399981757968

Names of 399981757968

• Cardinal: 399981757968 can be written as Three hundred ninety-nine billion, nine hundred eighty-one million, seven hundred fifty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.99981757968 × 10¹¹

Factors of 399981757968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9664

Divisors of 399981757968

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 19 23 24 26 27 34 36 38 39 46 48 51 52 54 57 68 69 72 76 78 92 102 104 108 114 117 136 138 144 152 153 156 171 184 204 207 208 216 221 228 234 247 272 276 299 304 306 312 323 342 351 368 391 408 414 432 437 442 456 459 468 494 513 552 598 612 621 624 646 663 684 702 741 782 816 828 874 884 897 912 918 936 969 988 1026 1104 1173 1196 1224 1242 1292 1311 1326 1368 1404 1482 1564 1656 1748 1768 1794 1836 1872 1938 1976 1989 2052 2223 2346 2392 2448 2484 2584 2622 2652 2691 2736 2808 2907 2964 3128 3312 3496 3519 3536 3588 3672 3876 3933 3952 3978 4104 4199 4446 4692 4784 4968 5083 5168 5244 5304 5382 5616 5681 5814 5928 5967 6256 6669 6992 7038 7176 7344 7429 7752 7866 7956 8073 8208 8398 8721 8892 9384 9587 9936 10166 10488 10557 10608 10764 11362 11628 11799 11856 11934 12597 13338 14076 14352 14858 15249 15504 15732 15912 16146 16796 17043 17442 17784 18768 19174 20332 20976 21114 21528 22287 22724 23256 23598 23868 25194 26676 28152 28761 29716 30498 31464 31824 32292 33592 34086 34884 35568 37791 38348 40664 42228 43056 44574 45448 45747 46512 47196 47736 50388 51129 53352 56304 57522 59432 60996 62928 64584 66861 67184 68172 69768 75582 76696 81328 84456 86283 89148 90896 91494 94392 95472 96577 100776 102258 106704 113373 115044 118864 121992 124631 129168 133722 136344 137241 139536 151164 153387 153392 162979 168912 172566 178296 182153 182988 188784 193154 200583 201552 204516 220501 226746 230088 243984 249262 258849 267444 272688 274482 289731 302328 306774 325958 345132 356592 364306 365976 373893 386308 401166 409032 441002 453492 460176 488937 498524 517698 534888 546459 548964 579462 604656 613548 651916 661503 690264 728612 731952 747786 772616 802332 818064 869193 882004 906984 977874 997048 1035396 1069776 1092918 1097928 1121679 1158924 1227096 1303832 1323006 1380528 1457224 1466811 1495572 1545232 1604664 1639377 1738386 1764008 1813968 1955748 1984509 1994096 2070792 2118727 2185836 2195856 2243358 2317848 2367989 2454192 2607579 2607664 2646012 2866513 2914448 2933622 2991144 3096601 3209328 3278754 3365037 3476772 3528016 3748517 3911496 3969018 4141584 4189519 4237454 4371672 4400433 4486716 4635696 4735978 4918131 5215158 5292024 5733026 5867244 5953527 5982288 6193202 6356181 6557508 6730074 6953544 7103967 7497034 7822992 7938036 8379038 8474908 8599539 8743344 8800866 8973432 9289803 9471956 9836262 10430316 10584048 11245551 11466052 11734488 11907054 12386404 12568557 12712362 13115016 13460148 13907088 14207934 14994068 15876072 16758076 16949816 17199078 17601732 17946864 18579606 18943912 19068543 19672524 20860632 21311901 22491102 22932104 23468976 23814108 24772808 25137114 25424724 25798617 26230032 26920296 27869409 28415868 29988136 31752144 33516152 33736653 33899632 34398156 35203464 37159212 37705671 37887824 38137086 39345048 40255813 41721264 42623802 44982204 45864208 47628216 48730721 49545616 50274228 50849448 51597234 53840592 54463747 55738818 56831736 57205629 59976272 63935703 67032304 67473306 68796312 70406928 71221823 74318424 75411342 76274172 77395851 78690096 80511626 83608227 85247604 89964408 95256432 97461442 100548456 101209959 101698896 103194468 108927494 111477636 113117013 113663472 114411258 120767439 127871406 134946612 137592624 142443646 146192163 148636848 150822684 152548344 154791702 161023252 163391241 167216454 170495208 179928816 194922884 201096912 202419918 206388936 213665469 217854988 222955272 226234026 228822516 241534878 255742812 269893224 284887292 292384326 301645368 305096688 309583404 322046504 326782482 334432908 340990416 362302317 389845768 404839836 412777872 427330938 435709976 438576489 445910544 452468052 457645032 483069756 490173723 511485624 539786448 569774584 584768652 603290736 619166808 640996407 644093008 653564964 668865816 724604634 779691536 809679672 854661876 871419952 877152978 904936104 915290064 925883699 966139512 980347446 1022971248 1086906951 1139549168 1169537304 1238333616 1281992814 1307129928 1315729467 1337731632 1449209268 1470521169 1619359344 1709323752 1754305956 1809872208 1851767398 1922989221 1932279024 1960694892 2173813902 2339074608 2563985628 2614259856 2631458934 2777651097 2898418536 2941042338 3418647504 3508611912 3703534796 3845978442 3921389784 4347627804 5127971256 5262917868 5555302194 5796837072 5882084676 7017223824 7407069592 7691956884 7842779568 8332953291 8695255608 10255942512 10525835736 11110604388 11764169352 14814139184 15383913768 16665906582 17390511216 21051671472 22221208776 23528338704 24998859873 30767827536 33331813164 44442417552 49997719746 66663626328 99995439492 133327252656 199990878984 399981757968
• Sum of all divisors σ(n): 1438107955200
• Sum of proper divisors (its aliquot sum) s(n): 1038126197232
• 399981757968 is an abundant number, because the sum of its proper divisors (1038126197232) is greater than itself. Its abundance is 638144439264

Bases of 399981757968

• Binary: 101110100100000110001010100011000010000₂
• Hexadecimal: 0x5D20C54610
• Base-36: 53QYT7O0

Squares and roots of 399981757968

• 399981757968 squared (399981757968²) is 159985406707171731489024
• 399981757968 cubed (399981757968³) is 63991244223960007354254281816543232
• The square root of 399981757968 is 632441.1102766803
• The cube root of 399981757968 is 7367.9509885439

Scales and comparisons

• 399,981,757,968 seconds is equal to 12,718 years, 9 weeks, 3 days, 11 hours, 52 minutes, 48 seconds.
• To count from 1 to 399,981,757,968 would take you about twenty-five thousand, four hundred thirty-six 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 399981757968 cubic inches would be around 614 feet tall.

Recreational maths with 399981757968

• 399981757968 backwards is 869757189993
• The number of decimal digits it has is: 12
• The sum of 399981757968's digits is 81
• More coming soon!