30805713855

Names of 30805713855

• Cardinal: 30805713855 can be written as Thirty billion, eight hundred five million, seven hundred thirteen thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 3.0805713855 × 10¹⁰

Factors of 30805713855

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 171

Divisors of 30805713855

• Number of divisors d(n): 448
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 29 31 35 45 51 63 79 81 85 87 93 105 119 135 145 153 155 189 203 217 237 243 255 261 279 315 357 395 405 435 459 465 493 527 553 567 595 609 651 711 729 765 783 837 899 945 1015 1071 1085 1185 1215 1305 1343 1377 1395 1479 1581 1659 1701 1785 1827 1953 2133 2291 2295 2349 2449 2465 2511 2635 2697 2765 2835 3045 3213 3255 3451 3555 3645 3689 3915 4029 4131 4185 4437 4495 4743 4977 5103 5355 5481 5859 6293 6399 6715 6873 6885 7047 7347 7395 7533 7905 8091 8295 8505 9135 9401 9639 9765 10353 10665 11067 11455 11745 12087 12245 12393 12555 13311 13485 14229 14931 15283 16037 16065 16443 17143 17255 17577 18445 18879 19197 20145 20619 20655 21141 22041 22185 22599 23715 24273 24885 25515 27405 28203 28917 29295 31059 31465 31995 33201 34365 35235 36261 36735 37665 38947 39933 40455 41633 42687 44793 45849 47005 48111 48195 49329 51429 51765 52731 55335 56637 57591 60435 61857 61965 66123 66555 71021 71145 72819 74655 76415 80185 82215 84609 85715 86751 87885 93177 94395 95985 99603 103095 105705 106981 108783 110205 112995 116841 119799 121365 124899 128061 134379 137547 141015 144333 144585 147987 154287 155295 158193 166005 169911 181305 185571 194735 198369 199665 208165 213063 213435 218457 223965 229245 240555 246645 253827 257145 263655 272629 279531 283185 287955 291431 298809 309285 320943 326349 330615 350523 355105 359397 364095 374697 384183 403137 412641 423045 432999 433755 462861 465885 497147 498015 509733 534905 543915 556713 584205 595107 598995 624495 639189 640305 655371 671895 687735 721665 739935 761481 771435 790965 817887 838593 849555 874293 896427 927855 962829 979047 991845 1051569 1065315 1092285 1124091 1207357 1237923 1269135 1298997 1363145 1388583 1397655 1457155 1491441 1494045 1529199 1604715 1631745 1670139 1752615 1785321 1796985 1873485 1917567 1920915 2015685 2063205 2164995 2284443 2314305 2453661 2485735 2515779 2548665 2622879 2689281 2783565 2888487 2975535 3154707 3195945 3276855 3372273 3622071 3713769 3807405 3896991 4089435 4165749 4192965 4371465 4474323 4482135 4587597 4814145 4895235 5257845 5620455 5752701 6036785 6189615 6494985 6853329 6942915 7360983 7457205 7645995 7868637 8350695 8451499 8665461 8926605 9464121 9587835 10116819 10866213 11141307 11422215 11690973 12268305 12497247 12578895 13114395 13422969 13446405 14442435 15773535 16861365 17258103 18110355 18568845 19484955 20828745 22082949 22371615 22937985 23605911 25354497 25996383 28392363 28763505 30350457 32598639 34266645 36804915 39343185 40268907 42257495 43327305 47320605 50584095 51774309 54331065 55706535 58454865 62486235 66248847 67114845 70817733 76063491 77989149 86290515 97795917 110414745 118029555 120806721 126772485 129981915 141961815 151752285 162993195 198746541 201344535 212453199 228190473 258871545 293387751 331244235 354088665 362420163 380317455 389945745 488979585 604033605 684571419 880163253 993732705 1062265995 1140952365 1466938755 1812100815 2053714257 3422857095 4400816265 6161142771 10268571285 30805713855
• Sum of all divisors σ(n): 72526233600
• Sum of proper divisors (its aliquot sum) s(n): 41720519745
• 30805713855 is an abundant number, because the sum of its proper divisors (41720519745) is greater than itself. Its abundance is 10914805890

Bases of 30805713855

• Binary: 11100101100001010011110001110111111₂
• Hexadecimal: 0x72C29E3BF
• Base-36: E5GXCXR

Squares and roots of 30805713855

• 30805713855 squared (30805713855²) is 948992006116138961025
• 30805713855 cubed (30805713855³) is 29234376191096186730753147501375
• The square root of 30805713855 is 175515.5658481607
• The cube root of 30805713855 is 3134.8042413421

Scales and comparisons

• 30,805,713,855 seconds is equal to 979 years, 27 weeks, 2 days, 14 hours, 44 minutes, 15 seconds.
• To count from 1 to 30,805,713,855 would take you about one thousand, nine hundred fifty-nine 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 30805713855 cubic inches would be around 261.2 feet tall.

Recreational maths with 30805713855

• 30805713855 backwards is 55831750803
• 30805713855 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30805713855's digits is 45
• More coming soon!