30900780720

Names of 30900780720

• Cardinal: 30900780720 can be written as Thirty billion, nine hundred million, seven hundred eighty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.090078072 × 10¹⁰

Factors of 30900780720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1047

Divisors of 30900780720

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 36 38 40 45 48 54 57 60 72 76 80 81 90 95 108 114 120 135 144 152 162 171 180 190 216 228 240 270 285 304 324 342 360 380 405 419 432 456 513 540 570 599 648 684 720 760 810 838 855 912 1026 1080 1140 1198 1257 1296 1368 1520 1539 1620 1676 1710 1797 2052 2095 2160 2280 2396 2514 2565 2736 2995 3078 3240 3352 3420 3594 3771 4104 4190 4560 4792 5028 5130 5391 5990 6156 6285 6480 6704 6840 7188 7542 7695 7961 8208 8380 8985 9584 10056 10260 10782 11313 11381 11980 12312 12570 13680 14376 15084 15390 15922 16173 16760 17970 18855 20112 20520 21564 22626 22762 23883 23960 24624 25140 26955 28752 30168 30780 31844 32346 33520 33939 34143 35940 37710 39805 41040 43128 45252 45524 47766 47920 48519 50280 53910 56565 56905 60336 61560 63688 64692 67878 68286 71649 71880 75420 79610 80865 86256 90504 91048 95532 97038 100560 102429 107820 113130 113810 119415 123120 127376 129384 135756 136572 143298 143760 150840 159220 161730 169695 170715 181008 182096 191064 194076 204858 214947 215640 226260 227620 238830 242595 250981 258768 271512 273144 286596 301680 307287 318440 323460 339390 341430 358245 382128 388152 409716 429894 431280 452520 455240 477660 485190 501962 512145 543024 546288 573192 614574 636880 644841 646920 678780 682860 716490 752943 776304 819432 859788 905040 910480 921861 955320 970380 1003924 1024290 1074735 1146384 1229148 1254905 1289682 1293840 1357560 1365720 1432980 1505886 1536435 1638864 1719576 1843722 1910640 1940760 2007848 2048580 2149470 2258829 2458296 2509810 2579364 2715120 2731440 2865960 3011772 3072870 3224205 3439152 3687444 3764715 3881520 4015696 4097160 4298940 4517658 4609305 4768639 4916592 5019620 5158728 5731920 6023544 6145740 6448410 6776487 7374888 7529430 8194320 8597880 9035316 9218610 9537278 10039240 10317456 11294145 12047088 12291480 12896820 13552974 14305917 14749776 15058860 17195760 18070632 18437220 19074556 20078480 20329461 22588290 23843195 24582960 25793640 27105948 28611834 30117720 33882435 36141264 36874440 38149112 40658922 42917751 45176580 47686390 51587280 54211896 57223668 60235440 67764870 71529585 73748880 76298224 81317844 85835502 90353160 95372780 101647305 108423792 114447336 128753253 135529740 143059170 162635688 171671004 180706320 190745560 203294610 214588755 228894672 257506506 271059480 286118340 325271376 343342008 381491120 386259759 406589220 429177510 515013012 542118960 572236680 643766265 686684016 772519518 813178440 858355020 1030026024 1144473360 1287532530 1545039036 1626356880 1716710040 1931298795 2060052048 2575065060 3090078072 3433420080 3862597590 5150130120 6180156144 7725195180 10300260240 15450390360 30900780720
• Sum of all divisors σ(n): 113430240000
• Sum of proper divisors (its aliquot sum) s(n): 82529459280
• 30900780720 is an abundant number, because the sum of its proper divisors (82529459280) is greater than itself. Its abundance is 51628678560

Bases of 30900780720

• Binary: 11100110001110101000111111010110000₂
• Hexadecimal: 0x731D47EB0
• Base-36: E71IZ00

Squares and roots of 30900780720

• 30900780720 squared (30900780720²) is 954858249105523718400
• 30900780720 cubed (30900780720³) is 29505865374292924563037429248000
• The square root of 30900780720 is 175786.1789788947
• The cube root of 30900780720 is 3138.0256131629

Scales and comparisons

• 30,900,780,720 seconds is equal to 982 years, 28 weeks, 3 days, 22 hours, 12 minutes.
• To count from 1 to 30,900,780,720 would take you about one thousand, nine hundred sixty-five 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 30900780720 cubic inches would be around 261.5 feet tall.

Recreational maths with 30900780720

• 30900780720 backwards is 02708700903
• 30900780720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30900780720's digits is 36
• More coming soon!