189807801920

Names of 189807801920

• Cardinal: 189807801920 can be written as One hundred eighty-nine billion, eight hundred seven million, eight hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.8980780192 × 10¹¹

Factors of 189807801920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5150

Divisors of 189807801920

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 64 80 88 110 121 124 155 160 176 220 242 248 310 320 341 352 440 484 496 605 620 682 704 880 961 968 992 1210 1240 1364 1705 1760 1922 1936 1984 2420 2480 2728 3410 3520 3751 3844 3872 4805 4840 4960 5101 5456 6820 7502 7688 7744 9610 9680 9920 10202 10571 10912 13640 15004 15376 18755 19220 19360 20404 21142 21824 25505 27280 30008 30752 37510 38440 38720 40808 42284 51010 52855 54560 56111 60016 61504 75020 76880 81616 84568 102020 105710 109120 112222 116281 120032 150040 153760 158131 163232 169136 204040 211420 224444 232562 240064 280555 300080 307520 316262 326464 338272 408080 422840 448888 465124 561110 581405 600160 617221 632524 676544 790655 816160 845680 897776 930248 1122220 1162810 1200320 1234442 1265048 1581310 1632320 1691360 1739441 1795552 1860496 2244440 2325620 2468884 2530096 3086105 3162620 3382720 3478882 3591104 3720992 4488880 4651240 4902061 4937768 5060192 6172210 6325240 6957764 7441984 8697205 8977760 9302480 9804122 9875536 10120384 12344420 12650480 13915528 17394410 17955520 18604960 19133851 19608244 19751072 24510305 24688840 25300960 27831056 34788820 37209920 38267702 39216488 39502144 49020610 49377680 50601920 53922671 55662112 69577640 76535404 78432976 95669255 98041220 98755360 107845342 111324224 139155280 153070808 156865952 191338510 196082440 197510720 215690684 269613355 278310560 306141616 313731904 382677020 392164880 431381368 539226710 556621120 593149381 612283232 765354040 784329760 862762736 1078453420 1186298762 1224566464 1530708080 1568659520 1725525472 2156906840 2372597524 2965746905 3061416160 3451050944 4313813680 4745195048 5931493810 6122832320 8627627360 9490390096 11862987620 17255254720 18980780192 23725975240 37961560384 47451950480 94903900960 189807801920
• Sum of all divisors σ(n): 513447820956
• Sum of proper divisors (its aliquot sum) s(n): 323640019036
• 189807801920 is an abundant number, because the sum of its proper divisors (323640019036) is greater than itself. Its abundance is 133832217116

Bases of 189807801920

• Binary: 10110000110001011011010011011001000000₂
• Hexadecimal: 0x2C316D3640
• Base-36: 2F72NXA8

Squares and roots of 189807801920

• 189807801920 squared (189807801920²) is 36027001669701955686400
• 189807801920 cubed (189807801920³) is 6838205996694298070360828837888000
• The square root of 189807801920 is 435669.3722537769
• The cube root of 189807801920 is 5746.9579565587

Scales and comparisons

• 189,807,801,920 seconds is equal to 6,035 years, 15 weeks, 4 days, 13 hours, 25 minutes, 20 seconds.
• To count from 1 to 189,807,801,920 would take you about twelve thousand and seventy 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 189807801920 cubic inches would be around 478.9 feet tall.

Recreational maths with 189807801920

• 189807801920 backwards is 029108708981
• The number of decimal digits it has is: 12
• The sum of 189807801920's digits is 53
• More coming soon!