3990372672

Names of 3990372672

• Cardinal: 3990372672 can be written as Three billion, nine hundred ninety million, three hundred seventy-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.990372672 × 10⁹

Factors of 3990372672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 212

Divisors of 3990372672

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 23 24 26 32 33 39 44 46 48 52 64 66 69 71 78 88 89 92 96 104 132 138 142 143 156 176 178 184 192 208 213 253 264 267 276 284 286 299 312 352 356 368 416 426 429 506 528 534 552 568 572 598 624 704 712 736 759 781 832 852 858 897 923 979 1012 1056 1068 1104 1136 1144 1157 1196 1248 1424 1472 1518 1562 1633 1704 1716 1794 1846 1958 2024 2047 2112 2136 2208 2272 2288 2314 2343 2392 2496 2769 2848 2937 3036 3124 3266 3289 3408 3432 3471 3588 3692 3916 4048 4094 4272 4416 4544 4576 4628 4686 4784 4899 5538 5696 5874 6072 6141 6248 6319 6532 6578 6816 6864 6942 7176 7384 7832 8096 8188 8544 9152 9256 9372 9568 9798 9867 10153 11076 11748 12144 12282 12496 12638 12727 13064 13156 13632 13728 13884 14352 14768 15664 16192 16376 17088 17963 18512 18744 18957 19136 19596 19734 20306 21229 22152 22517 23496 24288 24564 24992 25276 25454 26128 26312 26611 27456 27768 28704 29536 30459 31328 32752 35926 37024 37488 37914 38181 39192 39468 40612 42458 44304 45034 46992 48576 49128 49984 50552 50908 52256 52624 53222 53889 55536 57408 59072 60918 62656 63687 65504 67551 69509 71852 74048 74976 75828 76362 78384 78936 79833 81224 82147 84916 88608 90068 93984 98256 101104 101816 104512 105248 106444 107778 111072 121836 127374 131008 135102 139018 143704 145337 149952 151656 152724 156768 157872 159666 162448 164294 169832 177216 180136 187968 196512 202208 203632 208527 210496 212888 215556 222144 233519 243672 246441 254748 270204 278036 287408 290674 292721 303312 305448 313536 315744 319332 324896 328588 339664 360272 393024 404416 407264 417054 425776 431112 436011 467038 487344 492882 509496 540408 556072 574816 581348 585442 606624 610896 631488 638664 649792 657176 679328 700557 720544 814528 834108 851552 862224 872022 878163 903617 934076 974688 985764 1018992 1080816 1112144 1149632 1162696 1170884 1213248 1221792 1277328 1314352 1358656 1401114 1441088 1598707 1668216 1703104 1724448 1744044 1756326 1807234 1868152 1889381 1949376 1971528 2037984 2161632 2224288 2325392 2341768 2443584 2554656 2628704 2710851 2802228 3197414 3336432 3448896 3488088 3512652 3614468 3736304 3778762 3943056 4075968 4323264 4448576 4650784 4683536 4796121 5109312 5257408 5421702 5604456 5668143 6394828 6672864 6976176 7025304 7228936 7472608 7557524 7886112 9301568 9367072 9592242 10843404 11208912 11336286 12789656 13345728 13952352 14050608 14457872 14945216 15115048 15772224 18734144 19184484 20783191 21686808 22417824 22672572 25579312 27904704 28101216 28915744 30230096 38368968 41566382 43373616 44835648 45345144 51158624 56202432 57831488 60460192 62349573 76737936 83132764 86747232 90690288 102317248 120920384 124699146 153475872 166265528 173494464 181380576 249398292 306951744 332531056 362761152 498796584 665062112 997593168 1330124224 1995186336 3990372672
• Sum of all divisors σ(n): 13272698880
• Sum of proper divisors (its aliquot sum) s(n): 9282326208
• 3990372672 is an abundant number, because the sum of its proper divisors (9282326208) is greater than itself. Its abundance is 5291953536

Bases of 3990372672

• Binary: 11101101110110000100000101000000₂
• Hexadecimal: 0xEDD84140
• Base-36: 1TZRJ9C

Squares and roots of 3990372672

• 3990372672 squared (3990372672²) is 15923074061444419584
• 3990372672 cubed (3990372672³) is 63538999589019860754895208448
• The square root of 3990372672 is 63169.3966410951
• The cube root of 3990372672 is 1586.1264929879

Scales and comparisons

• 3,990,372,672 seconds is equal to 126 years, 45 weeks, 5 days, 20 hours, 51 minutes, 12 seconds.
• To count from 1 to 3,990,372,672 would take you about two hundred fifty-three 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 3990372672 cubic inches would be around 132.2 feet tall.

Recreational maths with 3990372672

• 3990372672 backwards is 2762730993
• 3990372672 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3990372672's digits is 48
• More coming soon!