18683839872

Names of 18683839872

• Cardinal: 18683839872 can be written as Eighteen billion, six hundred eighty-three million, eight hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8683839872 × 10¹⁰

Factors of 18683839872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 102

Divisors of 18683839872

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 31 32 36 43 46 48 62 64 69 72 86 92 93 96 124 128 129 138 144 172 184 186 192 207 248 258 276 279 288 344 368 372 384 387 414 496 516 529 552 558 576 688 713 736 744 774 828 989 992 1032 1058 1104 1116 1152 1333 1376 1426 1472 1488 1548 1587 1656 1978 1984 2064 2116 2139 2208 2232 2666 2752 2852 2944 2967 2976 3096 3174 3312 3956 3968 3999 4128 4232 4278 4416 4464 4761 5332 5504 5704 5934 5952 6192 6348 6417 6624 7912 7998 8256 8464 8556 8832 8901 8928 9522 10664 11408 11868 11904 11997 12167 12384 12696 12834 13248 15824 15996 16399 16512 16928 17112 17802 17856 19044 21328 22747 22816 23736 23994 24334 24768 25392 25668 26496 30659 31648 31992 32798 33856 34224 35604 35712 36501 38088 42656 45494 45632 47472 47988 48668 49197 49536 50784 51336 61318 63296 63984 65596 67712 68241 68448 71208 73002 76176 85312 90988 91264 91977 94944 95976 97336 98394 101568 102672 109503 122636 126592 127968 131192 136482 136896 142416 146004 147591 152352 170624 181976 183954 189888 191952 194672 196788 203136 204723 205344 219006 245272 255936 262384 272964 273792 275931 284832 292008 295182 304704 363952 367908 377177 379776 383904 389344 393576 409446 410688 438012 490544 511872 523181 524768 545928 551862 569664 584016 590364 609408 705157 727904 735816 754354 767808 778688 787152 818892 821376 876024 981088 1046362 1049536 1091856 1103724 1131531 1139328 1168032 1180728 1410314 1455808 1471632 1508708 1535616 1557376 1569543 1574304 1637784 1752048 1962176 2092724 2099072 2115471 2183712 2207448 2263062 2336064 2361456 2820628 2911616 2943264 3017416 3139086 3148608 3275568 3394593 3504096 3924352 4185448 4230942 4367424 4414896 4526124 4672128 4708629 4722912 5641256 5886528 6034832 6278172 6297216 6346413 6551136 6789186 7008192 8370896 8461884 8734848 8829792 9052248 9417258 9445824 11282512 11773056 12069664 12556344 12692826 13102272 13578372 14016384 16218611 16741792 16923768 17659584 18104496 18834516 18891648 22565024 24139328 25112688 25385652 26204544 27156744 32437222 33483584 33847536 35319168 36208992 37669032 45130048 48278656 48655833 50225376 50771304 54313488 64874444 66967168 67695072 72417984 75338064 90260096 97311666 100450752 101542608 108626976 129748888 135390144 144835968 145967499 150676128 194623332 200901504 203085216 217253952 259497776 270780288 291934998 301352256 389246664 406170432 434507904 518995552 583869996 602704512 778493328 812340864 1037991104 1167739992 1556986656 2075982208 2335479984 3113973312 4670959968 6227946624 9341919936 18683839872
• Sum of all divisors σ(n): 59370854400
• Sum of proper divisors (its aliquot sum) s(n): 40687014528
• 18683839872 is an abundant number, because the sum of its proper divisors (40687014528) is greater than itself. Its abundance is 22003174656

Bases of 18683839872

• Binary: 10001011001101001001100010110000000₂
• Hexadecimal: 0x459A4C580
• Base-36: 8KZVJ40

Squares and roots of 18683839872

• 18683839872 squared (18683839872²) is 349085872362536976384
• 18683839872 cubed (18683839872³) is 6522264540799071198437701582848
• The square root of 18683839872 is 136688.8432608895
• The cube root of 18683839872 is 2653.5180460003

Scales and comparisons

• 18,683,839,872 seconds is equal to 594 years, 4 weeks, 4 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,683,839,872 would take you about one thousand, one hundred eighty-eight 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 18683839872 cubic inches would be around 221.1 feet tall.

Recreational maths with 18683839872

• 18683839872 backwards is 27893838681
• The number of decimal digits it has is: 11
• The sum of 18683839872's digits is 63
• More coming soon!