12890738432

Names of 12890738432

• Cardinal: 12890738432 can be written as Twelve billion, eight hundred ninety million, seven hundred thirty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.2890738432 × 10¹⁰

Factors of 12890738432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 401

Divisors of 12890738432

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 31 32 37 44 52 62 64 74 88 104 124 128 143 148 176 208 248 256 286 296 307 341 352 403 407 416 481 496 572 592 614 682 704 806 814 832 962 992 1144 1147 1184 1228 1364 1408 1612 1628 1664 1924 1984 2288 2294 2368 2456 2728 2816 3224 3256 3328 3377 3848 3968 3991 4433 4576 4588 4736 4912 5291 5456 6448 6512 6754 7696 7936 7982 8866 9152 9176 9472 9517 9824 10582 10912 11359 12617 12896 13024 13508 14911 15392 15964 17732 18304 18352 19034 19648 21164 21824 22718 25234 25792 26048 27016 29822 30784 31928 35464 36608 36704 38068 39296 42328 43648 43901 45436 50468 51584 52096 54032 59644 61568 63856 70928 73408 76136 78592 84656 87296 87802 90872 100936 103168 104192 104687 108064 119288 123136 123721 124949 127712 141856 146816 147667 152272 164021 169312 175604 181744 201872 209374 216128 238576 247442 249898 255424 283712 293632 295334 304544 328042 338624 351208 352129 363488 403744 418748 432256 477152 494884 499796 510848 567424 590668 609088 656084 677248 702416 704258 726976 807488 837496 864512 954304 989768 999592 1021696 1134848 1181336 1218176 1312168 1354496 1360931 1404832 1408516 1453952 1614976 1624337 1674992 1908608 1979536 1999184 2362672 2436352 2624336 2721862 2809664 2817032 2907904 3229952 3248674 3349984 3817216 3873419 3959072 3998368 4577677 4725344 5248672 5443724 5619328 5634064 6497348 6699968 7746838 7918144 7996736 9155354 9450688 10497344 10887448 11238656 11268128 12994696 13399936 15493676 15836288 15993472 18310708 18901376 20994688 21774896 22536256 25989392 26799872 30987352 31672576 31986944 36621416 37802752 41989376 43549792 45072512 50354447 51978784 61974704 73242832 87099584 90145024 100708894 103957568 123949408 146485664 174199168 201417788 207915136 247898816 292971328 348398336 402835576 415830272 495797632 585942656 805671152 991595264 1171885312 1611342304 3222684608 6445369216 12890738432
• Sum of all divisors σ(n): 32152479744
• Sum of proper divisors (its aliquot sum) s(n): 19261741312
• 12890738432 is an abundant number, because the sum of its proper divisors (19261741312) is greater than itself. Its abundance is 6371002880

Bases of 12890738432

• Binary: 1100000000010110010000111100000000₂
• Hexadecimal: 0x300590F00
• Base-36: 5X6T9FK

Squares and roots of 12890738432

• 12890738432 squared (12890738432²) is 166171137322241818624
• 12890738432 cubed (12890738432³) is 2142068666168972179733970157568
• The square root of 12890738432 is 113537.3878156443
• The cube root of 12890738432 is 2344.7286967055

Scales and comparisons

• 12,890,738,432 seconds is equal to 409 years, 46 weeks, 8 hours, 40 minutes, 32 seconds.
• To count from 1 to 12,890,738,432 would take you about eight hundred nineteen 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 12890738432 cubic inches would be around 195.4 feet tall.

Recreational maths with 12890738432

• 12890738432 backwards is 23483709821
• The number of decimal digits it has is: 11
• The sum of 12890738432's digits is 47
• More coming soon!