1987200 1991520 2035776 2051450 2120600 2210760 2212800 2215566 2290248 2358144 2385675 2456400 2461740 2489400 2544720 2563200 2625856 2655360 2763450 2831001 2862810 2947680 2954088 3053664 3077175 3180900 3275200 3282320 3319200 3392960 3537216 3684600 3692610 3774668 3817080 3844800 3930240 3938784 3983040 4071552 4102900 4241200 4421520 4425600 4431132 4580496 4718335 4771350 4912800 4923480 4978800 5089440 5251712 5526900 5538915 5662002 5725620 5895360 5908176 6107328 6154350 6361800 6550400 6564640 6638400 6785920 7074432 7157025 7369200 7385220 7549336 7634160 7689600 7877568 7966080 8205800 8482400 8493003 8843040 8862264 9160992 9231525 9436670 9542700 9825600 9846960 9957600 10178880 11053800 11077830 11324004 11451240 11790720 11816352 12214656 12308700 12723600 13129280 13276800 14155005 14314050 14738400 14770440 15098672 15268320 15755136 16411600 16964800 16986006 17686080 17724528 18321984 18463050 18873340 19085400 19651200 19693920 19915200 20357760 22107600 22155660 22648008 22902480 23591675 23632704 24617400 25447200 25479009 26258560 27694575 28310010 28628100 29476800 29540880 30197344 30536640 32823200 33929600 33972012 35372160 35449056 36643968 36926100 37746680 38170800 39387840 39830400 42465015 44215200 44311320 45296016 45804960 47183350 47265408 49234800 50894400 50958018 55389150 56620020 57256200 58953600 59081760 60394688 61073280 65646400 67944024 70775025 70898112 73852200 75493360 76341600 78775680 84930030 88430400 88622640 90592032 91609920 94366700 98469600 101788800 101916036 110778300 113240040 114512400 118163520 120789376 127395045 131292800 135888048 141550050 141796224 147704400 150986720 152683200 169860060 176860800 177245280 181184064 183219840 188733400 196939200 203832072 212325075 221556600 226480080 229024800 236327040 254790090 271776096 283100100 295408800 301973440 305366400 339720120 354490560 362368128 377466800 393878400 407664144 424650150 443113200 452960160 458049600 509580180 543552192 566200200 590817600 603946880 636975225 679440240 708981120 754933600 815328288 849300300 886226400 905920320 916099200 1019160360 1087104384 1132400400 1181635200 1273950450 1358880480 1509867200 1630656576 1698600600 1772452800 1811840640 2038320720 2264800800 2547900900 2717760960 3019734400 3261313152 3397201200 3544905600 4076641440 4529601600 5095801800 5435521920 6794402400 8153282880 9059203200 10191603600 13588804800 16306565760 20383207200 27177609600 40766414400 81532828800
• Sum of all divisors σ(n): 315542304000
• Sum of proper divisors (its aliquot sum) s(n): 234009475200
• 81532828800 is an abundant number, because the sum of its proper divisors (234009475200) is greater than itself. Its abundance is 152476646400

Bases of 81532828800

• Binary: 1001011111011101111000011110010000000₂
• Hexadecimal: 0x12FBBC3C80
• Base-36: 11GEJHC0

Squares and roots of 81532828800

• 81532828800 squared (81532828800²) is 6647602172130109440000
• 81532828800 cubed (81532828800³) is 541997809830792344296783872000000
• The square root of 81532828800 is 285539.5398189189
• The cube root of 81532828800 is 4336.2152936585

Scales and comparisons

• 81,532,828,800 seconds is equal to 2,592 years, 25 weeks, 4 days.
• To count from 1 to 81,532,828,800 would take you about five thousand, one hundred eighty-four 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 81532828800 cubic inches would be around 361.4 feet tall.

Recreational maths with 81532828800

• 81532828800 backwards is 00882823518
• 81532828800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81532828800's digits is 45
• More coming soon!