198731370420

Names of 198731370420

• Cardinal: 198731370420 can be written as One hundred ninety-eight billion, seven hundred thirty-one million, three hundred seventy thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.9873137042 × 10¹¹

Factors of 198731370420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1127

Divisors of 198731370420

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 73 90 99 110 121 132 146 165 180 198 219 220 242 292 330 363 365 396 438 484 495 605 657 660 726 730 803 876 990 1033 1089 1095 1210 1314 1331 1452 1460 1606 1815 1980 2066 2178 2190 2409 2420 2628 2662 3099 3212 3285 3630 3993 4015 4132 4356 4380 4818 5165 5324 5445 6198 6570 6655 7227 7260 7986 8030 8833 9297 9636 10330 10890 11363 11979 12045 12396 13140 13310 14454 14641 15495 15972 16060 17666 18594 19965 20660 21780 22726 23958 24090 26499 26620 28908 29282 30990 34089 35332 36135 37188 39930 43923 44165 45452 46485 47916 48180 52998 56815 58564 59895 61980 68178 72270 73205 75409 79497 79860 87846 88330 92970 97163 102267 105996 113630 119790 124993 131769 132495 136356 144540 146410 150818 158994 170445 175692 176660 185940 194326 204534 219615 226227 227260 239580 249986 263538 264990 291489 292820 301636 317988 340890 374979 377045 388652 397485 409068 439230 452454 485815 499972 511335 527076 529980 582978 624965 658845 678681 681780 749958 754090 794970 829499 874467 878460 904908 971630 1022670 1068793 1124937 1131135 1165956 1249930 1317690 1357362 1374923 1457445 1499916 1508180 1589940 1658998 1748934 1874895 1943260 2045340 2137586 2249874 2262270 2488497 2499860 2635380 2714724 2749846 2914890 3206379 3317996 3393405 3497868 3749790 4124769 4147495 4275172 4372335 4499748 4524540 4976994 5343965 5499692 5624685 5829780 6412758 6786810 6874615 7465491 7499580 8249538 8294990 8744670 9124489 9619137 9953988 10687930 11249370 12374307 12442485 12825516 13573620 13749230 14930982 15124153 16031895 16499076 16589980 17489340 18248978 19238274 20623845 21375860 22498740 24748614 24884970 27373467 27498460 29861964 30248306 32063790 36497956 37327455 38476548 41247690 45372459 45622445 48095685 49497228 49769940 54746934 60496612 61871535 64127580 74654910 75620765 82120401 82495380 90744918 91244890 96191370 100369379 109493868 123743070 136117377 136867335 149309820 151241530 164240802 181489836 182489780 192382740 200738758 226862295 247486140 272234754 273734670 301108137 302483060 328481604 401477516 410602005 453724590 501846895 544469508 547469340 602216274 680586885 821204010 903324411 907449180 1003693790 1104063169 1204432548 1361173770 1505540685 1642408020 1806648822 2007387580 2208126338 2722347540 3011081370 3312189507 3613297644 4416252676 4516622055 5520315845 6022162740 6624379014 9033244110 9936568521 11040631690 13248758028 16560947535 18066488220 19873137042 22081263380 33121895070 39746274084 49682842605 66243790140 99365685210 198731370420
• Sum of all divisors σ(n): 672830438280
• Sum of proper divisors (its aliquot sum) s(n): 474099067860
• 198731370420 is an abundant number, because the sum of its proper divisors (474099067860) is greater than itself. Its abundance is 275367697440

Bases of 198731370420

• Binary: 10111001000101010100000000111110110100₂
• Hexadecimal: 0x2E45500FB4
• Base-36: 2JANIYT0

Squares and roots of 198731370420

• 198731370420 squared (198731370420²) is 39494157589011250976400
• 198731370420 cubed (198731370420³) is 7848728061247649039338535078088000
• The square root of 198731370420 is 445792.9681141235
• The cube root of 198731370420 is 5835.6442549433

Scales and comparisons

• 198,731,370,420 seconds is equal to 6,319 years, 2 weeks, 1 day, 14 hours, 27 minutes.
• To count from 1 to 198,731,370,420 would take you about twelve thousand, six hundred thirty-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 198731370420 cubic inches would be around 486.3 feet tall.

Recreational maths with 198731370420

• 198731370420 backwards is 024073137891
• 198731370420 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 198731370420's digits is 45
• More coming soon!