813162608640

Names of 813162608640

• Cardinal: 813162608640 can be written as Eight hundred thirteen billion, one hundred sixty-two million, six hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.1316260864 × 10¹¹

Factors of 813162608640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 814

Divisors of 813162608640

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 113 120 128 144 160 180 192 226 240 256 288 320 339 360 384 452 480 512 565 576 640 678 691 720 768 904 960 1017 1024 1130 1152 1280 1356 1382 1440 1536 1695 1808 1920 2034 2048 2073 2260 2304 2560 2712 2764 2880 3072 3390 3455 3616 3840 4068 4146 4520 4608 5085 5120 5424 5528 5760 6144 6219 6780 6910 7232 7680 8136 8292 9040 9216 10170 10240 10365 10848 11056 11520 12438 12769 13560 13820 14464 15360 16272 16584 18080 18432 20340 20730 21696 22112 23040 24876 25538 27120 27640 28928 30720 31095 32544 33168 36160 38307 40680 41460 43392 44224 46080 49752 51076 54240 55280 57856 62190 63845 65088 66336 72320 76614 78083 81360 82920 86784 88448 92160 99504 102152 108480 110560 114921 115712 124380 127690 130176 132672 144640 153228 156166 162720 165840 173568 176896 191535 199008 204304 216960 221120 229842 231424 234249 248760 255380 260352 265344 289280 306456 312332 325440 331680 347136 353792 383070 390415 398016 408608 433920 442240 459684 468498 497520 510760 520704 530688 574605 578560 612912 624664 650880 663360 694272 702747 707584 766140 780830 796032 817216 867840 884480 919368 936996 995040 1021520 1041408 1061376 1149210 1157120 1171245 1225824 1249328 1301760 1326720 1405494 1415168 1532280 1561660 1592064 1634432 1735680 1768960 1838736 1873992 1990080 2043040 2082816 2122752 2298420 2342490 2451648 2498656 2603520 2653440 2810988 3064560 3123320 3184128 3268864 3471360 3513735 3537920 3677472 3747984 3980160 4086080 4245504 4596840 4684980 4903296 4997312 5207040 5306880 5621976 6129120 6246640 6368256 6537728 7027470 7075840 7354944 7495968 7960320 8172160 8823379 9193680 9369960 9806592 9994624 10414080 10613760 11243952 12258240 12493280 12736512 13075456 14054940 14709888 14991936 15920640 16344320 17646758 18387360 18739920 19613184 19989248 21227520 22487904 24516480 24986560 26150912 26470137 28109880 29419776 29983872 31841280 32688640 35293516 36774720 37479840 39226368 39978496 44116895 44975808 49032960 49973120 52940274 56219760 58839552 59967744 63682560 65377280 70587032 73549440 74959680 78452736 79410411 79956992 88233790 89951616 98065920 99946240 105880548 112439520 117679104 119935488 130754560 132350685 141174064 147098880 149919360 158820822 159913984 176467580 179903232 196131840 199892480 211761096 224879040 235358208 239870976 264701370 282348128 294197760 299838720 317641644 352935160 359806464 392263680 397052055 399784960 423522192 449758080 479741952 529402740 564696256 588395520 599677440 635283288 705870320 719612928 794104110 799569920 847044384 899516160 1058805480 1129392512 1176791040 1199354880 1270566576 1411740640 1439225856 1588208220 1694088768 1799032320 2117610960 2258785024 2398709760 2541133152 2823481280 3176416440 3388177536 3598064640 4235221920 4517570048 5082266304 5646962560 6352832880 6776355072 7196129280 8470443840 9035140096 10164532608 11293925120 12705665760 13552710144 16940887680 18070280192 20329065216 22587850240 25411331520 27105420288 33881775360 40658130432 45175700480 50822663040 54210840576 67763550720 81316260864 90351400960 101645326080 135527101440 162632521728 203290652160 271054202880 406581304320 813162608640
• Sum of all divisors σ(n): 2847551648760
• Sum of proper divisors (its aliquot sum) s(n): 2034389040120
• 813162608640 is an abundant number, because the sum of its proper divisors (2034389040120) is greater than itself. Its abundance is 1221226431480

Bases of 813162608640

• Binary: 1011110101010100010001001011100000000000₂
• Hexadecimal: 0xBD5444B800
• Base-36: ADK80SG0

Squares and roots of 813162608640

• 813162608640 squared (813162608640²) is 661233428090209802649600
• 813162608640 cubed (813162608640³) is 537690299305804856367448319852544000
• The square root of 813162608640 is 901755.2931034007
• The cube root of 813162608640 is 9333.8138121807

Scales and comparisons

• 813,162,608,640 seconds is equal to 25,856 years, 2 weeks, 6 days, 6 hours, 24 minutes.
• To count from 1 to 813,162,608,640 would take you about fifty-one thousand, seven 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 813162608640 cubic inches would be around 777.8 feet tall.

Recreational maths with 813162608640

• 813162608640 backwards is 046806261318
• 813162608640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813162608640's digits is 45
• More coming soon!