90015972438168

Names of 90015972438168

• Cardinal: 90015972438168 can be written as Ninety trillion, fifteen billion, nine hundred seventy-two million, four hundred thirty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 9.0015972438168 × 10¹³

Factors of 90015972438168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 649927

Divisors of 90015972438168

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 56 58 63 72 84 87 116 126 168 174 203 232 252 261 348 406 504 522 609 696 812 1044 1218 1624 1827 2088 2436 3654 4872 7308 9619 14616 19238 28857 38476 57714 67333 76952 86571 115428 134666 173142 201999 230856 269332 278951 346284 403998 538664 557902 605997 640267 692568 807996 836853 1115804 1211994 1280534 1615992 1673706 1920801 1952657 2231608 2423988 2510559 2561068 3347412 3841602 3905314 4481869 4847976 5021118 5122136 5762403 5857971 6694824 7683204 7810628 8963738 10042236 11524806 11715942 13445607 15366408 15621256 17573913 17927476 18567743 20084472 23049612 23431884 26891214 35147826 35854952 37135486 40336821 46099224 46863768 53782428 55703229 70295652 74270972 80673642 107564856 111406458 129974201 140591304 148541944 161347284 167109687 222812916 259948402 322694568 334219374 389922603 445625832 519896804 668438748 779845206 1039793608 1169767809 1336877496 1559690412 2339535618 3119380824 4679071236 6158728273 9358142472 12317456546 18476184819 24634913092 36952369638 43111097911 49269826184 55428554457 73904739276 86222195822 110857108914 129333293733 147809478552 172444391644 178603119917 221714217828 258666587466 344888783288 357206239834 387999881199 443428435656 517333174932 535809359751 714412479668 775999762398 1034666349864 1071618719502 1250221839419 1428824959336 1551999524796 1607428079253 2143237439004 2500443678838 3103999049592 3214856158506 3750665518257 4286474878008 5000887357676 6429712317012 7501331036514 10001774715352 11251996554771 12859424634024 15002662073028 22503993109542 30005324146056 45007986219084 90015972438168
• Sum of all divisors σ(n): 288258897888000
• Sum of proper divisors (its aliquot sum) s(n): 198242925449832
• 90015972438168 is an abundant number, because the sum of its proper divisors (198242925449832) is greater than itself. Its abundance is 108226953011664

Bases of 90015972438168

• Binary: 10100011101111001111010000011111011000010011000₂
• Hexadecimal: 0x51DE7A0FB098
• Base-36: VWORLUGM0

Squares and roots of 90015972438168

• 90015972438168 squared (90015972438168²) is 8102875293989021030583196224
• 90015972438168 cubed (90015972438168³) is 729388199133628147212969501898667651077632
• The square root of 90015972438168 is 9487674.7645652357
• The cube root of 90015972438168 is 44816.6983813579

Scales and comparisons

• 90,015,972,438,168 seconds is equal to 2,862,229 years, 25 weeks, 1 day, 20 hours, 22 minutes, 48 seconds.
• To count from 1 to 90,015,972,438,168 would take you about seven million, one hundred fifty-five thousand, five hundred seventy-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 90015972438168 cubic inches would be around 3734.7 feet tall.

Recreational maths with 90015972438168

• 90015972438168 backwards is 86183427951009
• 90015972438168 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 90015972438168's digits is 63
• More coming soon!