1990397239740

Names of 1990397239740

• Cardinal: 1990397239740 can be written as One trillion, nine hundred ninety billion, three hundred ninety-seven million, two hundred thirty-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.99039723974 × 10¹²

Factors of 1990397239740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 161

Divisors of 1990397239740

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 19 20 21 26 28 30 35 36 38 39 41 42 45 52 57 60 63 65 70 71 76 78 82 84 90 91 95 105 114 117 123 126 130 133 140 142 156 164 169 171 180 182 190 195 205 210 213 228 234 246 247 252 260 266 273 284 285 287 315 338 342 355 364 369 380 390 399 410 420 426 455 468 492 494 497 507 532 533 546 570 574 585 615 630 639 665 676 684 710 738 741 779 780 798 819 820 845 852 855 861 910 923 988 994 1014 1065 1066 1092 1140 1148 1170 1183 1197 1230 1235 1260 1278 1330 1349 1365 1420 1435 1476 1482 1491 1521 1558 1596 1599 1638 1690 1710 1722 1729 1820 1845 1846 1988 1995 2028 2130 2132 2197 2223 2337 2340 2366 2394 2460 2470 2485 2535 2556 2583 2660 2665 2698 2730 2769 2870 2911 2964 2982 3042 3116 3195 3198 3211 3276 3380 3420 3444 3458 3549 3690 3692 3705 3731 3895 3990 4047 4095 4260 4305 4394 4446 4473 4615 4674 4732 4788 4797 4940 4970 5070 5166 5187 5330 5396 5453 5460 5538 5740 5822 5915 5964 5985 6084 6390 6396 6422 6461 6591 6745 6916 6929 7011 7098 7380 7410 7455 7462 7605 7790 7980 7995 8094 8190 8307 8610 8645 8733 8788 8892 8946 9230 9348 9443 9594 9633 9940 10127 10140 10332 10374 10647 10660 10906 10985 11076 11115 11193 11644 11685 11830 11970 11999 12141 12780 12844 12915 12922 13182 13490 13845 13858 14022 14196 14555 14820 14910 14924 15210 15379 15561 15580 15990 16055 16188 16359 16380 16614 17220 17290 17466 17537 17745 17892 18460 18655 18886 19188 19266 19383 19773 20235 20254 20377 20748 20787 21294 21812 21970 22230 22365 22386 22477 23370 23660 23940 23985 23998 24282 25830 25844 25935 26199 26364 26980 27265 27690 27716 28044 28329 28561 28899 29110 29820 30381 30420 30758 31122 31980 32110 32305 32718 32955 33228 33579 34580 34645 34932 35055 35074 35490 35997 37310 37772 37843 38532 38766 39546 40470 40508 40754 41535 41574 41743 42588 43665 43940 44460 44730 44772 44954 46137 46740 47215 47970 47996 48165 48503 48564 49077 50635 51660 51870 52398 52611 53235 54530 55309 55380 55965 56658 57122 57798 58149 58220 59995 60705 60762 61131 61516 62244 62361 64220 64610 65436 65910 67158 67431 69290 70110 70148 70889 70980 71994 74620 75686 76895 77532 77805 79092 80940 81508 81795 83070 83148 83486 83993 84987 85683 87330 87685 89460 89908 90077 91143 92274 94430 95940 96330 96915 97006 98154 98865 101270 101885 103740 103935 104796 105222 106470 107991 109060 110618 111930 112385 113316 113529 114244 115596 116298 119990 121410 121524 122262 122759 124722 125229 129220 130995 131651 131820 134316 134862 138411 138580 140220 141645 141778 142805 143988 144495 145509 151372 151905 153790 155610 155987 157833 163590 165927 166140 166972 167895 167986 169974 171366 174660 175370 179985 180154 182286 183393 184548 188860 189215 192660 193830 194012 196308 197730 199927 202293 202540 203770 207870 208715 210444 212667 212940 215982 221236 223860 224770 227058 227981 230685 232596 239980 242515 242820 244524 245385 245518 249444 250458 251979 257049 261990 263055 263302 264901 269724 270231 276545 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4029144210 4045522845 4252985555 4374499428 4672293990 4739041047 4854627414 4988464260 5103582666 5237887473 5394030460 5468124285 5606752788 5819874970 5888749230 6318721396 6935182020 6983849964 7008440985 7290832380 7482696390 7655373999 7898401745 8058288420 8091045690 8505971110 8729812455 9344587980 9478082094 9709254828 10207165332 10475774946 10936248570 11057762443 11639749940 11777498460 12136568535 12758956665 14016881970 14217123141 14965392780 15310747998 15796803490 16182091380 17011942220 17459624910 18956164188 20951549892 21872497140 22115524886 23695205235 24273137070 25517913330 26189437365 28033763940 28434246282 30621495996 31593606980 33173287329 34919249820 38276869995 44231049772 47390410470 48546274140 51035826660 52378874730 55288812215 56868492564 66346574658 71085615705 76553739990 94780820940 99519861987 104757749460 110577624430 132693149316 142171231410 153107479980 165866436645 199039723974 221155248860 284342462820 331732873290 398079447948 497599309935 663465746580 995198619870 1990397239740
• Sum of all divisors σ(n): 8173889418240
• Sum of proper divisors (its aliquot sum) s(n): 6183492178500
• 1990397239740 is an abundant number, because the sum of its proper divisors (6183492178500) is greater than itself. Its abundance is 4193094938760

Bases of 1990397239740

• Binary: 11100111101101100111010111010000110111100₂
• Hexadecimal: 0x1CF6CEBA1BC
• Base-36: PEDJ4JB0

Squares and roots of 1990397239740

• 1990397239740 squared (1990397239740²) is 3961681171964611035267600
• 1990397239740 cubed (1990397239740³) is 7885319269408290077559374832254424000
• The square root of 1990397239740 is 1410814.3888336269
• The cube root of 1990397239740 is 12579.0136070767

Scales and comparisons

• 1,990,397,239,740 seconds is equal to 63,288 years, 24 weeks, 5 days, 2 hours, 9 minutes.
• To count from 1 to 1,990,397,239,740 would take you about one hundred fifty-eight thousand, two hundred twenty-one 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 1990397239740 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990397239740

• 1990397239740 backwards is 0479327930991
• 1990397239740 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1990397239740's digits is 63
• More coming soon!