390946740921

Names of 390946740921

• Cardinal: 390946740921 can be written as Three hundred ninety billion, nine hundred forty-six million, seven hundred forty thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 3.90946740921 × 10¹¹

Factors of 390946740921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 118

Divisors of 390946740921

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 9 11 17 19 27 31 33 37 51 57 93 99 111 121 153 171 187 209 279 289 297 323 333 341 361 363 407 459 513 527 561 589 627 629 703 837 867 969 999 1023 1083 1089 1147 1221 1581 1683 1767 1881 1887 2057 2109 2299 2601 2907 3069 3179 3249 3267 3441 3553 3663 3751 3971 4477 4743 5049 5301 5491 5643 5661 5797 6137 6171 6327 6479 6897 6919 7733 7803 8721 8959 9207 9537 9747 10013 10323 10659 10693 10989 11191 11253 11913 11951 12617 13357 13431 14229 15903 16473 16983 17391 18411 18513 18981 19437 19499 20691 20757 21793 23199 26877 28611 30039 30969 31977 32079 33573 33759 34969 35739 35853 37851 39083 40071 40293 43681 49419 52173 55233 55539 58311 58497 60401 62073 62271 63767 65379 67507 69597 71269 76109 80631 85063 85833 90117 95931 96237 98549 100719 101277 104329 104907 107217 107559 110143 113553 117249 117623 120213 120879 123101 131043 131461 138787 146927 148257 156519 165699 170221 174933 175491 181203 186813 190247 191301 196137 202521 203167 208791 213807 214489 227069 228327 239723 241893 255189 270351 288711 295647 302157 312987 314721 322677 330429 331483 340659 351747 352869 360639 369303 370481 393129 394383 414067 416361 440781 510663 526473 543609 570741 573903 588411 607563 609501 641421 643467 664411 681207 684981 719169 742577 765567 886941 938961 944163 991287 994449 1055241 1058607 1084039 1107909 1111443 1147619 1179387 1183149 1211573 1242201 1249083 1293853 1322343 1354111 1446071 1531989 1616197 1630827 1712223 1721709 1822689 1828503 1872431 1924263 1930401 1993233 2043621 2054943 2092717 2157507 2227731 2234837 2296701 2359379 2497759 2636953 2660823 2816883 2973861 2983347 3175821 3234199 3252117 3323727 3334329 3442857 3549447 3634719 3646313 3726603 3747249 3860173 3881559 3967029 4062333 4075291 4338213 4554737 4595967 4848591 5136669 5485509 5617293 5791203 5979699 6130863 6278151 6298177 6472521 6683193 6704511 7039139 7078137 7493277 7910859 8950041 9702597 9756351 10002987 10328571 10904157 10938939 11179809 11580519 11644677 12186999 12225873 12623809 13014639 13664211 14545773 16851879 17939097 18834453 18894531 20049579 20113533 20596741 21117417 21234411 22479831 23019887 23732577 24583207 27475349 29107791 29269053 30985713 32712471 32816817 34741557 34934031 35576189 36560997 36677619 37871427 39043917 40109443 40992633 42461903 43637319 44828201 50102107 50555637 56503359 56683593 60340599 61790223 63352251 63703233 67439493 69059661 69279947 71197731 73749621 77430529 82426047 87323373 98450451 104224671 106728567 110032857 113614281 119665363 120328329 122977899 127385709 134484603 150306321 170050779 185370669 190056753 207178983 207839841 221248863 232291587 247278141 320185701 340842843 358996089 360984987 382157127 391338079 403453809 450918963 467080933 556112007 621536949 623519523 663746589 696874761 741834423 762079417 851735819 960557103 1076988267 1082954961 1146471381 1174014237 1210361427 1316318993 1352756889 1401242799 1870558569 2090624283 2286238251 2555207457 3230964801 3522042711 3948956979 4203728397 6858714753 7665622371 10566128133 11846870937 12611185191 14479508923 20576144259 22996867113 35540612811 43438526769 130315580307 390946740921
• Sum of all divisors σ(n): 756673559040
• Sum of proper divisors (its aliquot sum) s(n): 365726818119
• 390946740921 is a deficient number, because the sum of its proper divisors (365726818119) is less than itself. Its deficiency is 25219922802

Bases of 390946740921

• Binary: 101101100000110001111011101101010111001₂
• Hexadecimal: 0x5B063DDAB9
• Base-36: 4ZLJLFW9

Squares and roots of 390946740921

• 390946740921 squared (390946740921²) is 152839354236751495928241
• 390946740921 cubed (390946740921³) is 59752047423328230775317220634249961
• The square root of 390946740921 is 625257.3397577993
• The cube root of 390946740921 is 7312.0507839023

Scales and comparisons

• 390,946,740,921 seconds is equal to 12,430 years, 46 weeks, 4 days, 12 hours, 55 minutes, 21 seconds.
• To count from 1 to 390,946,740,921 would take you about twenty-four thousand, eight hundred sixty-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 390946740921 cubic inches would be around 609.3 feet tall.

Recreational maths with 390946740921

• 390946740921 backwards is 129047649093
• The number of decimal digits it has is: 12
• The sum of 390946740921's digits is 54
• More coming soon!