38681968640

Names of 38681968640

• Cardinal: 38681968640 can be written as Thirty-eight billion, six hundred eighty-one million, nine hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.868196864 × 10¹⁰

Factors of 38681968640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 62

Divisors of 38681968640

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 31 32 34 35 40 56 62 64 68 70 80 85 112 119 124 128 136 140 155 160 170 217 224 238 248 256 272 280 310 320 340 434 448 476 496 512 527 544 560 595 620 640 680 868 896 952 992 1024 1054 1085 1088 1120 1190 1240 1280 1360 1736 1792 1904 1984 2048 2108 2170 2176 2240 2380 2480 2560 2635 2720 3472 3584 3689 3808 3968 4096 4216 4340 4352 4480 4760 4960 5120 5270 5440 6944 7168 7378 7616 7936 8192 8432 8680 8704 8960 9520 9920 10240 10540 10880 13888 14336 14756 15232 15872 16384 16864 17360 17408 17920 18445 19040 19840 20480 21080 21760 27776 28672 29512 30464 31744 32768 33728 34720 34816 35840 36890 38080 39680 40960 42160 43520 55552 57344 59024 60928 63488 65536 67456 69440 69632 71680 73780 76160 79360 81920 84320 87040 111104 114688 118048 121856 126976 131072 134912 138880 139264 143360 147560 152320 158720 163840 168640 174080 222208 229376 236096 243712 253952 262144 269824 277760 278528 286720 295120 304640 317440 327680 337280 348160 444416 458752 472192 487424 507904 524288 539648 555520 557056 573440 590240 609280 634880 655360 674560 696320 888832 917504 944384 974848 1015808 1048576 1079296 1111040 1114112 1146880 1180480 1218560 1269760 1310720 1349120 1392640 1777664 1835008 1888768 1949696 2031616 2097152 2158592 2222080 2228224 2293760 2360960 2437120 2539520 2621440 2698240 2785280 3555328 3670016 3777536 3899392 4063232 4317184 4444160 4456448 4587520 4721920 4874240 5079040 5242880 5396480 5570560 7110656 7340032 7555072 7798784 8126464 8634368 8888320 8912896 9175040 9443840 9748480 10158080 10485760 10792960 11141120 14221312 14680064 15110144 15597568 16252928 17268736 17776640 17825792 18350080 18887680 19496960 20316160 21585920 22282240 28442624 30220288 31195136 32505856 34537472 35553280 35651584 36700160 37775360 38993920 40632320 43171840 44564480 56885248 60440576 62390272 65011712 69074944 71106560 73400320 75550720 77987840 81264640 86343680 89128960 113770496 120881152 124780544 138149888 142213120 151101440 155975680 162529280 172687360 178257920 227540992 241762304 249561088 276299776 284426240 302202880 311951360 325058560 345374720 455081984 483524608 552599552 568852480 604405760 623902720 690749440 967049216 1105199104 1137704960 1208811520 1247805440 1381498880 1934098432 2275409920 2417623040 2762997760 3868196864 4835246080 5525995520 7736393728 9670492160 19340984320 38681968640
• Sum of all divisors σ(n): 115964089344
• Sum of proper divisors (its aliquot sum) s(n): 77282120704
• 38681968640 is an abundant number, because the sum of its proper divisors (77282120704) is greater than itself. Its abundance is 38600152064

Bases of 38681968640

• Binary: 100100000001101000000000000000000000₂
• Hexadecimal: 0x901A00000
• Base-36: HRQ8U0W

Squares and roots of 38681968640

• 38681968640 squared (38681968640²) is 1496294697865943449600
• 38681968640 cubed (38681968640³) is 57879624579048699441440620544000
• The square root of 38681968640 is 196677.3211125269
• The cube root of 38681968640 is 3381.9682244715

Scales and comparisons

• 38,681,968,640 seconds is equal to 1,229 years, 50 weeks, 1 day, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 38,681,968,640 would take you about two thousand, four hundred fifty-nine 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 38681968640 cubic inches would be around 281.8 feet tall.

Recreational maths with 38681968640

• 38681968640 backwards is 04686918683
• The number of decimal digits it has is: 11
• The sum of 38681968640's digits is 59
• More coming soon!