820411121920

Names of 820411121920

• Cardinal: 820411121920 can be written as Eight hundred twenty billion, four hundred eleven million, one hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.2041112192 × 10¹¹

Factors of 820411121920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 168

Divisors of 820411121920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 80 85 104 128 130 131 136 160 169 170 208 221 256 260 262 272 320 338 340 416 442 520 524 544 640 655 676 680 832 845 884 1040 1048 1088 1105 1280 1310 1352 1360 1664 1690 1703 1768 2080 2096 2176 2197 2210 2227 2620 2704 2720 2873 3328 3380 3406 3536 4160 4192 4352 4394 4420 4454 5240 5408 5440 5746 6760 6812 7072 8320 8384 8515 8788 8840 8908 10480 10816 10880 10985 11135 11492 13520 13624 14144 14365 16640 16768 17030 17161 17576 17680 17816 20960 21632 21760 21970 22139 22270 22984 27040 27248 28288 28730 28951 33536 34060 34322 35152 35360 35632 37349 41920 43264 43940 44278 44540 45968 54080 54496 56576 57460 57902 68120 68644 70304 70720 71264 74698 83840 85805 87880 88556 89080 91936 108160 108992 110695 114920 115804 136240 137288 140608 141440 142528 144755 149396 167680 171610 175760 177112 178160 183872 186745 216320 217984 221390 223093 229840 231608 272480 274576 281216 282880 285056 287807 289510 291737 298792 343220 351520 354224 356320 367744 373490 376363 435968 442780 446186 459680 463216 544960 549152 562432 570112 575614 579020 583474 597584 686440 703040 708448 712640 735488 746980 752726 885560 892372 919360 926432 1089920 1098304 1115465 1151228 1158040 1166948 1195168 1372880 1406080 1416896 1425280 1439035 1458685 1493960 1505452 1771120 1784744 1838720 1852864 1881815 2179840 2196608 2230930 2302456 2316080 2333896 2390336 2745760 2812160 2833792 2850560 2878070 2900209 2917370 2987920 3010904 3542240 3569488 3677440 3705728 3763630 3792581 4393216 4461860 4604912 4632160 4667792 4780672 4892719 5491520 5667584 5756140 5800418 5834740 5975840 6021808 7084480 7138976 7411456 7527260 7585162 8923720 9209824 9264320 9335584 9561344 9785438 10983040 11512280 11600836 11669480 11951680 12043616 14168960 14277952 14501045 15054520 15170324 17847440 18419648 18528640 18671168 18962905 19570876 21966080 23024560 23201672 23338960 23903360 24087232 24463595 28337920 28555904 29002090 30109040 30340648 35694880 36839296 37057280 37342336 37702717 37925810 39141752 46049120 46403344 46677920 47806720 48174464 48927190 49303553 57111808 58004180 60218080 60681296 71389760 73678592 74684672 75405434 75851620 78283504 92098240 92806688 93355840 96348928 97854380 98607106 116008360 120436160 121362592 142779520 150810868 151703240 156567008 184196480 185613376 186711680 188513585 195708760 197214212 232016720 240872320 242725184 246517765 285559040 301621736 303406480 313134016 368392960 371226752 373423360 377027170 391417520 394428424 464033440 481744640 485450368 493035530 603243472 606812960 626268032 640946189 742453504 754054340 782835040 788856848 928066880 970900736 986071060 1206486944 1213625920 1252536064 1281892378 1508108680 1565670080 1577713696 1856133760 1972142120 2412973888 2427251840 2563784756 3016217360 3131340160 3155427392 3204730945 3712267520 3944284240 4825947776 4854503680 5127569512 6032434720 6262680320 6310854784 6409461890 7888568480 9651895552 10255139024 12064869440 12621709568 12818923780 15777136960 20510278048 24129738880 25637847560 31554273920 41020556096 48259477760 51275695120 63108547840 82041112192 102551390240 164082224384 205102780480 410205560960 820411121920
• Sum of all divisors σ(n): 2271391279920
• Sum of proper divisors (its aliquot sum) s(n): 1450980158000
• 820411121920 is an abundant number, because the sum of its proper divisors (1450980158000) is greater than itself. Its abundance is 630569036080

Bases of 820411121920

• Binary: 1011111100000100010100000100000100000000₂
• Hexadecimal: 0xBF04504100
• Base-36: AGW3LL34

Squares and roots of 820411121920

• 820411121920 squared (820411121920²) is 673074408970033104486400
• 820411121920 cubed (820411121920³) is 552197730998745770911228009381888000
• The square root of 820411121920 is 905765.4894728547
• The cube root of 820411121920 is 9361.4656141195

Scales and comparisons

• 820,411,121,920 seconds is equal to 26,086 years, 27 weeks, 6 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 820,411,121,920 would take you about fifty-two thousand, one hundred seventy-three 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 820411121920 cubic inches would be around 780.1 feet tall.

Recreational maths with 820411121920

• 820411121920 backwards is 029121114028
• The number of decimal digits it has is: 12
• The sum of 820411121920's digits is 31
• More coming soon!